Manufacturer: Asco General Controls
Description: 2.5"120vN/C GasValve,W/AuxSw.
Sub Category: Combustion Valve Assemblies
H118 Hydramotor® Operated
Gas Shutoff Valves
Cast Iron Body
The normally closed H118 is a combination Hydramotor
actuator and safety shutoff/control gas valve. It is used
for commercial and industrial burners in applications such
as furnaces, dryers, dehydrators, conversion burners
The cast iron, globe-type valve body features a soft
synthetic seat and integral heavy-duty return spring for
tight and certain closure in one second or less upon
The self contained, hermetically sealed, pull-type electro-
hydraulic actuator consists of a motor/pump unit immersed in oil, reducing wear and provides highly
Fluid: Fuel gas
Opening Time: 28 second max.
Closing Time: 1 second max.
Enclosure: Type 1 General Purpose standard
Type 4/7 Watertight/Explosion proof optional
Ambient Temperature: -40°F to 150°F (-40°C to 66°C)
Body Class: Cast Iron, 1" to 3" - 250# screw, 4" - 125# flange
Pipe Taps: 1/4" upstream & downstream taps for routine leak testing
Power Requirement: 158 VA max (1-3"), 288 VA max. (4")
Standard Voltage: 120V/60Hz
One integral SPDT switch, 15A@120V, 7.5A@240V, (1800VA max). Actuates at
full open position of actuator stroke (not adjustable). Up to 6 adjustable yoke
mounted switches may be added.
Proof of Closure Switch:
Optional factory set non-field adjustable SPDT switch, 15A@120V, 7.5A@240V
Multi-poise, may be mounted in any position.
CSA Certified to:
1) Automatic Gas Safety Shutoff Valves C/I (3.9),
Replaces Part Numbers: H118AK122F1, CARH118AK122F1