Valve body for sleeve valve
Sound proofed valve for fluid under pressure
Polyjet valve with backwash
ApplicationNo. 09/948258 filed on 09/07/2001
US Classes:137/15.06, Valve or valve seat cleaning137/219, LARNER-JOHNSON TYPE VALVES; I.E., TELESCOPING INTERNAL VALVE IN EXPANDED FLOW LINE SECTION137/239, Reverse fluid flow137/625.3With metering feature
ExaminersPrimary: Michalsky, Gerald A.
Attorney, Agent or Firm
International ClassesF16K 3/26 (20060101)
F16K 3/00 (20060101)
AbstractA multiple opening sleeve valve is provided with a gate movable to control flow or pressure without the need for axial movement of a component through a pressure-containing seal. A gate actuator can include a drive rod and nut coupled to a gate substantially internal to the valve housing without the need for grease or similar external lubrication. The valve can provide for relatively high in-line gate-moving force, a reduction in force or torque requirements for operation, increased ease of wear-part replacement and decreased overall valve length, compared to previous valve configurations of comparable size or capacity.