Single Seat Valves

Key benefits of Alfa Laval SSVs

• Exceptional valve hygiene and durability
• Superior cleanability with smooth, no-crevice inner valve body
• Extended seal life due to defined seal compression
• Static seal leak detection for enhanced product safety
• Double lip seal protection against microbial contamination
• Full vacuum capability to ensure process integrity
• Wide range of flow rates and customizable options
• High reliability, low total cost of ownership, and easy maintenance

How does a single seat valve work?

Key benefits of the 700 Series

• Coated springs provide long life, high-holding pressures
• Valve stem threads onto actuator stem, eliminating coupling
• All wetted parts feature 316L stainless steel
• A variety of ThinkTop automation options

How does the Alfa Laval Tri-Clover® 700 Series work?

The valve is remote-controlled by means of compressed air. It has few and simple moveable parts which results in a very reliable valve.

As an air-operated seat valve, it can be configured with either a short-stroke or long-stroke actuator. The 761 valve has a flexible sanitary design, allowing it to be used in a wide range of applications – as a stop valve with two or three ports or as divert valve with three to five ports.

Key benefits of the LKAP valve

• Handles small product flows and dosing
• Straightforward, compact design
• Easy to maintain due to few moving parts
• Easy to clean with hygienic surface finish

Proven shut-off valve

The Alfa Laval LKAP seat valve is a quality pneumatic shut-off valve that is based on reliable, proven technology. It is ideal to handle small flow rates of up to 9 m³/h and purpose-built for specialty applications, such as a CIP supply valve to Unique mixproof valves or dosing valves in mixing applications.

Clean simplicity

Like all other hygienic Alfa Laval valves, the LKAP features a simple, straightforward design with the fewest possible components and minimal moving parts. Smooth surfaces and sanitary finishes contribute to good hygiene and cleanability.

Shut-off valve range

The standard Alfa Laval LKAP valve is a normally closed (NC) valve with a two- or three-port valve body (LKAP-V and LKAP-T, respectively). Upon request, the LKAP valve is also available as a normally open (NO) valve.

For more information, please refer to Documentation.

Compliance with most hygienic standards

Alfa Laval LKAP valves meet most standards requested in the dairy, food and beverage, and personal care industries. Please refer to Documentation for more information.

How does the LKAP work?

Key benefits of the Unique SSSV

• Compact, fast-acting hygienic shutoff or changeover valve
• Low total cost of ownership
• Exceptional valve hygiene and cleanability
• Ideal for dosing and small flow rates
• Long-lasting, modular design

Safe and economical seat valve

The Alfa Laval Unique SSSV is perfect for handling dosing and small flow rates that require straightforward shutoff and changeover in hygienic applications. Its space-saving footprint, robust plug design and durable seal make the Unique SSSV ideal for processes that require easy-to-configure, easy-to-operate and easy-to-clean valves. Available with valve sensing and control unit.

Exceptional valve hygiene

Minimize the risk of contamination with the unmatched hygiene of the Alfa Laval Unique SSSV. To safeguard your processes, this small, food-grade single seat valve – like all valves in the Alfa Laval SSV range ­– has a weld-free body, easy-to-clean plug and double-acting lip seal. Engineered for the dairy, food and beverage and personal care industries, the Unique SSSV is EHEDG-certified, authorized to carry the 3-A symbol and provides full traceability in compliance with the EU Food Regulation 1935/2004.

Cost-effective SSSV valve

Reduce maintenance costs due to the straightforward, hygienic design of the Unique SSSV. Few moving parts and crevice-free surfaces prolong the intervals between Cleaning-in-Place (CIP). A single contact surface between the plug and the seat minimizes the risk of contamination.

Demand hygiene and safety for small flows

Discover how Alfa Laval Unique SSSV small single seat valves will help you raise the standards of hygiene, process safety and durability while lowering the total cost of ownership.

Extend valve service life

Get more uptime due to the high sealing quality and significantly reduced wear of plug, seat and seal on the Alfa Laval Unique SSSV.

How does the Unique SSSV work?

Key benefits of the Unique SSV

• Few moving parts reduce service requirements and inventory costs
• Superior cleanability – smooth inner valve body (Ra ≤ 0.8μm)
• Extended seal life due to defined seal compression
• Static seal leak detection ensures product safety
• Double lip seal protects against bacterial contamination

Tried and tested valve safety

The Unique SSV single seat valve range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless-steel disc, the valve body is extremely strong and durable, thus ensuring production safety. In addition, the enhanced performance of the actuator makes operation safe and efficient.

