Air Actuated High Performance Butterfly Valves

Air Actuated Carbon Steel Butterfly Valve Wafer Type with CH-air A Type DA actuator

PA6911C Carbon steel wafer pattern air operated high performance butterfly valve with A Type pneumatic actuator.

Overview: DA Double acting air actuated wafer butterfly valve, WCB carbon steel body, stainless steel disc, RPTFE seat, suits PN16 flanges, supplied fully assembled and dry bench function tested with CH-air actuator fitted via a mounting kit, for applications with a maximum working temperature of +150C.

Function: Single acting or spring return pneumatic actuator. Air to open, spring close. Fails closed on loss of air pressure.

Select Actuator Function:

Sizing Criteria:
Pneumatic actuators have been sized on a maximum pressure wet service

Position control with a Namur pilot solenoid.
Position confirmation limit switch box.
Modulating control with positioner.
Higher temperature service possible using a metal seat, ask for details.

No Datasheets.
Part No PA6911C
CH-air A Type ATEX Approved Pneumatic Actuator Overview
TypeRack and pinion
Body MaterialHard anodised aluminium
End CapsDie cast aluminium
PistonsDie cast aluminium
PinionNickel plated steel
Spring TypePre-compressed cartridge type
Spring materialEpoxy coated spring steel
SealsNBR Nitrile Rubber
Sliding PartsAcetal resin
GreaseHigh performance synthetic
FastenersAISI 304 Stainless Steel
StandardsNamur, ISO5211 & DIN3337, VDI-VDE-3845
ApprovalsCE 2006/42/CE, ATEX EXII 2 GD 2014/34/UE, SIL-3 to IEC61508 & 61511
ExclusionsExcluded from PED 2014/68/UE Clause 1.2.j.ii
ManufacturerEU Manufacturer
High Performance Eccentric Butterfly Valve Overview
Body MaterialCarbon Steel
Disc Material316SS CF8M
Liner MaterialRPTFE
End ConnectionsWafer to mount betweent betwen PN16 flanges
Max Working Pressure16 bar cold non-shock
Working temperature range-20C to +200C
No connections.
CH-air A Type Pneumatic Actuator 3D Video

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