Diaphragm valves

Pressure: 2 bar
Temperature: 0 °C - 70 °C
Flow rate: 60 l/min

... Variety of multi-valve configurations - Equal pressure drop, response time and internal volumes - High cycle life - Fast response time A unique feature of the NIV series is the one-piece valve stem that ...

DN: 15 mm - 50 mm
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 140 °C

... and (EU) 10/2011. •Size: DN 15 up to DN 65 •Pressure: PN 16 •Material: Body: Stainless steel 1.4435 Diaphragms: EPDM diaphragm with PTFE-foil •Temperature: Media temperature: -20 °C ...

DN: 15 mm - 100 mm
Pressure: 0 bar - 10 bar
Temperature: 0 °C - 120 °C

In contrast to other valve designs, only two diaphragm valve components come into contact with the operating media: the diaphragm itself and the valve ...

DN: 15 mm - 50 mm
Pressure: max 16.0 bar
Temperature: -20 °C - 140 °C

... Size: DN 15 - DN 50 Pressure: PN 16 Material: Body: Stainless steel 1.4435 Diaphragms: EPDM diaphragm with PTFE-foil Temperature: Media temperature: -20 ...

DN: 20, 25, 13 mm
Pressure: 1 bar - 10 bar
Temperature: -10 °C - 60 °C

• Poppet valve • Indirectly actuated • Brass design • In-line mounting • Poppet valve, indirectly actuated with diaphragm control

Pressure: 1 bar - 10 bar
Temperature: -10 °C - 60 °C
Flow rate: 2,400, 3,800, 4,000, 10,500, 14,000 l/min

• Poppet valve • Indirectly actuated • Brass design • In-line mounting The valve is actuated only while pilot pressure is applied.

DN: 10 mm
Pressure: 1.5 bar - 3 bar
Temperature: 0 °C - 50 °C

... pneumatic valve. It is used to control gaseous and liquid media in laboratories The valve VZDB is a pilot-actuated pneumatic valve. Normally closed (2/2-way solenoid valve ...

DN: 25 mm - 100 mm
Pressure: 10 bar
Temperature: 150, 140 °C

... approved diaphragm and diaphragm shaft material ATEX compliant models The single layer diaphragm of the DELTA MS4 is made of TFM. The diaphragm, shaft and cone ...

DN: 20, 15, 10 mm
Pressure: 10 bar
Temperature: 150 °C

The SPX FLOW AP1 diaphragm valve range offers optimum protection of the product in aseptic applications. Product safety is provided by the hermetic separation of the product chamber from the environment ...

DN: 50 mm
Pressure: 0 bar - 10 bar
Temperature: 140, 135 °C

The CPV constant pressure diaphragm valve forms part of the pneumatically operated pressure regulating and pressure holding valves which keep process pressures constant in process technological ...

DN: 20 mm
Pressure: 0.4 bar - 8 bar
Temperature: -20 °C - 85 °C

High flow rate Simple construction for ease of maintenance One piece diaphragm for longer life Control via separate pilot valve or control unit Medium: - Compressed Air Port Size: ...

DN: 40 mm
Pressure: 0.4 bar - 8 bar
Temperature: -20 °C - 85 °C

High flow rate Simple construction for ease of maintenance One piece diaphragm for longer life Control via separate pilot valve or control unit Medium: - Compressed Air Port Size: ...

DN: 15 mm - 200 mm
Pressure: 16 bar
Temperature: -20 °C - 160 °C

Weir-type diaphragm valve to DIN/EN with flanged ends, threaded socket ends or socket weld ends, in straight-way pattern; shut-off and sealing to atmosphere by supported and confined diaphragm; ...

DN: 6 mm - 200 mm
Pressure: 0 bar - 16 bar
Temperature: -20 °C - 160 °C

SISTO-C ● Soft-seated shut-off valve ● Unique design with enclosed diaphragm ● Diaphragm with spiral support starting with size MD65 ● With manual or pneumatic actuator ● Shut-off ...

