AM220 SERIES TOP GUIDED SINGLE SEAT CONTROL VALVES

Product General • Top guided single seat • Unbalanced trim • Heavy loaded • S-streamline liquid channel • Big flow coefficient, wider rangeability and more precise flow characteristic. • High/low temperature in good closed performance and small differential pressure.

AM220 SERIES TOP GUIDED SINGLE SEAT CONTROL VALVES Face to Face according to API 609 T2 Size:1"-12" Pressure:ANSI 150/300/600 Operating temperature：-200℃ to +538℃ Seal Leakage:Per ANSI Fcl 70-2 ClassV/Ⅵ Data to be supplied when ordering • AM220 series valves in accordance with type series booklet-Top guided single seat control valve. • Size, • Working conditions:nature of fluid,pressure,temperatuer,action.

AM220 Single Seat Trim Structure

AM220 Top Guided Single Seat Control Valve

This top guided single seat control valve, compared with AM400 series valves, It needs more output actuator for adopting unbalance plug. With unbalance plug type trim, These valve is specially suited for polymer, slurry materials or high temperature fluids.

*Globe valve with pneumatic actuator.
*Valve body optionally made of cast steel, forged steel, stainless steel and high-alloy steels or special materials.
*Valve plug with metal or soft sealing.

Options
– Extension section or bellows seal
– Buttweld or socketweld connections
– Heating jacket
– Electric actuator
– Additional handwheel
– Reduced trim
– High temperature trim

Fail-safe positions
Depending on how the compression springs are arranged in the actuator, the control valve has two different fail-safe positions which become effective upon supply air failure:
Actuator stem extends (FC)
The actuator springs close the valve when the supply air failure. Also as air to open.
Actuator stem retracts (FO)

The actuator springs open the valve when the supply air failure. Also as air to close.
Accessories . Positioners, limit switches, solenoid valves, etc.

For more details please contact us.

AM220 series top guided single seat control valves