1. Hydraulics - Pneumatics
  2. Valve
  3. Diaphragm valve
  4. Raphael Valves Industries (1975) Ltd
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Diaphragm valve RAF 8R-31
electricfor controlfor water

diaphragm valve
diaphragm valve
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Characteristics

Type
diaphragm
Operation
electric
Function
for control
Media
for water
Body
threaded
Number of channels
3-way
Other characteristics
normally closed
DN

Max.: 150 mm
(5.906 in)

Min.: 25 mm
(0.984 in)

Pressure

10 bar
(145 psi)

Temperature

70 °C
(158 °F)

Description

The RAF 8R-31 is a Normally Closed (N.C) pressure sustaining valve. The RAF 8R-31 is an electric On/Off valve, controlled by a 3-W plastic solenoid valve. When the solenoid is energized the valve opens and performs as a pressure sustaining valve, maintaining the set pressure constant regardless of flow-rate or pressure fluctuations. The 3-W plastic pilot can be preset to a desirable minimum upstream pressure. The 3-W plastic pilot and plastic solenoid together with Raphael's patented diaphragm enables smooth and precise control.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.