DN: 6 mm - 200 mm
Pressure: 16 bar
Temperature: -20 °C - 160 °C

SISTO-C ● Soft-seated shut-off valve ● Unique design with enclosed diaphragm ● Diaphragm with spiral support starting with size MD65 ● With manual or pneumatic actuator ● Shut-off ...

DN: 0.063, 0.125 in
Pressure: 0.5 psi - 100 psi
Temperature: 40 °F - 120 °F

Pressure piloted 3 Way Valves apply signal pressure to a diaphragm that is opposed by a spring force. When then pressure signal force is greater than the spring force it reaches its set-point (also called ...

DN: 0.063, 0.125 in
Pressure: 0.5 psi - 100 psi
Temperature: 40 °F - 120 °F

Pressure controlled 3 Way Valves apply signal pressure to a diaphragm that is opposed by a spring force. When then pressure signal force is greater than the spring force it reaches its set-point (also ...

DN: 0.625, 0.125 in
Pressure: 22 psi - 116 psi
Temperature: 40 °F - 120 °F

Vacuum controlled 3 Way Valves apply signal pressure to a diaphragm that is opposed by a spring force. When then vacuum signal force is greater (deeper vacuum = more force) than the spring force it reaches ...

DN: 0 mm - 0.81 mm
Pressure: 135 psi
Flow rate: 0 ft³/h - 20 ft³/h

... fluids) but is primarily intended for the control of liquids. The pressure regulation is accomplished with a low friction diaphragm mechanism. Max Inlet Pressure Rating: The PCFCD is rated for a maximum inlet pressure ...

DN: 8 mm - 25 mm
Pressure: 0 bar - 7 bar
Temperature: -10 °C - 140 °C

The GEMÜ F40 2/2-way filling valve is designed for filling processes in aseptic and hygienic areas of application. Flow rates up to 6,600 l/h are possible depending on the version. The sealing concept of the valve ...

DN: 4 mm - 25 mm
Pressure: 0 bar - 8 bar
Temperature: -10 °C - 100 °C

Diaphragm valve GEMÜ 650TL is a manual tapping valve with automatic closing function which is pneumatically operated. The "keep-closed" override of manual operation is via a stainless ...

DN: 15 mm - 100 mm
Pressure: 0 bar - 10 bar
Temperature: -10 °C - 80 °C

The GEMÜ R690 2/2-way diaphragm valve has a low maintenance membrane actuator and is pneumatically operated. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) control functions ...

DN: 1.5 in - 6 in
Pressure: 5 bar
Temperature: 135, 140 °C

The next generation of mixproof valve technology is the result of continued development from both APV and Waukesha Cherry-Burrell process technologies. Used for the reliable separation of dissimilar fluids, the D4 Series ...

DN: 38 mm - 152 mm
Pressure: 7, 10.3, 10 bar

Mixproof valves provide safe separation of dissimilar products within the same valve body. Specifications For general purpose mixproof applications, we offer the W71 Series for standard shutoff service. Materials ...

DN: 25 mm - 152 mm
Pressure: 5 bar - 84 bar
Temperature: 21 °C - 138 °C

W60 series single seat valves are used to shut-off or divert flow in a process system. These valves are pneumatically or manually operated, and offered in a wide variety of configurations. These valves ...

DN: 15 mm - 50 mm
Pressure: 10 bar
Temperature: 0 °C - 80 °C

... adaptor for solenoid valve (with adaptation for K122 and K123) PO-NC (single acting: fail safe close), PO-NO (single acting: fail safe open), PO-DA (double acting) Accessories: Electrical position indication ...

DN: 15 mm - 50 mm
Pressure: 12.5, 10 bar
Temperature: 10 °C - 60 °C

Torque limiter Limit Stop prevents the valve against sticking, when it is open for a longer period Silicone-free Zero dead leg valve Suitable for slurries and abrasive media Suitable ...

DN: 15 mm - 50 mm
Pressure: 10 bar
Temperature: 5 °C - 80 °C

Torque limiter Limit Stop prevents the valve against sticking, when it is open for a longer period Silicone-free Zero dead leg valve Suitable for slurries and abrasive media Suitable ...

