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
Options: 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.
Part No PA6911C | |
CH-air A Type ATEX Approved Pneumatic Actuator Overview | |
Type | Rack and pinion |
Body Material | Hard anodised aluminium |
End Caps | Die cast aluminium |
Pistons | Die cast aluminium |
Pinion | Nickel plated steel |
Spring Type | Pre-compressed cartridge type |
Spring material | Epoxy coated spring steel |
Seals | NBR Nitrile Rubber |
Sliding Parts | Acetal resin |
Grease | High performance synthetic |
Fasteners | AISI 304 Stainless Steel |
Standards | Namur, ISO5211 & DIN3337, VDI-VDE-3845 |
Approvals | CE 2006/42/CE, ATEX EXII 2 GD 2014/34/UE, SIL-3 to IEC61508 & 61511 |
Exclusions | Excluded from PED 2014/68/UE Clause 1.2.j.ii |
Manufacturer | EU Manufacturer |
High Performance Eccentric Butterfly Valve Overview | |
Body Material | Carbon Steel |
Disc Material | 316SS CF8M |
Liner Material | RPTFE |
End Connections | Wafer to mount betweent betwen PN16 flanges |
Max Working Pressure | 16 bar cold non-shock |
Working temperature range | -20C to +200C |