How does the Unique SSV single seat valve work?

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. In addition, service requirements and inventory costs are reduced as the valve has only few moving parts. More effective CIP procedures with reduced cleaning cycles and, subsequently, the reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV valves’ low total cost of ownership.

Options

• Fully maintainable actuator
• High-pressure actuator
• Product wetted seals in HNBR or FPM
• TR2 plug seal in PTFE for special applications
• Valve sensing and control devices
• Fittings in accordance with required standard
• External surface finish 3-A bright

Key benefits of the Unique SSV Aseptic

• Durable aseptic valve design
• Superior cleanability – smooth inner valve body without crevices
• Extended seal life due to defined seal compression
• Static seal leak detection for enhanced product safety
• Hermetic diaphragm protection against bacterial contamination
• Low total cost of ownership with few moving parts

Built on the Unique SSV platform

Built on the well-proven Alfa Laval Unique SSV platform, the Unique SSV Aseptic features a one-piece diaphragm that provides hermetic sealing to prevent intrusion of contaminants from the atmosphere, ensuring full protection against the effects of microorganisms during processing.

The special diaphragm can also be used with the Unique SSV Standard, Tangential, Two Step, Manual and Tank Outlet. Few moving parts ensure easy maintenance, high reliability and low total cost of ownership. A wide range of optional features enables customization to specific process requirements. This Unique SSV Aseptic is designed for uninterrupted production in sterile and aseptic applications across the dairy, food, beverage, brewery, biotechnology, pharmaceutical and many other industries.

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile.

Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene and aseptic compatibility. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety. The enhanced performance of the actuator makes operation safer and more efficient.

Exceptional valve hygiene

The Unique SSV range is engineered to provide excellent hygiene and cleanability. With a surface finish of Ra ≤ 0.8μm, the smooth, weld-free valve body eliminates crevices that can trap bacteria. The plug supports enhanced cleaning-in-place capabilities, and a double-acting lip seal minimizes the risk of cross-contamination.

Alfa Laval Unique SSV valves meet the most hygienic standards requested in the dairy, food and beverage, and personal care industries. The Unique SSV range is EHEDG-certified and authorized to carry the 3-A symbol. The range also provides full traceability in compliance with the EU Food Regulation 1935/2004.

Greater valve durability

To ensure high sealing quality, the Unique SSV range features defined compression of the O-rings with metal-to-metal contact between plug and seat. This significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator that has a five-year warranty.

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. Few moving parts reduce service requirements and inventory costs. More effective CIP procedures with reduced cleaning cycles and, subsequently, reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV’s low total cost of ownership.

Construction

The Alfa Laval Unique SSV range consists of one, two or three valve bodies, plug, sealing, actuator and clamp ring.

How does the Unique SSV Aseptic work?

Key benefits of the Unique SSV ATEX

• Certified for explosive atmospheres (ATEX)
• Supremely reliable and versatile design
• Cost-effective and modular configuration
• Extremely strong and durable valve body
• Protection against leakage and bacterial contamination
• Certified by 3-A, EHEDG and EU hygiene regulations

Built on the Unique SSV platform

Built on the well-proven Unique SSV platform, the ATEX-certified version is designed for safe, uninterrupted production in environments with an explosive atmosphere. Few moving parts ensure high reliability and low maintenance costs. A wide range of optional features enables customization to specific process requirements. It is ideal for use across the dairy, food, beverage, brewery and many other industries.

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile.

Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene and aseptic compatibility. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety. The enhanced performance of the actuator makes operation safer and more efficient.

Exceptional valve hygiene

The Unique SSV range is engineered to provide excellent hygiene and cleanability. With a surface finish of Ra ≤ 0.8μm, the smooth, weld-free valve body eliminates crevices that can trap bacteria. The plug supports enhanced cleaning-in-place capabilities, and a double-acting lip seal minimizes the risk of cross-contamination.

Alfa Laval Unique SSV valves meet the most hygienic standards requested in the dairy, food and beverage, and personal care industries. The Unique SSV range is EHEDG-certified and authorized to carry the 3-A symbol. The range also provides full traceability in compliance with the EU Food Regulation 1935/2004.

Greater valve durability

To ensure high sealing quality, the Unique SSV range features defined compression of the O-rings with metal-to-metal contact between plug and seat. This significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator that has a five-year warranty.

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. Few moving parts reduce service requirements and inventory costs. More effective CIP procedures with reduced cleaning cycles and, subsequently, reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV’s low total cost of ownership.

