ProductsFeaturesHow It WorkDocumentation

Radial Diaphragm valveRadial Diaphragm Valve UltraPure 

This compact, maintenance friendly radial diaphragm valve with its double-sealing system provides true aseptic conditions for sterile applications where leakage, deadlegs or cross-contamination is unacceptable.

A true aseptic radial diaphragm valve

The Alfa Laval Radial Diaphragm Valve UltraPure is a one-piece diaphragm sealing system that delivers reliable, contaminant-free performance. Features that contribute to its superior hygienic design include:

  • Pocket-free design without dome, sump or deadleg
  • Flow optimized design with wide radius for fast Cleaning-in-Place and Sterilization-in-Place (CIP/SIP)
  • Single-seat valve technology with stem shielded behind the diaphragm so it does not travel in and out of the product chamber

Flexible aseptic valve installation

With its compact footprint and straightforward seat-valve design, the Alfa Laval Radial Diaphragm Valve UltraPure is easy to install. Unlike Weir-type valves, our radial diaphragm valve does not require a critical installation angle to eliminate dead legs. Fewer bends and weldings reduce the cost of materials, labour, and associated documentation.

Assembly is easy using a standard clamp. No tools are required for assembly, re-tightening or adjustment. Plus there are no loose screws, bolts or nuts so diaphragm replacement, when required, takes just a few seconds. This significantly reduces downtime and maintenance costs.

High flow rate, high product recovery rate

Engineered for use in biotech, pharmaceutical and aseptic food industries, the Alfa Laval Radial Diaphragm Valve UltraPure provides a high flow rate despite its compact size and small actuator. This flow-optimized design contributes to quick and easy cleaning using CIP/SIP systems.

With its self-draining design, the Alfa Laval Radial Diaphragm Valve provides full drainability with superior Kv (Cv)values. This contributes to high product recovery and increased profitability.

Standard radial diaphragm valve design

Designed for use as a shut-off valve, pass-through valve or a tank outlet valve, the Alfa Laval Radial Diaphragm Valve UltraPure can operate in manual mode or in automatic mode when equipped with a pneumatic actuator. Available in silicone and EPDM, our diaphragms meet the requirements of FDA and USP class VI classifications as well as TSE/ADI declarations. Standard welding or clamp ends are available in ø12.7 mm, ø25.4 mm and ø38 mm dimensions.

Construction

The RDV-UP is a single-seat valve with the stem protected behind a silicone or EPDM diaphragm. The diaphragm has a true aseptic double-sealing system that protects the product from external contamination. The diaphragm protects the stem so that the stem does not travel inside the product chamber, thereby eliminating the risk of contamination being dragged into the product chamber.

Operating principle

The Alfa Laval Radial Diaphragm Valve UltraPure (RDV-UP) range is designed either for manual operation or for automatic operation.

Manual operation

For manual operation, the RDV-UP is controlled by means of a handle. A simple turn of the handle pushes the stem downwards with the diaphragm, pressing it against the seat of the valve body and thereby closing the valve.

The handle is fitted onto the valve by means of a clamp.

Automatic operation

The RDV-UP can be controlled from remote location by means of compressed air using a pneumatic actuator. The actuator controls the axial movement of a piston, thereby opening or closing the valve depending on the actuator function.

The actuator is available in two standard versions: normally closed (NC) and air/air activated (A/A). The actuator is fitted on to the valve by means of a clamp.

 

 

ProductsFeaturesHow It WorkDocumentation

SMP Mixproof ValveSMP Mixproof Valve

Ideal for handling sanitary process flows through matrix piping systems, SMP mixproof valves are standardized, cost-effective alternatives to Unique mixproof valves.

Economic mixproof valves

Alfa Laval offers two double-seal mixproof valves: The Alfa Laval SMP-BC and the aseptic version, SPC-BCA. The SMP valves enable the flow of two different media through the same valve simultaneously without any risk of cross-contamination. This increases operating efficiencies and significantly reduces operating costs.

High application flexibility

Based on a modular structure, SMP mixproof valves have several valve bodies and components that can be combined in various ways. These self-draining mixproof valves can, for instance, be configured as stop valves and changeover valves.

