Hippo Piston Air Operators for Remote Operation

To 60,000 psi

Hippo Piston Air Operators are available for both normally open service (spring to open/air to close) and for normally closed service (air to open/spring to close). These piston air operators provide remote automatic on/off operation of valves and can be controlled by means of an air regulator, an electrical solenoid, or a manual low pressure valve in the user's air supply line. Air inlet is 1/8" NPT. Air pressure requirement ranges from 35 psi to 120 psi.

These operators may be supplied with the valves and operating pressures shown in table.

20-11LF4-MPO-NC (normally closed)
20-12LF6-HPO-NO (normally open)

OPTIONS: Stems & Seats Carbide, ceramic
Stellite (for cyclic service)
  Valve Bodies Hastelloy C, Hastelloy B
Inconel 600, Inconel 625
Incoloy 800, Incoloy 825
Titanium Grade 2, Titanium 6AL4V
  Packing PolyPak, High Cyclic
  Temperature Considerations. Extended stuffing box for temperatures from -423°F to 1,200°F (medium and high pressure connections only)

Normally Open (Spring To Open/ Air To Close)

ID: 202: Normally Open (Spring To Open/ Air To Close):4ao:1:6

Normally Closed (Air To Open/ Spring To Close)

ID: 203: Normally Closed (Air To Open/ Spring To Close):4ao:2:6


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