Dewrance Wedge Gate and Parallel Slide Gate Valves

Class 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