Plus SMP mixproof valves are constructed from a series of base components, which enables valves to easily be configured to meet different requirements in sanitary and aseptic applications.

Simplified valve maintenance

Few moving parts, a top-loaded plug, a maintenance-friendly actuator make SMP mixproof valves easy to disassemble for quick, straightforward maintenance.

SMP mixproof valve range

The Alfa Laval SMP mixproof valve range offers two standard cost-effective alternatives to the premium Alfa Laval Unique mixproof valve range.

  • SMP-BC mixproof valve for applications that require additional safety, leak detection and CIP
  • SMP-BCA mixproof valve for aseptic applications

Aseptic version

The aseptic version of Alfa Laval’s SMP mixproof valve is called SMP-BCA, which is designed for use under mixproof aseptic conditions and sterilization involving high temperatures.

The straight forward design keeps liquids separate by using two seals on the same plug, with a leakage chamber in between.

The PTFE / rubber diaphragm following the movement of the plug in the upper section of the valve body ensures that there is no increase in the concentration of microorganisms in the product during processing.

Compliance with most hygienic standards

Alfa Laval SMP valves meet most standards requested in the dairy, food and beverage, and personal care industries.

Construction

The construction of the Alfa Laval SMP mixproof valve range varies, depending on the valve model (SMP-BC and SMP-BCA).

The SMP-BC mixproof valve consists of an actuator, bonnet, plug and valve bodies. Three versions are available: a shut-off valve with one valve body, a shut-off valve with two valve bodies, and a changeover valve with three valve bodies. Clamp rings and a plug clip system secure the valve bodies to the actuator. The clamp ring enables you to turn the valve in any direction.

The SMP-BCA mixproof valve consists of the same valve components as the SMP-BC, but is fitted with a PTFE/EPDM diaphragm designed to prevent contamination from external sources and to withstand high temperature. This makes the SMP-BCA ideal for use under aseptic conditions.

Operating principles

The Alfa Laval SMP mixproof valves are controlled from remote location by means of compressed air. The SMP-BC and SMP-BCA mixproof valves have different operating principles, which are described below.

SMP-BC mixproof valve

The SMP-BC mixproof valve is fitted with two small pneumatic normally open (NO) valves, a detecting valve and a CIP-valve.

The valve plug has two seals, which form an atmospheric leakage chamber. Any product leakage is discharged through the detecting valve. The leakage chamber may be cleaned by supplying CIP into the detecting valve. The SMP-BC is insensitive to water hammer in the product line above the plug.

For changeover valves, a single seal plug separates the lower product lines.

SMP-BCA aseptic mixproof valve

The SMP-BCA aseptic mixproof valve is a normally closed (NC) valve with a proven PTFE/EPDM diaphragm. The special designed aseptic diaphragm hermetically seals against intrusion from the atmosphere and ensures full protection against the effects of microorganisms. It also prevents product build-up on the product contact surface.

The valve plug has two seals, which form an atmospheric leakage chamber. Any product leakage is discharged through the detecting valve. The leakage chamber may be cleaned by supplying CIP into the detecting valve.

Two small pneumatic normally open (NO) valves enable a sterile barrier to be established in the leakage chamber through the continuous application of steam. The chamber must be clean and sterile when the main valve is closed.

For changeover valves, a single seal plug separates the lower product lines but does not require the use of a sterile barrier in the leakage chamber.

  

     SMP-BC shut-off valve            SMP-BCA Aseptic shut-off valve

Options

SMP-BC mixproof valve

  • Fittings in accordance with required standard
  • Valve sensing and control devices, including ThinkTopThinkTop Basic and IndiTop
  • Actuator with strong spring
  • Larger actuator for valve sizes 38-51 mm/DN 40-50
  • CIP installation kits
  • Various valve body combinations
  • Surface roughness, product wetted parts: Ra ≤ 0.8 µm
  • Product wetted seals of NBR or FPM
  • Service tool for actuator
  • Tool for plug seals (Necessary for changing the seals)

