Standing Valve Cage for Tubing 2-7/8"
Standing valve cage is one of Sucker Rod Pump (SRP) components,including the open valve cage (plungers of rod and tubing pumps with valve rod),Closed valve cage (bottom traveling valve of rod and tubing pumps with double valves).standing valve cage material is low-alloy steel,stainless steel,Corrosion-resistant brass alloy,monel metal alloys.
