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Dewrance Wedge Gate and Parallel Slide Valves

Dewrance Wedge Gate and Parallel Slide ValvesClass 600

Parallel Slide and Wedge type gate valves, designed for use in power industry applications.

Features & Benefits:

Excellent Reliability

  • Self cleaning action between disk & seat
  • Welded-in seats hard-faced with Stellite® or Equivalent
  • Low Cost Maintenance
  • Lower operating forces than wedge gate design
  • Interchangability of parts
  • Simplified seat refurbishment (only requires flat lapping, no critical angles to be matched to ensure sealing capability)

Improved Performance

  • Lower pressure drop characteristic than wedge gate valve
  • Reduced actuator size/cost by 30% when compared to wedge gate
  • Improved sealing assisted by line pressure
  • Low operating torque, seals on position not torque