Drain vent for petrochemical/chemical fluid pumping device and method of making the same

摘要

A fluid pumping device 10 for use in the petroleum and/or chemical industries includes a cast fluid housing 11 having an inlet 13 to or an outlet 13 from the fluid pumping device, a drain/vent tubular connection 12 extending through the cast fluid housing to communicate with the inlet to or the outlet of the fluid pumping device and a flange adapter 20 sealingly secured to the cast fluid housing 11. A method of providing a drain/vent tube 12 to structurally communicate with an inlet 13 to or the outlet 13 from a fluid pumping device is disclosed.