Construction

The Alfa Laval Unique SSV range consists of one, two or three valve bodies, plug, sealing, actuator and clamp ring.

How does the Unique SSV ATEX work?

Key benefits of the Unique SSV DN125 and DN150

• For large-size installations where size matters
• Cost-effective and versatile configuration
• Easily handles highly viscous fluids and large particles
• Durable and long-lasting construction
• Compliant with 3-A and other hygienic standards

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile. Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety. The enhanced performance of the actuator makes operation safer and more efficient.

Greater valve durability

To ensure high sealing quality, the Unique SSV range features defined compression of the O-rings with metal-to-metal contact between plug and seat. This significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator that has a five-year warranty.

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. Few moving parts reduce service requirements and inventory costs. More effective CIP procedures with reduced cleaning cycles and, subsequently, reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV’s low total cost of ownership.

Product benefits

• Cost-effective for large installations
• Nearly endless customization possibilities
• Extremely strong and durable valve body

How does the Unique SSV DN125/150 work?

Key benefits of the Unique SSV Long Stroke

• Gentle, effective flow control for high-viscosity and particle-rich products
• Exceptional valve hygiene and long-term durability
• Superior cleanability with smooth, crevice-free design
• Extended seal life due to defined seal compression
• Static seal leak detection for enhanced product safety
• Double lip seal ensures full vacuum protection

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile. Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene and aseptic compatibility. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety. The enhanced performance of the actuator makes operation safer and more efficient.

Exceptional valve hygiene

With a surface finish of Ra ≤ 0.8μm, the smooth, weld-free valve body eliminates crevices that can trap bacteria. The design of the plug supports enhanced cleaning-in-place capabilities, and a double-acting lip seal minimizes any risk of cross-contamination. These valves meet the highest hygienic standards and are EHEDG-certified and authorized to carry the 3-A symbol, with full traceability per EU Food Regulation 1935/2004.

Greater valve durability

Defined compression of the O-rings with metal-to-metal contact between plug and seat significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator backed by a five-year warranty.

Low total cost of ownership

The straightforward, reliable design provides long service life, reduced product loss, and increased product safety. Fewer moving parts reduce service needs and inventory costs. More efficient CIP reduces cleaning cycles and minimizes consumption of cleaning fluids, water, and utilities.

Product benefits

• Cost-effective solution for viscous and particulate products
• High hygiene and aseptic compatibility
• Built for safety and process reliability

How does the Unique SSV Long Stroke work?

Product Benefits

• Robust and reliable pneumatic seat valves
• Cost-effective
• High standards of hygiene and aseptic compatibility

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile.

Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene and aseptic compatibility. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Our Selection Guide illustrates the many combinations of features and types available with the Unique SSV valve range.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety.

Exceptional valve hygiene

The Unique SSV range is engineered to provide excellent hygiene and cleanability. With a surface finish of Ra ≤ 0.8μm, the smooth, weld-free valve body eliminates crevices that can trap bacteria. The design of the plug supports enhanced cleaning-in-place capabilities, and a double-acting lip seal that minimizes any risk of cross-contamination.

Alfa Laval Unique SSV valves meet most hygienic standards requested in the dairy, food and beverage, and personal care industries. The Unique SSV range is EHEDG-certified and authorized to carry the 3-A symbol. The range also provides full traceability in compliance with the EU Food Regulation 1935/2004.

Please refer to Documentation for more information.

Greater valve durability

To ensure high sealing quality, the Unique SSV range features defined compression of the O-rings with metal-to-metal contact between plug and seat. This significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator that has a five-year warranty.

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. Few moving parts reduce service requirements and inventory costs. More effective CIP procedures with reduced cleaning cycles and, subsequently, the reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV’s low total cost of ownership.

How does the Unique SSV Manual work?

Key benefits

• Keeps pressure within safe operating limits
• Ensures reliable performance with flexible, on-site setup
• Enhances efficiency and product safety through validated cleaning
• Ensures compliance with hygienic or aseptic process requirements
• Enables easy settings adjustment for precise pressure control and process safety

Safeguard your hygienic equipment from overpressure with the Alfa Laval Unique SSV Pressure Relief Valve. This adjustable PRV provides precise pressure control to maximize uptime, even in dynamic environments, making it ideal for the dairy, food, beverage, and home and personal care industries.

When powered by Alfa Laval ThinkTop technology, it proactively detects issues, ensures process and product safety, and seamlessly adapts to various operating conditions. It is fully CIP-able, no matter the pressure setting. Spare parts are interchangeable with other Unique SSV valves, simplifying maintenance and reducing service time, inventory and administration costs.

