27 Series Pilot Operated Check Valves 2751A5917

  • Poppet construction for near zero leakage
  • Manual or remote trapped pressure release when pressure is removed from the Blowdown Signal Port (BP)
  • Inline Mounting

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Product Information

Series 27
Construction Poppet
Valve Function 2/2 Pneumatic PO Check
Default Normally Closed
Actuation Pneumatic
Thread Type NPT
Mounting Inline
Ambient Temperature Range (Celsius) 4 to 80
Media Temperature Range (Celsius) 4 to 80
Flow Media Filtered Air
Operating Pressure 30 to 150 psig (2 to 10 bar)
Valve Body Material Cast Aluminum
Poppet Material Acetal and Stainless Steel
Seal Material Buna-N
Safety Category Category 1
PL Rating PL c
Safety Integrity Level SIL 2
DGUV Certification No
CE Certification No
EAC Declaration Yes
CSA/UL Certification No
Pressure Release Type Remote Pressure Relief
Width (mm) 55.9
Weight 2.9 lb (3.1 kg)
Port 1 Size 3/4"
Port 2 Size 3/4"
Length (mm) 109.2
Height (mm) 105.9
Ports 1-2 Flow (Nl/min) 9053