SMP-BCA mixproof valve

  • Fittings in accordance with required standard
  • Valve sensing and control devices, including ThinkTopThinkTop Basic and IndiTop
  • Larger actuator for valve sizes 38-51 mm/DN 40-50
  • CIP installation kits
  • Various valve body combinations
  • Surface roughness, product wetted parts: Ra ≤ 0.8 µm
  • Product wetted seals of NBR and PTFE or FPM and PTFE
  • Service tool for actuator
  • Tool for plug seals (Necessary for changing the seals)
DescriptionFeaturesHow It WorkDocumentation

SPC-2 regulating valvesSPC-2 regulating valves

SPC-2 regulating valves provide accurate control of pressure, flow, temperature and liquid levels in tanks and stainless steel pipe systems used for hygienic processes in the dairy, food and beverage, and biopharm industries.

Extremely accurate valve flow regulation

Alfa Laval offers two regulating valves: the SPC-2 and a aseptic version, the SPC-2A. These normally open regulating valves provide highly accurate control of pressure, flow, temperature and fluid levels in tanks and in steel pipe systems.

Advanced hygienic valve design

SPC-2 valves are ideal for high-volume sanitary process applications that require precision control. With a self-draining valve body, these valves are authorized to carry the 3-A symbol. Especially suitable for aseptic applications that require SIP (Sterilization in Place), the SPC-2 valves are fitted with PTFE diaphragms that prevent contamination from microorganisms and particles outside the product zone.

Extreme valve accuracy

The SPC-2 features an electro-pneumatic actuator with integrated IP converter and integrated positioner, which contribute to greater operational accuracy and reliability. SPC-2 valves are IP-54 certified for water, dust and shock resistance.

SPC-2 valve range

The SPC-2 is based on modular components that enable the selection of different plug configurations to meet specific requirements. Normally closed valves are available upon request.

Aseptic version

The aseptic version of Alfa Laval’s SPC-valve is called SPC-2A. This is an electro-pneumatic modulating valve that features an IP converter as an integrated part of the actuator. Available with a range of plug designs with different Kv values, providing different capacities.

Supplied with a diaphragm that provides hermetic sealing against intrusion from the atmosphere, ensuring full protection against the effects of micro-organisms during processing.

This design allow aseptic control of pressure, flow, temperature in aseptic systems and to control the level of liquids in aseptic tanks.

Like all Alfa Laval valves, the SPC-2A is constructed with few moving parts housed in the actuator for added wear protection. Its compact hygienic design contributes reduces the need for maintenance and makes disassembly, if required, quick and easy. Plus there are no loose springs to pose any safety risk when opening the valve.

Low maintenance requirements

Like all Alfa Laval valves, the SPC-2 is constructed with few moving parts housed in the actuator for added wear protection. Its compact hygienic design contributes reduces the need for maintenance and makes disassembly, if required, quick and easy. Plus there are no loose springs to pose any safety risk when opening the valve.

Compliance with most hygienic standards

Alfa Laval SPC-2 valves meet most standards requested in the dairy, food and beverage, and personal care industries.

 

Construction

The SPC-2 valve consists of a valve body without seal, cone-shaped regulating plug, lip seal, bonnet and an actuator. The actuator with the bonnet is fitted to the valve body by means of a clamp ring.

The standard valve is supplied with a standard normally open (NO) actuator. Upon request, it may also be supplied with a normally closed (NC) actuator.

Operating principle

Alfa Laval SPC-2 valves feature an electro-pneumatic actuator with an integrated IP converter, which provide accurate and reliable conversion of electrical signals from a controller directly to pneumatic signals. Signal conversion is extremely insensitive to pressure shocks.

The pneumatic signals are relayed to an integrated positioner, which operates by means of the force balance principle. This ensures that the position of the actuator piston is directly proportional to the input signal. Signal range and zero point can be adjusted individually.

By changing the standard measuring spring, the actuator may also be used for split-range operation.

Options

  • Fittings in accordance with required standard
  • Aseptic version based on ARC aseptic diaphragm system
  • External surface finish of Ra ≤ 0.8μm
  • Explosion protection (EEX ia IIc T6) on request
  • 3A (Sanitary Standard) labelling on request
  • Lip seal of NBR or FPM

SPC 2 – Normally Open

 

DescriptionFeaturesHow It WorkDocumentation


Unique Diaphragm Valve UltraPureUnique Diaphragm Valve UltraPure

The Unique Diaphragm Valve UltraPure meets the requirements of most sterile and ultra-hygienic processes. These compact, lightweight valves are modular in design, which enables a wide range of purpose-built configurations.