Boost efficiency while safeguarding your processing lines with the Unique SSV Pressure Relief Valve.

How does the Unique SSV Pressure Relief Valve work?

The Alfa Laval Unique SSV Pressure Relief Valve ensures system integrity by preventing overpressure in hygienic processing lines. Easily adjust the set pressure on site using the actuator’s adjustment screw to match your desired settings, which are always higher than the operating pressure, to safeguard critical equipment like positive displacement pumps.

When the operating pressure exceeds the set threshold, the valve opens against spring force, venting pressure and protecting your equipment, system and process from potential damage.

Fit the valve with Alfa Laval ThinkTop technology

Product Benefits

• Supremely reliable and versatile
• High standards of hygiene and aseptic compatibility
• The valve body is extremely strong and durable

Reverse-acting valve to eliminate the risk of pressure shock

Its compact, modular and hygienic design meets the highest process demands in terms of hygiene and safety. Built on the well-proven Alfa Laval Unique SSV platform, it provides multiple solutions where the direction of the flow does not allow the use of a standard Alfa Laval Unique SSV to eliminate the risk of pressure shock. Few moving parts ensure easy dismantling, high reliability and low maintenance costs. A wide range of optional features enables customization to specific process requirements. The Unique SSV Reverse Acting is designed for use in a broad range of hygienic applications across the dairy, food, beverage, brewery and many other industries.

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile.

Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene and aseptic compatibility. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Our Selection Guide illustrates the many combinations of features and types available with the Unique SSV valve range.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety. The enhanced performance of the actuator makes operation safer and more efficient.

Exceptional valve hygiene

The Unique SSV range is engineered to provide excellent hygiene and cleanability. With a surface finish of Ra ≤ 0.8μm, the smooth, weld-free valve body eliminates crevices that can trap bacteria. The design of the plug supports enhanced cleaning-in-place capabilities, and a double-acting lip seal that minimizes any risk of cross-contamination.

Alfa Laval Unique SSV valves meet most hygienic standards requested in the dairy, food and beverage, and personal care industries. The Unique SSV range is EHEDG-certified and authorized to carry the 3-A symbol. The range also provides full traceability in compliance with the EU Food Regulation 1935/2004.

Please refer to Documentation for more information.

Greater valve durability

To ensure high sealing quality, the Unique SSV range features defined compression of the O-rings with metal-to-metal contact between plug and seat. This significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator that has a five-year warranty.

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. Few moving parts reduce service requirements and inventory costs. More effective CIP procedures with reduced cleaning cycles and, subsequently, the reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV’s low total cost of ownership.

How does the Unique SSV Reverse Acting work?

Designed for use in tank openings, horizontally mounted drains and where space is limited

Built on the well-proven Unique SSV platform, it provides complete drainability of the valve body near tank openings, on horizontally mounted ports, or wherever space restrictions make it difficult to install valves at other angles. Few moving parts ensure easy maintenance, high reliability and low total cost of ownership. A wide range of optional features enables customization to specific process requirements. This Unique SSV Tangential is designed to provide complete drainability of the valve body when space is limited in hygienic applications across the dairy, food, beverage, brewery and many other industries.

Product Benefits

• Exceptional valve hygiene and durability
• Superior cleanability – smooth inner valve body without crevices
• Extended seal life due to the defined seal compression
• Enhanced product safety thanks to the static seal leak detection
• Protection against full vacuum due to the double lip seal
• Robust and reliable pneumatic seat valves
• Cost-effective
• Extremely strong and durable

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile.

Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene and aseptic compatibility. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Our Selection Guide illustrates the many combinations of features and types available with the Unique SSV valve range.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety. The enhanced performance of the actuator makes operation safer and more efficient.

Exceptional valve hygiene

The Unique SSV range is engineered to provide excellent hygiene and cleanability. With a surface finish of Ra ≤ 0.8μm, the smooth, weld-free valve body eliminates crevices that can trap bacteria. The design of the plug supports enhanced cleaning-in-place capabilities, and a double-acting lip seal that minimizes any risk of cross-contamination.

Alfa Laval Unique SSV valves meet most hygienic standards requested in the dairy, food and beverage, and personal care industries. The Unique SSV range is EHEDG-certified and authorized to carry the 3-A symbol. The range also provides full traceability in compliance with the EU Food Regulation 1935/2004.

Please refer to Documentation for more information.

