Gate Valve

Product Overview

Gate valve refers to a valve whose ending member ( gate) moves in the perpendicular direction of the center line of the passage, substantially constructed by valve body, bonnet, stem gate, sealing quilting, handwheel/ gearbox and other factors. Typically the two ends of the valve are connected to the channel with flange using superstuds and nuts.

Applications

  • It is used in oil and gas pipelines.
  • It is used in fire service water control valves.
  • It is used in intercity gas transmission pipelines.
  • It is used for tap water and sewage treatment projects.

Specifications

(OS & Y) SERIES 21F

  • Size Range: 50 mm (2) to 250 mm (10)
  • Operational Mode: Manual Hand Wheel
  • Rated Working Pressure: 250 PSI (1725 Kpa)

(OS & Y) SERIES 21H

  • Size Range: 50 mm (2) to 400 mm (16)
  • Operational Mode: Manual Hand Wheel
  • Rated Working Pressure: 175 PSI (1207 Kpa); 150 PSI (1034 Kpa)

NRS Series 21 E

  • Size Range: 50 mm (2) to 250 mm (10)
  • Operational Mode: Car Top (Operating Nut)
  • Rated Working Pressure: 250 PSI (1725 KPa)

Features

  • It has metal to metal seating for longer service life.
  • It has accurate interchangeability of components.
  • It has accurate parallelism between side flanges.
  • It has machining and press fitting of body and wedge rings.
  • It has best finish on spindle threads which results in low friction and smooth operation of valves.
  • It has leak-tightness.
  • Pressure (Kg/Cm^2) Minimum: (OS & Y) SERIES 21F/ NRS Series 21 E – Body - 35.15; Seat - 17.57.