Stem design permits pressure equalization across stem seat allowing ease of operation at high pressures.

Standard seat disc and stem "0" ring packages are Buna-N material. Viton "0" rings and teflon discs available on all sizes. Viton disc available on some sizes. Springs are stainless steel.

Maximum working pressure is 400 WOG. All sizes (see chart below) are available with squeeze, pull or lift type levers. Available also less lever and bracket.

Air actuated control valves are available in l/4", 3/8", l/2", 3/4", 1" and 1 -l/4" NPT sizes

This valve is widely used for agricultural spraying, carwash systems, high pressure washers, liquid transfer, air and liquid control applications.

*Figure 305B-21L, 305B-31L and 305B-41L - (Lock Type) provides a device for locking the valve in an open position for long or continuous use. Available in l/4", 3/8" and l/2" NPT sizes.