• Materials: Components in contact with the product are made from 1.4404 (AISI 316 L), while non-contact parts use 1.4301 (AISI 304). Seals are available in EPDM, FKM, and HNBR, all FDA approved.
• Temperature and Pressure: Operating temperatures range from -30°C to 160°C, with pressure resistance up to 25 bar. The protection class is IP65 or IP66, depending on the component.
• Surface Quality: The internal surface roughness is Ra ≤ 0.8 μm for DN, OD, ISO, and Ra ≤ 1.2 μm for IPS.

• Order Codes: Each component has a specific order code based on its configuration, including process connection, nominal width, seal material, surface quality, illumination, certificates, and documentation language.
• Installation: Components can be installed with or without VARINLINE® housings or flanges, and various connection types are available.

• Components comply with EN 10204 for test reports and inspection certificates.
• ATEX certification is available for certain configurations.

• Choose appropriate seal materials and surface finishes based on the application environment.
• Consider the operational temperature and pressure requirements when selecting components.

• Pipe Dimensions: Detailed dimensions for nominal widths and process connections are provided, ensuring compatibility with existing systems.
• Pressure and Temperature Ranges: Specific ranges are outlined for each component type, ensuring they meet the necessary operational requirements.

This document provides technical specifications and options for VARIVENT® valves, focusing on control valves with special functions. It includes details on manual and pneumatic actuators, valve types, and additional features such as limit stops and sterile locks.

• Material: 1.4301 stainless steel.
• Surface Finish: Turned, Ra ≤ 1.6 μm.
• Nominal Widths: Metric DN 25 – 150, Inch OD 1" – 6", Inch IPS 2" – 6".

• VARIVENT® Control Valve P: Suitable for manual operation with a handwheel or crank, depending on size.
• VARIVENT® Control Valve S: Equipped with diaphragm actuators and additional manual adjustments.

• Manual Actuator: Allows manual operation of pneumatic valves during power failures or maintenance.
• Limit Stop: Mechanically adjustable to limit valve stroke, not compatible with sterile locks.
• Sterile Lock: Prevents contamination by separating valve disc surface from the atmosphere.
• Double Stem Guidance: Reduces vibrations and is standard in certain valve types.

• Kv Value Calculation: Provides formulas for determining flow rates and pressure differentials.
• Actuator Selection: Based on diaphragm surface area and required closing force.

• Control Cone Selection: Depends on pressure reduction and flow characteristics, with options for linear or equal-percentage curves.
• Nominal Width and Actuator Size: Determined by flow volume and pressure requirements.

Includes sections for customer details, medium type, process conditions, and valve specifications to assist in selecting the appropriate VARIVENT® control valve.

• VARIVENT® Type I: Installed upright, can be actuated pneumatically or manually, and allows for smaller sample volumes.
• VARINLINE® Type TSVN and TSVU: Can be installed vertically or horizontally, compatible with VARINLINE® products, and available as aseptic valves with stainless steel bellows.
• VARIVENT® Type T/09: A fully automatic mixproof sampling and dosing valve, allowing for cleaning or sterilization immediately after sampling.

• Material: The valves are made from high-quality materials such as 1.4404 (AISI 316L) for parts in contact with the product and 1.4301 (AISI 304) for other parts. Seal materials include EPDM, FKM, and HNBR.
• Surface Finish: Internal surfaces have a roughness of Ra ≤ 0.8 μm, and external surfaces are matte blasted.
• Temperature and Pressure: Ambient temperature ranges from 0 to 45 °C, with a maximum air supply pressure of 8 bar (116 psi) and product pressure up to 10 bar (145 psi).

• Overflow Valves: These include adjustable set pressure and pneumatic lifting features, with various actuator types and configurations available.
• Constant Pressure Valves: Designed to maintain constant pressure at the valve's input side, they feature a PTFE valve disc for low friction and resilience against corrosive fluids.
• Safety Relief Valves: Developed for hygienic applications, these valves protect systems from excess pressure and are available with manual or pneumatic lifting mechanisms.

