Account
Contact Us
 
AMOT Offices

Customer Service - Americas
Tel: +1 888 566 2668

Customer Service - Europe, Middle East and Africa
Tel: +44 1284 715739

Customer Service - Asia Pacific
Tel: +86 21 5910 4052

Customer Service - Germany
Tel: +49 40 8537 1298

Customer Service - India
Tel: +91 77100 26802

Send us a Message


 
International Distributors Find a Local Distributor
 

PVX Pneumatic Spring Return Air Shut Off Valve

SKU PVX (CE218)

The Chalwyn PVX pneumatic spring return butterfly valve uses a spring return rotary actuator. It is available in two basic versions:

  • Air pressure to open / spring return close on loss of air pressure (failsafe)
  • Air pressure to close / spring return open on loss of air pressure

Both versions are designed to work with direct pressure operation in either automatic or manual systems.

Features

  • For use in automatic or manual shutdown systems
  • Operating pressure range 43.5 to 116psig (3 to 8bar)
  • Slim-fit 3”, 5”, and 8” (76mm, 127mm, and 203mm) valve body
  • Basic flange mount with hose adaptors available (1½” to 8” | 38 to 203mm)
  • Valve bodies and discs are PTFE coated hard anodized aluminum
  • Shaft and mechanisms are stainless steel

Applications

Failsafe PVX-300, PVX-500, PVX-800

  • Pressure to open/loss of pressure to close
  • Failsafe application to meet EU ATEX 94/9/EC defined hasardous areas
  • Zone 1 and 2 applications to EN 1834 engine safety standards
  • US offshore engines to Class 1 Div 1 safety standards
  • International offshore platform engine installations

PVX-301, PVX-501, PVX-801

  • Petrochemical and LNG refineries
  • All international areas where non-failsafe is permitted
  • US offshore BOEMRE safety standards
  • Zone 2 fire pump engine offshore applications
  • Vehicles with air brakes
Configure this part:

ENGINEERING UNITS


IMPERIAL METRIC
More Information

ENGINEERING UNITS


IMPERIAL METRIC
Size (in) 2.5"
Size(mm) 65
End Connection Hose Barb
Actuation Pneumatic
Position Indication Available No
Connectors TBD
Position Indication Logic Valve Open - Switch Open
Side Left
Elbow Kit Valve Only (No Elbow)
Style Butterfly
Max Air Intake Temp (F) 257
Min Air Intake Temp (F) -40
Max Pressure (psi) TBD
IP Protection No
Hazardous Location Certification No
Power To Close or Energize To Run (Fail Safe) Fail Safe
Reset Auto Reset