50 mm Class 600 Hydraulic Actuator operated Gate Valve with Fail Close Mechanism (Spring Return to Close) Specifications

  • 50mm Hydraulic Operated Forged steel Gate valve. Design Standard: API 600/ API 6D
  • Testing Standard: API 598
  • Normal working pressure: 102 Bar Body Test Pressure: 153 Bar
  • Seat Test Pressure: 112 Bar
    Flang details :
      • Class – 600#
      • Standard : ASME B 16.5
      • O.D. : 165mm
      • I.D. : 127mm
      • No. of Bolts: 8 Nos
      • Hole Size: 19mm
      • Ends: ’0′ ring with ‘0’ ring grooves
  • Working Pressure: 102 Bar
  • Body Test Pressure: 153 Bar
  • Seat Test pressure: 112 Bar
  • Actuation: Hydraulic Cylinder
  • Oil pressure: 85 bar
  • Stroke: 60mm
  • Closing time: less than 10 sec.
  • Working: linear Actuation of Gate valve (Size 50nb).

                 The gate valve will open against spring tension when a hydraulic pressure of 85 bar is applied. When the hydraulic pack is shut off manually or due to electrical failure, then the spring tension will push the piston down to close the Gate valve. The springs will be on the top side or bottom side of the single acting double ended hydraulic (depending on fail close or fail open application) cylinder.

  • Application: This valves was used by the customer for the Reverse Brake Jet assembly of the Pelton Turbine s shown in the figure in the next page.