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Auto Compensation Parallel Double Disc Slab Gate Valve

Auto Compensation Parallel Double Disc Slab Gate Valve

    The SV auto compensation balanced parallel double disc slab gate valve is a new gate valve with new structure, which has small operate torque, high speed, little vibration, long service life, reliable performance and safe operation. The SV parallel double disc slab gate valve is mainly applied to cut off or discharge in gas or liquid pipelines.

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  • Features
  • Specification

  • The SV parallel double disc slab gate valve has sealing structure consisting of two parallel discs and wedge tightening device to replace the traditional wedge type gate valve sealing structure;
  • The components of SV parallel double disc slab gate valve sealing mechanism are separated to make sure the sealing performance when deformation caused by temperature, and the disc won’t get stuck duo to expanding caused by high temperature;
  • In high temperature and high pressure working condition, the disc of inlet side is designed with pressure self relief which can avoid abnormal pressure increasing in cavity caused by temperature change to ensure safe operation.

Product range:

  • Size: DN25DN1100, 1’’ 44’’
  • Pressure rating: PN16PN420, 150lbs2500lbs
  • End connection: Flanged RF, BW
  • Body materials: WCB, LCB, CF8, CF8M etc.
  • Seat materials: A105+PTFE, LCB+PTFE, F304+PTFE, F316+PTFE
  • Operation: handwheel, gear, electric, pneumatic

Technical standards:

  • Design: API 6D
  • Face to Face: API 6D
  • Flanged ends: ASME B16.5
  • Test and inspection: API 598