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> ST280 Series Pressure Unloader
> ST280 Series Pressure Unloader
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![]() ST280 Series Pressure Unloader
Pressure Activated
Adjustable Pressure Unloader Valve. Maximum flow rate to 8 gpm. Pressure activated design. Maximum temperatures to 176° F. Can be used with single or multiple spray wands. Ports are 3/8" FPT. Brass bodies with Buna seals.
Not for use with Weep Guns |


