Valves

Valves are mechanical devices that control the flow and pressure within a system or process. A valve is a device that regulates, controls or directs the flow of a substance by opening, closing, or partially obstructing various pipes.

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Fine Control Valve | FCV

Fine Control Valve - Overview

This valve comes in a selection of fine-control needles suitable for the gradual opening and closing of gas or liquid flows. Suitable for use with all Platon glass Tube VA flowmeters, the standard FCV is rated at up to 25 bar line pressure. As with all control valves, the FCV is not designed for a total leak-free shut-off.

Fine Control Valve - Features
- Liquids or gases
- Brass or Stainless Steel Options
- 1/4" BSPP Connection fits directly into pipework
- Fits in any orientation
- Choice of low, medium or high flow control
- Ideal for use with NGXI, LGXI and GU flowmeters
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2 Way Solenoid Valve | DS1561

2-Way Solenoid Valve - Overview

This valve is a direct-acting, two-way solenoid valve. It has options for normally open (B) or normally closed (A). This is suitable for on/off control of non-aggressive fluids and gases such as air, oil or water.

2-Way Solenoid Valve - Features
- Direct acting 2-way solenoid valve
- Options for normally open (B) or normally closed (A)
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Throttle Valve | GF-V251

Throttle Valve - Overview

This throttle valve is compact in design with robust construction. It has good control characteristics, ensuring high operational safety. It has good chemical resistance thanks to highly resistant plastics (PVC, PP, PVDF). It requires virtually no maintenance and can be installed in any position. A spindle with a cone narrows the cross-section of the opening in the housing, thus restricting the volume flow to the desired value. The setting is made using a tool (screwdriver or flat material), having the added advantage that the set value cannot be changed unintentionally. Applications include chemical dosing and water treatment. Suitable for use in neutral or aggressive media with a small quantity of particles/solids. The chemical resistance depends on the selected valve material

Throttle Valve - Features
- Good chemical resistance (PVC, PP, PVDF)
- Virtually no maintenance
- Installed in any position
- High operational safety
- Compact and robust construction
- Good control characteristics
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Water Jet Suction Pump Valve | GF P20

Water Jet Suction Pump Valve - Overview

The water jet suction pump valve can be used where the liquid is under pressure and is present as a propellant. It is used for transporting and mixing liquids. The water jet suction pump valve is self-priming and has no mechanically moving parts. The basic principle of the water jet suction pump is that the propellant liquid passes through a nozzle and draws in with it the liquid or gaseous medium from the suction line, increasing its velocity. The result is that the propellant and the medium are sucked in and mixed together. Suitable for use in aquariums, the chemical process industry, industrial water treatment, and swimming pools.

Water Jet Suction Pump Valve - Features
- No external energy required for operation
- Ideal for mixing, dosing and transporting liquids
- No mechanically moving parts
- Self-priming
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Angle Seat Check Valve | 303/304

Angle Seat Check Valve - Overview

Type 303 and 304 Angle Seat Check Valves are designed exclusively to shut off or pass approved media within the approved pressure and temperature limits after installation in a piping system. The maximum service life is 25 years. Angle seat check valves are not suitable for media containing solids. The Angle Seat Valve is exceptionally reliable and versatile. The check valves can be installed horizontally or vertically. The check element can be easily serviced without having to dismantle the entire valve. They require minimal maintenance and can handle both small and large pipe configurations. These valves are made from extremely robust plastic.

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Ball Valve | 546 Pro

Ball Valve - Overview

The Ball Valve Pro is an extremely reliable and long-lasting valve. It boasts ergonomically designed lockable levers that enable precise operation. This also protects against the lever being used unintentionally or without permission. It comes with optional LED position feedback to allow for easy position feedback and control of the valve. Another option is the spring return lever ("dead man") which automatically closes the valve by itself after it has been opened. Each valve comes with its own Data-Matrix-Code which simplifies installation, tracking, maintenance, and repair. There is also the option of using either the pneumatic or electric actuator with the valve. The pneumatic actuator is completely made of plastic, is lightweight, and is virtually maintenance-free. It is robust, reliable, and durable even in highly corrosive environments. The electric actuator system is ideal for digitalisation: it makes it easy to identify valve positions and control the system status. It has wireless control and a 360° LED Status display.

Ball Valve 546 Pro - Features
- Ergonomic lockable lever
- Modular and flexible design
- Virtually maintenance-free
- Reduced maintenance costs
- Data-Matrix-Code
- Quick label on request
- Integrated tool for the union bush
- Interface for flexible automation and accessories
- Reinforced security breakpoint in the stem interface
- Double stem seals
- Sawtooth thread suitable for plastics
- Fastening system with integrated threaded bushes
- Dynamic backing seal
- Smooth spherical surface
https://www.youtube.com/watch?v=pulQT4IKh-I

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Manual Ball Valve | 546 Pro

Manual Ball Valve - Overview

The Ball Valve Pro is an extremely reliable and long-lasting valve. It boasts ergonomically designed lockable levers that enable precise operation. This also protects against the lever being used unintentionally or without permission. It comes with optional LED position feedback to allow for easy position feedback and control of the valve. Another option is the spring return lever ("dead man") which automatically closes the valve by itself after it has been opened. Each valve comes with its own Data-Matrix-Code which simplifies installation, tracking, maintenance, and repair. There is also the option of using either the pneumatic or electric actuator with the valve. The pneumatic actuator is completely made of plastic, is lightweight, and is virtually maintenance-free. It is robust, reliable, and durable even in highly corrosive environments. The electric actuator system is ideal for digitalisation: it makes it easy to identify valve positions and control the system status. It has wireless control and a 360° LED Status display.

