27 Series Pilot Operated Check Valves 2778D5900Z

- Poppet construction for near zero leakage
- Manual or remote trapped pressure release when pressure is removed from the Blowdown Signal Port (BP)
- Inline Mounting
2778D5900Z
Quantity
Estimated Ship Date: 08/27/2026
*Estimated Ship Date based on standard manufacturing times for quantities of 10 or less. Shipments will be made anywhere in the United States.
Product Information
| Series | 27 |
| Construction | Poppet |
| Ports 1-2 Flow | 8.5 Cv (8364 Nl/min) |
| Length | 4.38 in (111.3 mm) |
| Width | 2.91 in (74.2 mm) |
| Height | 5.77 in (146.5 mm) |
| Weight | 4.2 lb (1.9 kg) |
| Valve Function | 2/2 Pneumatic PO Check |
| Default | Normally Closed |
| Actuation | Electrical |
| Pressure Release Type | Remote Pressure Relief |
| Port 1 Size | 3/4" |
| Port 2 Size | 3/4" |
| Thread Type | NPT |
| Voltage | 110/120 VAC |
| Power Consumption | 8 VA inrush, 6 VA holding |
| Electrical Connection | EN DIN 175301-803 Form A |
| 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 | 15 to 150 psig (1 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 |
