These top-of-the-line valves are comparable to Asco Red Hat 8210G Series and Parker Gold Ring 23C Series.

Designed for controlling single-acting, spring-return air cylinders, these valves have a third threaded port to exhaust media.

Turn the knob to adjust how much these valves will open or close when actuated. They are often used in irrigation and landscaping applications.

Use with coolant and detergent such as ethylene glycol or soap solutions.

To change the flow rate of antifreeze and cleaning solutions, use the adjustment screw or knob to manually set how much these valves will open when actuated.

Safe for automated on/off control in drinking-water systems, these valves meet NSF/ANSI Standard 61.

Repair actuated on/off valves from Asco, Burkert, Granzow, and Parker with these kits that include replacement seals, plunger assemblies, and springs.