Pressure sustaining valve HM-SPdiaphragmpilot-operatedfor water
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Characteristics
- Type
- diaphragm
- Operation
- pilot-operated
- Function
- pressure sustaining
- Media
- for water
- Body
- with flange, threaded
- Applications
- for industrial applications, for the food industry
- Other characteristics
- ISO, DIN, ANSI, with internally-threaded connectors
- DN
Max.: 600 mm
(23.622 in)Min.: 50 mm
(1.969 in)- Pressure
25 bar
(362.6 psi)- Flow rate
Max.: 5,400 m³/h
(190,699.2 ft³/h)Min.: 16 m³/h
(565.03 ft³/h)
Description
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 open gradually to allow surplus water flow outside the system in order to maintain system pressure to a maximum pre-set value. A hydraulic regulating pilot drives the valve. The pilot is able to detect upstream pressure values and regulates closing steps of the valve until the pre-set pressure value is restored.
TYPICAL APPLICATIONS
Preventing of pipeline emptying; maintaining of pre-set pressure where level variations occurs: limitation of operating pressure values in closed ring systems.
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