The AH4 High-Low-Off actuator is operated by two independent SPST line voltage controllers which provide an on-off safety circuit. The Hydramotor Ah4 are three-position push-type, self-contained, electrohydraulic linear actuators. It features an electronic controler for accurate positioning. The V710 valve body is supplied with either a linear or parabolic guide having linear flow characteristics for best control performance in the High-Low-Off control system. The V710 Valve body is watertight. The combination can be mounted in any position.
The Hydramotor AH8 / V710 has a safety shutoff and proportioning control with low fire positioning in one unit. It is an integral transformer, provides simplified and is less costly wiring. The AH8 has a mechanical low fire adjustment which is made externally while actuator is energized. The AH8/V710 actuator must be mounted in the upright position. The Hydramotor Gas Valve AH8 / V710 is a proportioning control with low fire positioning. It is a line voltage actuator which permits limit and safety controls to be wired directly into line voltage power circuit. The Hydramotor AH8 provides adjustable low fire positioning and proportioning control between low and high fire positions. It is a modulating, push-type, self-contained and electrohydraulic linear actuator.
The Hydramotor AH14 / V710 actuator has a separate on-off and is electro-hydraulic. It is for use in conjunction with safety shut-off valves in semi-automatic gas-fired single burner, boiler and furnace applications.
These valves consists primarily of two components: the AH actuator and the V710 valve body.
Hydramotor Gas Valves are with or without valve seal overtravel interlock (FM Proof of closure). For on-off main line gas control.
Slow or fast opening models with spring return shutoff of less than one second for boilers, furnaces, ovens and all types of gas-fired commercial and industrial burners.
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