1. Hydraulics - Pneumatics
  2. Valve
  3. Diaphragm valve
  4. Raphael Valves Industries (1975) Ltd
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Diaphragm valve RAF 7R
hydraulically-operatedfor controlpilot

Diaphragm valve - RAF 7R - Raphael Valves Industries (1975) Ltd - hydraulically-operated / for control / pilot
Diaphragm valve - RAF 7R - Raphael Valves Industries (1975) Ltd - hydraulically-operated / for control / pilot
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Characteristics

Type
diaphragm
Operation
hydraulically-operated
Function
for control, pilot
Media
for water
Body
threaded
Number of channels
3-way
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 7R flow rate control valve is line pressure hydraulically actuated, 3-W plastic pilot. Normally the valve is partly open to allow constante flow rate. The head loss across the orifice is proportional to the flow rate. The RAF 7R maintains a maximum preset flow rate, as set on the 3-W flow rate pilot, and calibrated orifice regardless of pressure changes. The 3-W pilot configuration together with Raphael’s patented diaphragm enables smooth and precise flow rate 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.