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27 Series Pilot Operated Check Valves 2751A4905

Actual product may differ from above image. Product details should be verified before purchase.
  • 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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2751A4905

$245.00

Quantity

Estimated Ship Date: 07/17/2025

*Estimated Ship Date based on standard manufacturing times for quantities of 10 or less. Shipments will be made anywhere in the United States.

Need Help? No Problem!

Customer Service

1-800-GET-ROSS

Technical Service
1-888-TEK-ROSS


Product Information

Series 27
Construction Poppet
Body Size 3/4"
Ports 1-2 Flow 7.7 Cv (7577 Nl/min)
Length 4.45 in (113 mm)
Width 3.15 in (80 mm)
Height 4.42 in (112 mm)
Weight 2.3 lb (1.0 kg)
Valve Function 2/2 Pneumatic PO Check
Default Normally Closed
Actuation Pneumatic
Pressure Release Type Not Included
Port 1 Size 1/2"
Port 2 Size 1/2"
Thread Type NPT
Mounting Inline
Ambient Temperature Range 40 to 175 F (4 to 80 C)
Media Temperature Range 40 to 175 F (4 to 80 C)
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