Manual Ball Valve 546 Pro - Features
- Ergonomic lockable lever
- Modular and flexible design
- Virtually maintenance-free
- Reduced maintenance costs
- Data-Matrix-Code
- Quick label on request
- Integrated tool for the union bush
- Interface for flexible automation and accessories
- Reinforced security breakpoint in the stem interface
- Double stem seals
- Sawtooth thread suitable for plastics
- Fastening system with integrated threaded bushes
- Dynamic backing seal
- Smooth spherical surface
https://www.youtube.com/watch?v=pulQT4IKh-I

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Butterfly Valve | 567

Butterfly Valve - Overview

The butterfly valve has all-plastic housing which combines quality and durability. Through the use of fibreglass reinforced polypropylene, the valve's weight is greatly reduced. This simplifies not only the installation of the valve but also saves on the storage cost. The valve can be used reliably in highly corrosive applications and is excellent for use with aggressive media. The system allows the exchange of individual system components at any time - quickly and easily, without much effort. The maximum nominal pressure is 10 bar on both sides at 20 °C. A further benefit of this is the long life span since the valve is less exposed to wear and tear. Suitable for most applications in industrial water treatment, the chemical process industry, chemical trade, galvanization and in power plants. The valve is modular in design, allowing individual system parts to be exchanged at any time.

Butterfly Valve - Features
- High corrosion resistance
- Low wear and tear: up to 50 % lower operation torque than centric valves
- Leak-tightness within and without: double, internal axis gasket on both sides
- On standard versions, the lever is in increments of 5 degrees
- Stable and Reliable
- Easy maintenance
- Long life span
- Minimal operation torque
- Can be fitted with an actuator (optional)
- Lever positioning clearly marked
- Can be used with electric position indicators (optional)
- Lower weight than metallic butterfly valves
https://www.youtube.com/watch?v=MfD281418MA

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Pressure Reducing Valve | 582

Pressure Reducing Valve - Overview

The pressure-reducing valve reduces the outlet pressure to a specified value. Pressure-reducing valves are often used to protect downstream devices against overpressure. The downstream pressure works against the spring resistance and raises the diaphragm until equilibrium is reached. The desired outlet pressure is regulated using the spring pre-tensioning. The inlet pressure is not directly related to the outlet pressure. The pressure at the outlet thus remains constant despite fluctuations at the inlet. The diaphragm is not influenced by pressure peaks, meaning sensitive measuring devices can be protected downstream. The set pressure can be increased by turning the spindle at the top of the valve in a clockwise direction. Turning it counterclockwise reduces the set pressure. Inward-pointing arrows assist in visualising the direction of the flow and the pressure setting, making handling easier. Applications include water treatment, chemical processing, the semiconductor industry and the solar industry. Suitable for neutral and aggressive media with a small amount of particles or solids.

Pressure Reducing Valve - Features
- Constant and stable control behaviour
- Leak-resistant in the event of temperature fluctuations
- Low maintenance
- Pressure setting possible even during operation
- Easy assembly
- Compact design allows installation even when space is limited
- Radially dismountable
- Integrated assembling aid enables direct assembly of the valve
- Significantly shorter installation length thanks to union connections
- Easy operation
- No re-torquing required thanks to central housing nut
- Easily adjustable set pressure
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Pressure Reducing Valve | NeoFlow

Pressure Reducing Valve - Overview

The NeoFlow Pressure Reducing Valve for precise and optimised pressure management. Used for the automatic pressure and flow control in networks for the supply and distribution of water. It protects the water distribution network from excess pressure and thereby reduces leakage rates and pipe bursts. NeoFlow delivers accurate, stable flow, and increased flow capacity to utilities. The valve is designed to fit between standard PN10 / PN16 in a wafer-type arrangement. ANSI150 flange compatibility is also available (excl. DN80).

Pressure Reducing Valve - Features
- 40% less installation time
- Easily and quickly serviced
- Optimised pressure regulation
- Monitoring and control can be integrated
- No actuator stem or diaphragm: Significantly reduced complexity
- Low maintenance requirements
- Accurate and stable flow
- Higher flow precision enabling pressure management in low-pressure systems
- Integrated pilot valve to optimize pressure regulation
- Optional integrated equipment to monitor flow, and water quality
- 9x lighter than a standard metal PRV
- 5x more compact than a standard metal PRV
- 40% less time to install than a standard metal PRV
https://www.youtube.com/watch?v=Y_pXXlntQYU

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ELGEF Plus Ball Valve

ELGEF Plus Ball Valve - Overview

The ELGEF Plus ball valves have been specially designed for underground gas and water distribution piping systems. They focus on safety and system compatibility. Made entirely of plastic, they are corrosion-resistant and maintenance-free. This ensures a service life of well over 50 years. The ball valves are easily connected to other components with the modular ELGEF Plus system. Safety is always the highest priority in gas and water installations, which is why the ELGEF Plus ball valve has 100% tightness to the outside, even under extreme conditions. With its easy-to-use traceability label, you can check your system. The ELGEF Plus ball valve (d20–d110 mm) is lightweight and easy to handle.

