GRACO 22200 is a back pressure valve with a carbide needle and seat designed to control pressure in an air assisted circulation system and ensure proper circulation and performance of spray equipment (NOS) Fluid Restrictor/ Back pressure valve 3/8” NPT female inlet/outlet Stainless steel housing with PTFE and Carbide internal components This unit was sent back to Graco and rebuilt by them and has sat on shelves since.
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