DN: 15 mm - 65 mm
Pressure: 10 bar
Temperature: -20 °C - 120 °C

The DK DIALOCK® diaphragm valve is particularly suitable for shutting off and regulating abrasive or dirty fluids. The new internal geometry of the body optimises fluid dynamic efficiency by increasing ...

DN: 15 mm - 65 mm
Pressure: 10 bar
Temperature: -20 °C - 120 °C

... prevent any risk of corrosion. - New valve body internal design. Substantially higher flow coefficient and lower pressure drops. The degree of efficiency reached has also enabled the size and weight of the valve ...

DN: 80 mm - 100 mm
Pressure: 6, 10 bar
Temperature: -20 °C - 120 °C

... PP-GR. Internal circular and symmetrical diaphragm sealing area Diaphragm available in EPDM, FPM, PTFE (NBR on request) and easy to replace Threaded metal inserts for anchoring the valve ...

DN: 50 mm - 600 mm
Pressure: 25 bar
Flow rate: 16 m³/h - 5,400 m³/h

PRESSURE REDUCING VALVE The valve reduces high upstream pressure to a pre-set lower and constant downstream pressure level, regardless of fluctuating flow or varying upstream pressure. A hydraulic regulating ...

DN: 50 mm - 600 mm
Pressure: 25 bar
Flow rate: 16 m³/h - 5,400 m³/h

ELECTROHYDRAULIC ON/OFF VALVE The valve opens fully or shuts off in response to electric signals. The valve is controlled by a solenoid that allows control liquid to flow in the upper ...

DN: 50 mm - 600 mm
Pressure: 25 bar
Flow rate: 16 m³/h - 5,400 m³/h

PRESSURE SUSTAINING VALVE The valve maintains downstream pressure over a pre-set minimum value, regardless of fluctuating flow or varying upstream pressure. Otherwise the valve may ...

Pressure: 17.2 bar

... incorporates an emergency valve, bypassing the fire detection systems for manual operation. Designed for vertical or horizontal installation, a globe pattern, line pressure operated FDV-PC0 valve features ...

DN: 40 mm - 250 mm
Pressure: 17.2 bar

... the deluge valve to open. The Deluge system incorporates an emergency valve, bypassing the fire detection systems for manual operation. Designed for vertical or horizontal installation, a globe pattern, ...

DN: 40 mm - 250 mm
Pressure: 17.2 bar

... high flowrates with minimum head loss. * The valve trips open automatically upon a gradual release of water pressure from its control chamber. The valve is actuated by an electric signal conveyed to ...

DN: 0.25 in
Pressure: 0 bar - 200 bar
Temperature: -20 °C - 70 °C

The rossignol metering valve will be fitted di- rectly to the cylinder valve. Due to the slim conus of the metering spindle the rossignol valve guarantees precise metering. As an ...

DN: 4 mm
Pressure: 0 bar - 300 bar
Temperature: -20 °C - 70 °C

The diaphragm shut-off valve HP 550 is laid out for the use in pure gas supply systems. The diaphragm shut-off valve has 3 inlets and one outlet. Threaded holes on ...

DN: 4 mm
Pressure: 0 bar - 300 bar
Temperature: -20 °C - 70 °C

The diaphragm shut-off valve HP 551 is laid out for the use in pure gas supply systems. The diaphragm shut-off valve has an inlet and an outlet. Threaded holes on the ...

DN: 4 mm - 8 mm
Pressure: 0.1 MPa - 0.9 MPa
Temperature: 0 °C - 60 °C

This speed controller fixes the operation speed of driving device. It is best suited for use with mass-produced dedicated machines. Orifice bore φ0.1mm and φ0.2 mm are added. Orifice bore can be selected from φ0.1mm to φ2 mm, in ...

DN: 15 mm - 900 mm
Pressure: 16 bar - 420 bar

Sliding Stem Valves Series body material: Carbon steel /Stainless steel / Alloy steel /Special ( Monel /Inconel /Hastelly etc.) alloy steel end connection: RF/RTJ/BW operation: Diaphragm/ motor/pneumatic ...