• Materials: Product-contact materials are made of 1.4404 (AISI 316L), while non-contact materials are 1.4310 (AISI 304). Seal materials include EPDM.
• Temperature and Pressure: Ambient temperature ranges from -10 to 130°C, with air supply pressure at 6 bar and set pressure between 0.5 to 10 bar.
• Surface Quality: The surface in contact with the product has a roughness of Ra ≤ 0.8 μm, with options for Ra ≤ 0.4 μm through electro-polishing.

• Safety Relief Valves: Available in types 483 and HyCom, with options for manual or pneumatic lifting, and various connection types including VARIVENT® grooved flange.
• Vacuum Valves: Designed to protect tanks against negative pressure, featuring quick reaction times and optional heating elements for freeze protection.

• Limit Stop: Allows adjustment of the valve to the required outlet mass flow to prevent unstable function behavior.
• Heating Facility: Provides freeze protection for the valve seat, ensuring functionality at temperatures below 0°C.
• Cleaning Module: Facilitates hygienic cleaning of the valve seat area, requiring a VARIVENT® grooved flange connection.

• VARITOP® System: A modular tank safety system used primarily in the brewing industry for pressure regulation and protection against over- or under-pressure.
• Vacuum Valves: Used in conjunction with the VARITOP® system, offering protection from dirt particles and ensuring quick response to vacuum conditions.

• Feedback mechanisms, proximity switches, and pneumatic lifting actuators are available for enhanced control and monitoring.
• Various seal materials and surface finishes can be selected based on specific application requirements.

• Specifications: The systems are made from material 1.4404 with EPDM seals, suitable for ambient temperatures between 0 to 45°C and operating temperatures below 80°C. They operate with an air supply pressure of 6 to 8 bar and a product pressure of 10 bar.
• Dimensions: Detailed dimensions are provided for different nominal widths (DN 100, DN 125, DN 162) including various height and length measurements.
• Safety Relief Valves: Maximum values for safety relief valves are specified for types 488 and HyCom, with dimensions for different nominal widths.
• Connection and Cleaning: Systems use VARIVENT® flange connections and include options for cleaning devices like rotating jet cleaners and cleaning lances.

• Purpose: These systems optimize economic efficiency by recovering valuable products from pipelines, reducing waste and cleaning media consumption.
• Types: The systems are available in automatic, semi-automatic, and manual configurations, each with varying levels of automation for product recovery.
• Applications: Used in industries such as food, beverage, and personal care for products like yogurt, fruit juice, shampoo, and toothpaste.
• Features: The systems are designed for safe operation with closed pipe systems, automatic function modes, and components certified to 3A standards.

• Only piggable valves matching the geometry of the GEA Tuchenhagen double ball pig can be used.
• Consistent interior diameter throughout the pipe system is required.
• Avoid sharp-edged and strongly sagging welds.
• Connection fittings with rounded internal transfers are permissible.
• No seals should protrude into the pipe.
• Standard pipe bends with a small middle radius can be used, but the number of bends should be minimized.
• Use pipe bends with low ovality, with tolerances up to ± 1.5% of the outside diameter across the entire bend length.

• Pig speed control is crucial; it should not exceed 0.5 m/s at the pig station to prevent damage.
• Avoid running the pig in a dry pipeline or returning it after pushing out water when using compressible media like air.
• Stick-slip effect can occur if these conditions are not met, except with slippery products like shampoo and vegetable oils.

• Available for semi-automatic, automatic, and manual operations.
• Includes components like pig catching pipe/station, pig driving medium valves, pig stopper, and pig T-piece.

• Free of dead zones and fully CIP-/SIP-able, integrated into the product path.
• Pig retention cylinders and guidance keep the pig in position during flooding with product or cleaning media.
• Ensures best cleaning with complete residual emptying.

• Mechanically stops the pig; not flooded with cleaning media.
• Standard valve unit consists of two combined ECOVENT® valves (NL and WK).
• Prevents mixing between product and pig driving medium.

• Allows connection of pig driving medium valves and adaptation of pressure gauges or transmitters.
• Standard valve unit ensures complete cleaning and prevents mixing of media.

• Automatically operated, used for precise positioning of pigs.
• Prevents pig from leaving the launching station in case of vacuum.

• Used as product inlet and outlet in pigging lines.
• Prevents canting of the pig by having a smaller lateral socket width.

