Back To Top
ASCO™ Series 291 Compressed Natural Gas Valve
The ASCO Series 291 line of high-pressure solenoid valves is designed specifically for compressed natural gas dispensing equipment.
The rugged stainless steel piston type valve is built to withstand pressure ratings of over 5,000 psi. The 291 Series high-flow design allows fast CNG dispensing and reduced vehicle fill times
ASCO™ Series 291 Compressed Natural Gas Valve

Specs

Valve Actuation
Solenoid - Air Pilot
Body Material
Stainless Steel
Media
Natural Gas
Pipe / Port Size
1/2 "; 3/8 "; 1 "
Port Type
ISO228/1-G BSPP; NPTF; SAE
Function
2 way - 2/2 Normally Closed
Flow
From 1.0 Cv to 2.0 Cv; From 2.0 Cv to 6.0 Cv; From 6.0 Cv to 14.0 Cv
Voltage
24 AC; 110 AC; 115 AC; 120 AC; 220 AC; 230 AC; 6 DC; 12 DC; 24 DC; 48 DC; 120 DC; 240 DC - 50/60
Max Differential / Max Operating Pressure
More Than 34.5 Bar; More than 500 PSIG
Operating Environment
Hazardous; Indoor; Outdoor
Standards / Regulations
Class I Div 1; CSA; UL

Features

  • Standard explosion-proof and watertight coil permits use in Class I, Division 1 hazardous locations
  • Wide ambient temperature range of -40° F to 158° F (-40° C to 70° C) is suitable for extreme conditions
  • PEEK piston provides tight sealing and durable operation
  • Available in 3/8, 1/2 and 1 -inch pipe sizes and ISO, NPT or SAE threaded ports
  • High flow design with Cv up to 8.8 (Kv 7.6) for rapid vehicle filling
  • Mountable in any position for convenient installation
  • Optional three- and six-station manifolds save space, reduce leakage paths, and cut maintenance