 

Superior hygienic design

The Alfa Laval Unique DV-ST UltraPure range consistently delivers documented, reliable, and contaminant-free aseptic performance.

High-quality valve bodies

Low delta-ferrite content valve bodies with specified sulphur content are standard for all forged and block valves.

  • Cast bodies are made from high-precision investment casting with low delta-ferrite content.
  • Two-way valves, including the ferrules for clamp end bodies, are made from a single piece of metal.
  • T- and Tank-outlet valves are available either machined from block or forged and welded.

The forged and welded valve bodies offer an economical lightweight alternative, which makes easy installation and efficient steam sterilization possible.

Wide range of well proven diaphragms

Alfa Laval’s broad range of well documented pharmaceutical grade diaphragms meet the requirements of FDA and USP classifications as well as TSE/ADI declarations. A high performance S2 EPDM diaphragm for continuous steam operation at temperatures up to 150 °C extends the lifetime of valves used in more demanding process environments.

Innovative actuator design

Compact and lightweight, the actuators enable easy conversion of the control function (NC-Air/Air-NO). The unique design also permits adjustments of the actuator spring pressure to optimize the sealing function and lifetime of the diaphragm. Over-closure protection for all handles used for manual operation ensures a defined closure pressure against the diaphragm and prolongs diaphragm lifetime as well. All steel parts are made of stainless steel.

Modular valve design

Create exactly the configuration you require. The Unique DV-ST UltraPure is constructed from a series of base parts that enables you to easily adapt the valve to the individual needs of a wide range of applications.

Automation & control

        

Actuators

      

Handles 

       

Diaphragms

         

Aseptic diaphragm valves

Alfa Laval diaphragm valves are built around a weir-type system. This is available in a wide range of hard and soft compounds, extending from PTFE with either EPDM or silicone as backing plate to EPDM with a Kevlar core if extra mechanical stability is required.

Alfa Laval aseptic diaphragm valves can be operated by handles or pneumatic actuators. Such actuators can be fitted with an extensive range of control and monitoring equipment, including control units, position indicators, seal adjusters and stroke limiters.

Well documented to safeguard quality

Equipment and components in the Alfa Laval BioPharm portfolio are supplied with Alfa Laval Q-doc, a comprehensive documentation package that provides full transparency of the entire supply chain, from raw material to final equipment delivery. This smoothes purchasing and installation procedures as well as facilitates qualification, validation and change control procedures. Based on GDP (Good Documentation Practice), Alfa Laval Q-doc covers every aspect of biotech and pharmaceutical equipment supply and provides customers with transparent and well-documented quality assurance of the sourced equipment

Construction

The standard Unique DV-ST UltraPure consists of a valve body, diaphragm, handle or actuator. Optional automation and control units are available. With a full modular design, the Unique DV-ST UltraPure can be built to meet virtually any demand within the biotech and pharmaceutical industries.

Operating principle

The standard Unique DV-ST valve range is designed either for manual operation or for automatic operation.

Manual operation

For manual operation, the Unique DV-ST UltraPure is controlled by means of a handle. A simple turn of the handle will push the compressor downwards on the diaphragm, pressing the diaphragm against the weir of the valve body thereby closing the valve.

The handle can be made of full stainless steel, stainless steel composite, full composite or an epoxy version. All have a standard optical positioner and over closure protection*. As an option, the handle can incorporate a lockable function for security. The handle is fitted onto the valve by means of four screws and bolts.

*Except composite handle.

Automatic operation

The Unique DV-ST UltraPure can be controlled from remote location by means of compressed air using a pneumatic actuator. The actuator controls the axial movement of a piston, thereby opening or closing the valve depending on the actuator function.

The actuator is available in three standard versions: normally closed (NC), normally open (NO) and air/air activated (A/A). All versions have an integrated optical positioner. The actuator is fitted on to the valve by means of four screws and bolts.

