نام محصول:
دریچه کره
نام انگلیسی:
Globe valve ERHARD
برند:
Belgicast
مشخصات:
ERHARD Flow Control Valves
DN 50 – 150
PN 16 – 40
Body: EN-JS1050
Coating: Epoxy
For throttling and regulation in water treatment and distribution installations as well as hydroelectric power plants.
Slotted bush with optimum flow behaviour for harmless energy conversion
Excellently suited for continuous operation during cavitation
Good regulating properties even with small quantities due to slotted bush with graduated regulating slots
Fitted with hand wheel, electrical actuator or hydraulic or pneumatic actuator piston
Product Description
In water mains of sizes DN 50 to DN 150, ERHARD Flow Control Valves in straight or angle pattern throttle and control showing excellent results. Globe type ERHARD Control Valves with body of ductile cast iron (SG GGG-50) are equipped with a fixed slotted cylinder of stainless steel. The control piston guided in PTFE lined slide rings moves within this cylinder covering or opening the ports according to the control position required.
The actual valve seat which is an integral part of the slotted cylinder seals by means of an O-ring in a bubbletight manner. Travel is limited by a fixed stop in fully closed position. The slotted cylinder provides for inoffensive energy conversion, minimizing noise and material stress. The control is very much appropriate for long-time operation under cavitation conditions. The piston is connected to the valve stem without end play. All ERHARD Control Valves are equipped with mechanical position indicator as a standard.
ERHARD Control Valves may be equipped with the following interchangeable operating gears:
توضیحات:
Type
globe
Operation
with handwheel, pneumatic, electrically-actuated, hydraulically-operated
Function
distribution, flow control
Media
for water
Material$
stainless steel, cast iron
DN
Min.: 50 mm(1.969 in)Max.: 150 mm(5.906 in)
Pressure
Min.: 16 bar(232.1 psi)Max.: 40 bar(580.2 psi)
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