Suction valve for high pressure slurry pump

Details Suction valve for high pressure slurry pump Suction valve for high pressure slurry pump

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 53/10 (2006.01) E21B 21/01 (2006.01) E21B 21/10 (2006.01)

Patent

CA 2065663

PATENT C-56218 ABSTRACT Where on the valve seating surfaces due to the high pressure pumping of abrasive slurry through an in-line valve is greatly reduced by providing first and second valve seating surfaces which are engaged, respectively by first metal and first elastomeric closure surfaces and second metal and elastomeric closure surfaces located on an annular valve closure means. Pumping efficiency is maintained by providing for high velocity sweep in an annular space between the annular valve closure means and the cylinder in which it rides.

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