DescriptionFeaturesHow It WorkDocumentation

Unique single seat valvesUnique single seat valves 

Ideal for uninterrupted production in a broad range of hygiene-critical applications, Unique single seat valves are pneumatic seat valves used to shut off or change product flow.

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 safetyIn the US and Canada the Unique 7000 corresponds to the Unique single seat valve.

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 non-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.

Unique single-seat valve range

The Unique SSV range comprises several purpose-built valve configurations. Modularity provides great flexibility to customize valves to your specific requirements.

Unique SSV valve (standard)

Unique SSV valve (standard) for a broad spectrum of processing duties

Unique SSV reverse-acting valve

Unique SSV reverse-acting valve for use in applications where the flow direction does not allow the use of a standard Unique SSV valve to eliminate the risk of pressure shock.

Unique SSSV small single-seat valves

Unique SSSV small single seat valves for use in sampling, CIP and other contexts where only small flow rates are involved.

Unique SSV tank outlet valves

Unique SSV tank outlet valves for installations that open into the tank (reverse-acting version) or close up against the tank (standard version).
  Unique SSV ATEX Unique SSV ATEX valves for intrinsically safe operation in potentially explosive environments.
  Unique SSV Y-body valves

Unique SSV Y-body valves for use in installations that involve flows with large particles and/or high viscosity, and where the focus is on particularly gentle treatment of products and flows.

  Unique SSV long-stroke valves

Unique SSV long-stroke valves for use where larger openings are required to provide gentler, more effective flow control such as in installations with media or products that contain particles and/or suspended solids and for high-viscosity flows.

Unique SSV Tangential

Unique SSV tangential valves for use in tank openings, horizontally mounted drains and for wherever space restriction make it difficult to install valves at other angles.

Unique SSV two-step valves

Unique SSV two-step valves for use in dosing, two-stage filling where the focus is on ensuring an exact volume or for draining of two pipes at the same time. Adjustable lifting height makes it possible to match specific volumes and quantities.

Unique SSV manually operated valves

Unique SSV manually operated valves for shut off, tank outlet or straightforward regulating or dosing purposes that require small, relatively simple valves with many different options and features, including lockable handles.

Unique SSV RF valve is available in one size. Unique SSV RF comes with a fixed Kv value of 11 and a plug with almost linear characteristics. It is used for duties where regulating accuracy is essential.

Unique SSV aseptic valve

ASEPTIC VERSION

Unique SSV aseptic valve for sterile process applications.   A one-piece diaphragm provides hermetic sealing against intrusion from the atmosphere, ensuring full protection against the effects of microorganisms during processing.

The special diaphragm offers modularity as it can  be used with a broard range of the Unique SSV configurations  – including standard, tangential, two-step, manual and tank outlet valves. This modularity also support upgradability of already installed valves if the need arises to modify exiting process installations meeting the need of tomorrow…

The Unique SSV aseptic valve design offers a straight forward design with focus on product safety, sort sterilization time as well as fast and affordable replacement of service parts.

Click here to see how it works.

Construction

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

Operating principle

The Alfa Laval Unique SSV is an air-operated seat valve that is remotely operated by means of compressed air. The valve generally has two working ports for air supply in and for process air supply; for changeover valves, a third port is required.

Unique SSV Aseptic

Fully modular with the proven design of the Unique SSV the aseptic single seat valve is equipped with a hermetic sealing diaphragm that ensures true aseptic conditions during operation. It hermetically seals against intrusion from the atmosphere and ensures full protection against the effects of microorganisms

With a “sandwich construction” of PTFE on the product side, EPDM and an enforcing mesh, the aseptic diaphragm is optimized to guarantee reliable performance and long lifetime. In open position the one-piece diaphragm is mechanically supported by the valve to reduce wear and increase endurance.

The Unique SSV Aseptic valve is available in both pneumatic and manual configurations.

                      

                  Unique SSV                              Unique SSV

             aseptic shut-off valve               aseptic change-over valve

 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, incl ThinkTopThinkTop Basic and IndiTop
  • Fittings in accordance with required standard
  • External surface finish 3-A bright