Greater valve durability

To ensure high sealing quality, the Unique SSV range features defined compression of the O-rings with metal-to-metal contact between plug and seat. This significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator that has a five-year warranty.

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. Few moving parts reduce service requirements and inventory costs. More effective CIP procedures with reduced cleaning cycles and, subsequently, the reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV’s low total cost of ownership.

How does the Unique SSV Tangential work?

Key benefits of the Unique SSV Two Step

• For use in dosing, two-stage filling or for draining of two pipes at the same time
• Exceptional valve hygiene and durability
• Superior cleanability – smooth inner valve body without crevices
• Extended seal life due to defined seal compression
• Enhances product safety due to static seal leak detection
• Protection against full vacuum due to double lip seal

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile. Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene and aseptic compatibility. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Our Selection Guide illustrates the many combinations of features and types available with the Unique SSV valve range.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety. The enhanced performance of the actuator makes operation safer and more efficient.

Exceptional valve hygiene

The Unique SSV range is engineered to provide excellent hygiene and cleanability. With a surface finish of Ra ≤ 0.8μm, the smooth, weld-free valve body eliminates crevices that can trap bacteria. The design of the plug supports enhanced cleaning-in-place capabilities, and a double-acting lip seal that minimizes any risk of cross-contamination.

Alfa Laval Unique SSV valves meet most hygienic standards requested in the dairy, food and beverage, and personal care industries. The Unique SSV range is EHEDG-certified and authorized to carry the 3-A symbol. The range also provides full traceability in compliance with the EU Food Regulation 1935/2004.

Greater valve durability

To ensure high sealing quality, the Unique SSV range features defined compression of the O-rings with metal-to-metal contact between plug and seat. This significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator that has a five-year warranty.

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. Few moving parts reduce service requirements and inventory costs. More effective CIP procedures with reduced cleaning cycles and, subsequently, the reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV’s low total cost of ownership.

Product benefits

• Cost-effective solution for dosing and filling processes
• High hygiene and process safety
• Reliable operation with minimal maintenance

How does the Unique SSV Two Step work?

Key benefits of the Unique SSV Y-body

• Particularly gentle treatment of products and flows
• Exceptional valve hygiene and durability
• Extended seal life due to the defined seal compression
• Enhanced product safety due to the static seal leak detection
• Protection against full vacuum due to the double lip seal
• Gentle product handling

Versatile and reliable single seat valve

Alfa Laval Unique single seat valves (SSVs) are robust and reliable pneumatic seat valves that are supremely reliable and versatile. Modularity provides cost-effective and nearly endless possibilities for purpose-built seat valves that meet high standards of hygiene and aseptic compatibility. Configure the Unique SSV valve bodies, plugs and actuators to meet virtually any requirement.

Our Selection Guide illustrates the many combinations of features and types available with the Unique SSV valve range.

Superior valve process safety

The Unique SSV range is built on a proven modular platform used on more than a million valves in service worldwide. Pressed from a single stainless steel disc, the valve body is extremely strong and durable, thus ensuring production safety. The enhanced performance of the actuator makes operation safer and more efficient.

Exceptional valve hygiene

The Unique SSV range is engineered to provide excellent hygiene and cleanability. With a surface finish of Ra ≤ 0.8μm, the smooth, weld-free valve body eliminates crevices that can trap bacteria. The design of the plug supports enhanced cleaning-in-place capabilities, and a double-acting lip seal that minimizes any risk of cross-contamination.

Alfa Laval Unique SSV valves meet most hygienic standards requested in the dairy, food and beverage, and personal care industries. The Unique SSV range is EHEDG-certified and authorized to carry the 3-A symbol. The range also provides full traceability in compliance with the EU Food Regulation 1935/2004.

Greater valve durability

To ensure high sealing quality, the Unique SSV range features defined compression of the O-rings with metal-to-metal contact between plug and seat. This significantly reduces wear and extends valve service life. The standard Unique SSV is supplied with a semi-maintainable actuator that has a five-year warranty.

Low total cost of ownership

Thanks to its straightforward, reliable design, the Unique SSV range provides long service life, reduced product loss, greater product safety and more processing uptime. Few moving parts reduce service requirements and inventory costs. More effective CIP procedures with reduced cleaning cycles and, subsequently, the reduced use of cleaning fluids, water and utilities also contribute to the Unique SSV’s low total cost of ownership.

Product benefits

• Cost-effective
• Nearly endless possibilities
• Excellent hygiene and cleanability

How does the Unique SSV Y-body work?