Adams Valves Inc.

Adams Valves Inc.

Model OSK - Block & Control Valve



Compact external dimensions, short face-to-face dimensions at all pressure ratings, and low weight make the OSK an economical valve for pipelines transporting liquids or gases. The streamlined, duo-eccentrically mounted disc, together with the conical sealing system, ensure a smooth-flow passage. The continuous seal provides tight shut-off and low friction and wear characteristics. The shaft runs in self-lubricated bearings housed outside the flow stream and sealed against the media by O-rings or graphite rings. Rubber-lined carbon steel valves and anti-corrosion materials guarantee low maintenance, versatility, and long service life.

Nominal Diameters:

  • 200 mm / 8 inches to 4200 mm / 168 inches

Temperature Range:

  • -50°C / -58°F to +150°C / +302°F

Pressure Class:

  • PN 2,5/6/10/16/25/40/64 ANSI 150/300/400


  • tight shut-off and throttling with resilient seal
  • bi-directional tightness
  • fabricated construction
  • operation: manual, electric, pneumatic, hydraulic


  • gas-tight shut-off
  • compact construction
  • low weight

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