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ASCO H137 Series Hydramotor Valves
Brand: ASCOThe ASCO H137 Series is a cast-iron bodied safety shutoff valve with electrohydraulic actuator for on-off control of combustion gas.
It is designed for boilers, industrial furnaces, dryers, dehydrators, large conversion burners, air heaters, and similar applications.
The self-contained Hydramotor actuator is a powerful, pull-type hydraulic ram providing output force of 1,400 pounds to fully open the valve.
Upon current interruption, dual-redundant relief valves dump hydraulic pressure, closing the valve in 1 second or less.
- Broad ambient temperature range suitable for hot (150° F/66° C) or frigid (-40° F/-40° C) environments
- Slow- or fast-opening constructions make it suitable for a variety of applications
- Type 1 General Purpose enclosure standard, optional Type 4 Watertight enclosure available for outdoor or indoor wash down installations
- Rugged construction ensures high reliability and durability
- Visual indication of valve open & closed position is standard
- Optional electrical interlock proof of closure switch is available
- Mountable in any position for installation flexibility
- UL Listed, FM Approved, CSA Certified
Specifications
Brand
Valve Actuation
- Motorized
Body Material
- Cast Iron
Media
- Natural Gas
Pipe / Port Size
- 2", 2-1/2", 3"
Port Type
- Flange, Female NPT
Function
- 2-Way - 2/2 Normally Closed
Voltage
- 120 AC
Maximum Differential, Maximum Operating Pressure
- Vacuum to 150 psig
Operating Environment
- Hazardous, Indoor, Outdoor
Standards & Regulations
- CSA, FM, Type 4, Type 7, Type 9, UL
