نام محصول:
دریچه خاموش
نام انگلیسی:
Shut-off valve VMH series
برند:
Elettromeccanica Delta S.p.A.
مشخصات:
VMH
Safety shut off valves, slow opening and fast closing with hydraulic or pneumatic actuator
The VMH type valve is a safety shut off valve for gaseous media operated by hydraulic actuator. It is suitable for gas blocking and releasing controls, as required in the main pipe of gas power burners, atmospheric gas boilers, industrial kilns and gas consuming appliances.
When the actuator is energized, the valve opens slowly (some seconds); as soon as power supply stops, the valve closes immediately (<1 sec). It is qualified for continuous service (100% ED).
The hydraulic actuator can be replaced with a pneumatic actuator (VMP series) if compressed air is available in the plant.
Gas type
Air and non-aggressive gases (Family 1-2-3, EN 437)
Special version for Biogas/COG
Approvals
EC-type tested and certified according to EN 161
توضیحات:
Operation
pneumatic, hydraulic
Function
shut-off
Media
for gas, for air
Body$
double-flange
Applications
for boiler, for burners, furnace, for servo motors
Material$
aluminum alloy
Other characteristics
quick-closing, with security, slow-opening
DN
Min.: 65 mm(2.559 in)Max.: 300 mm(11.811 in)
Pressure
Min.: 0 mbar(0 psi)Max.: 1,600 mbar(23.2 psi)
Temperature
Min.: -15 °C(5 °F)Max.: 60 °C(140 °F)
Flow rate
Min.: 83 m³/h(2,931.12 ft³/h)Max.: 970 m³/h(34,255.23 ft³/h)
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