• Made from wear- and temperature-resistant materials, compatible with products.
• Double ball shape ensures optimal passage through bends and T-pieces.
• Contains stainless steel-encapsulated magnets for detection.

• Material in contact with product: 1.4404.
• Seal material: EPDM (FDA compliant).
• Ambient temperature: 0 to 45 °C.
• Max product pressure varies by size, up to 16 bar (232 psi).
• Surface in contact with product: Ra ≤ 0.8 μm.

• Material: Components in contact with the product are made from 1.4404 (AISI 316L) stainless steel, ensuring durability and compliance with hygiene standards.
• Seal Material: Options include EPDM, FKM, and HNBR, all FDA approved, suitable for various operational conditions.
• Surface Quality: Internal surfaces have a roughness of Ra ≤ 0.8 μm, with external surfaces either matte blasted or ground.
• Pressure Ratings: Product pressure varies by nominal width, with DN 25 to DN 65 and OD 1" to OD 2 ½" rated at 16 bar, and DN 80 to DN 100 and OD 3" to OD 4" rated at 10 bar.

• Pig Catching Pipe: Available in various nominal widths, with detailed dimensions provided for each size.
• Pig Driving Medium Valves: Feature pneumatic actuators and are designed for pressures up to 16 bar for smaller diameters and 10 bar for larger ones.
• Pig Stopper and T-Piece: Designed for efficient product recovery and cleaning, with options for proximity switches and various connection fittings.

• Product Push-Out: The pig is driven through the pipeline by a medium, pushing residual product towards the receiving station.
• Cleaning: The pig and pipeline are cleaned during the cleaning cycle, with specific procedures for different system configurations.
• Pig Return: After cleaning, the pig is returned to the launching station using a gaseous medium.

• EMI/1 and EMII/1 Systems: Automatically operated systems with specific cleaning and inspection protocols.
• DM/1 System: Offers flexibility with product push-out in two directions and operation with one pig, suitable for foaming products.

• VARICOVER® DM/1: This automatic system involves manual insertion of the pig, which is then pushed through the pipeline to recover residual product. Cleaning is manual.
• VARICOVER® SP1/SP2: Semi-automatic systems where the pig runs automatically, but cleaning is manual. SP2 includes a ball valve for increased safety.
• VARICOVER® MP1/MP2: Fully manual systems with optional semi-automatic operation. MP2 includes ball valves for better control and safety.

• Product Filling: To avoid foam formation when filling descending pipelines, a product recovery system is used to separate product and air.
• Operation: The pig is driven through the pipeline using a driving medium, typically water or air, to push out residual product.
• Cleaning: Pigs are manually cleaned outside the system after use.

• Pig Detector: Used to locate stationary pigs along the pipeline, suitable for explosive atmospheres.
• Pipe Brackets and Magnetic Sensors: Used to detect pigs in motion and control their speed.
• Test Materials: Used to assess the chemical resistance of pig materials.

• Ensure consistent pipe diameter and minimize sharp bends to facilitate pig movement.
• Use appropriate driving media based on product characteristics (e.g., slippery products may require air).
• Consider ball valves for enhanced safety and control during pig insertion and removal.

• Details on housing and nominal widths, including jacketed valve housings for temperature control.
• Specifications for increased pressure levels and material options for different applications.

• T.VIS® M-15: Features a modular system with manually adjustable sensors, a 24 V DC interface, and optional solenoid valves. It supports DeviceNet and AS-Interface communication standards and offers protection class IP66.
• T.VIS® A-15: Equipped with a high-precision path measuring system for automatic position recognition. It supports 24 V DC, AS-Interface, and DeviceNet interfaces, with protection class IP66.

• Both systems offer LED status indication, flexible modularity, and high-quality pneumatic fittings.
• The T.VIS® A-15 includes quick automatic initialization and tamper-proof settings, reducing energy consumption and operating costs.

• Operating voltage for both systems is 24 V DC, with specific current consumption and protection features.
• Ambient temperature range is −20 to 55 °C, with air supply pressure between 2 to 8 bar.
• Both systems comply with ISO 8573-1:2010 standards for solid, water, and oil content.

• Order codes for both systems are provided, detailing options for solenoid valves, feedback types, interface types, and additional features like protection classes and connection types.