27 Series Pilot Operated Check Valves D2768D3904

- Poppet construction for near zero leakage
- Manual or remote trapped pressure release when pressure is removed from the Blowdown Signal Port (BP)
- Inline Mounting
Need Help? No Problem!
Customer Service
Technical Service
+33-(0)1-49-45-65-65
Need Help? No Problem!
Customer Service
Technical Service
+33-(0)1-49-45-65-65
Product Information
Series | 27 |
Construction | Poppet |
Ports 1-2 Flow | 2.9 Cv (2854 Nl/min) |
Length | 3.38 in (85.9 mm) |
Width | 2.38 in (60.5 mm) |
Height | 3.11 in (78.9 mm) |
Weight | 2.3 lb (1.1 kg) |
Valve Function | 2/2 Pneumatic PO Check |
Default | Normally Closed |
Actuation | Pneumatic |
Pressure Release Type | Manual Pressure Relief |
Port 1 Size | 3/8" |
Port 2 Size | 3/8" |
Thread Type | G |
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 |