ELGEF Plus Ball Valve - Features
- Effective ball seal for a safety reserve
- Robust stops in open and closed positions
- Valve position (open/closed) is indicated
- Low actuating torque for easy operation
- Triple O-ring seal to cover extreme operating conditions
- Traceability barcode (d20–d110 mm) for complete traceability
- DVGW approval for gas (d20-d225 mm) & water applications (d20-d110 mm)
- Maintenance-free
- Easy connection of extension spindle according to DVGW GW336
- Easy installation with electrofusion or butt fusion technology
- One product for gas and water applications
- Fully compatible with components from the ELGEF Plus modular system
- Higher cost efficiency due to corrosion-free operation
- Minimal flow losses due to smooth ball surface
- Same physical and chemical characteristics of all piping components in the network
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Pressure Reducing Valve | V82

Pressure Reducing Valve - Overview

The pressure-reducing valve adjusts itself using the differential pressure to the set working pressure. If the outlet pressure increases or decreases to above/below the desired value, the diaphragm is lifted against the spring resistance or pressed down by the spring resistance by the outlet pressure. The pressure-reducing valve begins to close/open until the state of equilibrium is reached again. This allows outlet pressure to remain constant, regardless of the increasing or decreasing inlet pressure. The V82 Pressure Reducing Valve is made of durable, corrosion-free plastic and contains an actuator that is hermetically sealed against aggressive media in the pipe system. Can be installed in virtually any position. This valve is also available for pipes with bigger dimensions.

Pressure Reducing Valve - Features
- No auxiliary energy required
- The working pressure is set with an adjusting screw and locked with a locking nut
- Valves can also be adjusted under working pressure
- Practically no maintenance
- Can be installed in any position
- All parts that come into contact with the medium are made of highly resistant plastics
- The large form of the housing allows good flow values
- Standard version Type V82 with manometer separated from the medium
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Pressure Retaining Valve | 586

Pressure Retaining Valve - Overview

This valve works to keep the pressure at the valve inlet constant at all times ensuring problem-free operation and eliminating the risk of overload. It is made of fully molded, high-grade plastic, making this the obvious choice for any piping system. It contains the latest in pressure-regulating technology, these valves are compact and easy to install and can be configured to either reduce or retain the pressure. The innovative cartridge design minimises maintenance.

Pressure Retaining Valve - Features
- Constant pressure for safety
- Modular design for easy to installation
- Fully moulded plastic bodies for consistent quality
- Ideal for confined spaces
- Minimal maintenance
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Pressure Retaining Valve | V86

Pressure Retaining Valve - Overview

The V86 Pressure Retaining Valve works to keep the pressure at the valve inlet constant at all times, ensuring problem-free operation of the system as a whole. It is made for pipes of larger dimensions. The V86 pressure retaining valve serves to keep the working or system-related pressures constant, to balance out pressure pulsation and to reduce pressure peaks in chemical process systems. If the inlet pressure rises above the set value, the pressurised valve piston is lifted against the spring resistance. As a result, the valve opens and the pressure in the outlet pipe is reduced. The valve closes as soon as the inlet pressure sinks below the pre-set spring tension. For neutral and aggressive media with a small number of particles or solids. The chemical resistance depends on the selected valve material.

Pressure Retaining Valve - Features
- No auxiliary energy required
- The working pressure is set with an adjusting screw and locked with a locking nut
- Valves can also be adjusted under working pressure
- Minimal maintenance and can be installed in any position
- All parts in contact with medium made of highly resistant plastics
- Large form of the housing allows good flow values
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Pneumatically Actuated Diaphragm Valve | DIASTAR Type 025

Pneumatically Actuated Diaphragm Valve - Overview

The DIASTAR 025 has the highest closing forces in the portfolio of pneumatically actuated diaphragm valves. Functions include FC (fail-safe to close), FO (fail-safe to open) and DA (double-acting). Suitable wherever high pipe pressures of up to 10 bar need to be controlled on both sides. Pneumatic diaphragm valves are used for regulating, as well as closing, controlling and monitoring volume flows. This type of valve has decisive advantages when transporting contaminated, aggressive or abrasive media, due to its simple function and optimised construction. Only the valve body and diaphragm come into contact with the medium. Applications include contaminated, solid or ultrapure media.

Pneumatically Actuated Diaphragm Valve - Features
- Safe transport of aggressive media
- Adapting closing forces to medium pressure through reduction of spring assemblies
- High corrosion resistance
- Broad spectrum of applications
- Quick retrofitting through simple integration of accessories
- Maximum system safety
- Safe maintenance and minimal downtime
- Wide range of materials available
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