Adjust the flow rate as needed.

Set your flow rate and then adjust it as necessary; these valves maintain flow rate despite pressure changes in the system.

Start and stop flow with a quarter turn of the handle. Also known as ball valves.

Also known as check valves, these open to allow flow in one direction and close when flow stops or reverses.

Direct flow with an electronic signal.

Set a specific pressure and these valves will maintain it by diverting excess fluid to a tank.

Control flow with an electrical signal.

Turn the knob to gradually adjust the amount of flow.

Control the direction of flow or stop flow altogether.

To set the pressure, unscrew the cap and turn the adjusting screw.