DN: 20 mm - 300 mm
Pressure: 16 bar - 420 bar

Single-seated Control Valve body material: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel end connection: operation:the PDL series pneumatic diaphragm actuator, PCL series pneumatic piston ...

DN: 40 mm - 450 mm
Pressure: 16 bar - 420 bar

... Control Valve body material: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel end connection: operation: PDL pneumatic diaphragm actuator、PCL pneumatic piston actuator、Electric actuator product ...

DN: 2 in - 12 in

Model RAF, Altitude Valve closes at a preset maximum water level to prevent overflow of a ground storage tank or reservoir and opens to refill when the water level in the tank or reservoir lowers. Features ◆ Maintains ...

DN: 1.5 in - 10 in
Pressure: 0 psi - 144.2 psi
Temperature: -15 °C - 80 °C

... , The Diaphragm design Float valve has one major function and that is to stop the flow of water from an inlet supply line. The float valve rises as the water level rises. Once a specified ...

DN: 1.5 in - 12 in
Pressure: 1 bar - 13 bar

Model DTR / DFR, Diaphragm pilot control Pressure Reducing Valve reduces pressure of inlet flow into desired outlet pressure. Pressure Reducing Valve can prevent damage within pipelines ...

DN: 0.125 in - 1 in
Pressure: 1 bar - 10 bar
Temperature: -10 °C - 70 °C

Series of quick exhaust valves in nickel-plated brass and in stainless steel

DN: 0.5 in
Pressure: 30 psi - 125 psi

Walchem’s economical Tri-Purpose Valves are three valves in one. Installed in one direction, the spring loaded PTFE faced diaphragm provides 30 psi of back pressure and anti-syphon protection. ...

Pressure: 30 psi - 150 psi

Walchem’s Multi-Function Valves (MFV) provide anti-syphon, back pressure, bleed, drain and pressure relief for your 11, 16 and 21 size E class metering pumps. These valves will prevent syphoning when ...

DN: 3 mm - 24 mm

M&J Valve's high quality 4-way diverter valve system is specifically designed for the rigid requirements of bi-directional meter proving. The M&J 4-Way Diverter Valve is the heart of ...

DN: 10 mm - 100 mm
Pressure: 25 bar
Temperature: -10 °C - 80 °C

for water distribution domestic and individual 10 BIS : With 1/4'' plugs on both sides to allow pressure gauge connection Possibility of assembly of compensating spring (except for 4'' size) to obtain settings at 0.5 bar Setting ...

DN: 8 mm - 19 mm
Pressure: 0 bar - 40 bar

Brass diaphragm valve For non corrosive gases and gas mixtures up to quality 6.0 Suitable for pressures up to 40 bar Wide range of in- / outlets Metal-to-metal sealing to atmosphere ...

DN: 3 mm
Pressure: 0 bar - 200 bar

Brass control valve (e. g. for the pressure regulator outlet) For non corrosive gases and gas mixtures up to qualität 6.0 Suitable for pressures up to 50 bar (control valve) or 200 bar (shut-off-valve) Ergonomically ...

DN: 8 mm - 19 mm
Pressure: 1 Pa - 4,000,000 Pa

Product features Stainless steel diaphragm valves For corrosive, toxic gases and gas mixtures with corrosive components up to quality 6.0 Suitable for pressures up to 40 bar Wide range ...

Temperature: 330, 180, 265 °C

... contamination from air leaks into the valve. Reduced maintenance with extended valve lifetime Extend your treated GC valve head coating lifetime due to our reduced insert and ...

Temperature: 180, 260 °C

The most reliable and durable valve Our patented compact Purged Lip Sealing Valve (PLSV) is a disruptive analytical valve that offers the best of both worlds: a longer lifetime than ...

... complexity. Our Purged Pulse Diaphragm Valve (PPDV) changed all that. Using the static purge principle to purge the valve’s inner volume through the actuation gas, it works for applications ...