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ARI-PRESO Spring acting maintenance-free bellows seal self-operated pressure regulating valve
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ARI-PRESO Spring acting maintenance-free bellows seal self-operated pressure regulating valve



Ÿ
Spring loaded

ŸBellows seal

ŸCompact design

ŸRegulating plug

ŸShaft plug guide

ŸExact and easy adjustment

ŸProportional flow characteristic


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Description



Ÿ
Spring loaded

ŸBellows seal

ŸCompact design

ŸRegulating plug

ŸShaft plug guide

ŸExact and easy adjustment

ŸProportional flow characteristic



ARI-PRESO Spring acting maintenance-free bellows seal self-operated pressure regulating valve is a spring loaded differential pressure-control valve. The main applications are: Pump protection, application in bypass lines from users and parallel to piping systerms. It secures a minimum flow, avoid to higher differential pressures and the flashing in condensate systems.

Main Parameters
Nominal diameter: DN15 – 100
Nominal pressure: PN16
Valve material: EN-JL1040,EN-JS1049,1.0619+N,4.4408
Connection: Flange
Fluid medium: Gases, Vapours and Liquids

Model Category


ARI-PRESO Spring acting maintenance-free bellows seal self-operated pressure regulating valve
1)Product design
The compact structure design of spring loaded,bellows sealing and throttle valve head makes the product adjustment more exact and easy.
2)Pressure range
0.5-1.5bar;1.0-3.0bar;2.0-5.0bar;4.0-10.0bar
3)Product application
Pump protection: Preso inserted parallel to the pump, this secures a minimum flow.
Application in bypass lines from users, e.g. heat exchanger in thermal oil systems to sustain a minimum flow.
Parallel to piping systems to avoid to higher differential pressures.
Pressure maintaining valve to avoid the flashing in condensate systems.

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