| 摘要 |
<p>A high pressure fluid pump (10) supplies fluids to a water blasting or cutting gun (14). The pump (10) is preferably of the in-line type, wherein both an inlet check valve (60) and a discharge check valve (62) move linearly along the axis (40) of the plunger (30) during a complete pumping cycle. Seal ring (66) is provided for sealing between a front planar face (114) of the suction valve seat and a rear planar face (112) of the plunger housing. A weep path (116) extends radially outward from the seal ring (66) to release fluids which pass by the compressible seal ring.</p> |
