Sempell Dewrance Low Pressure Parallel Slide Valve

Sempell Dewrance Low Pressure Parallel Slide Valve

Sempell™ parallel slide gate valve for low pressure with low operating torque. Lower pressure-drop and lower operating force compared to wedge gate valve. Seals on position not torque. DN65-500, ASME Class 300 och 600.

Any questions?

Henna Ketoja
Inside Sales Engineer
Mob. 400 612 124

Tommi Penttilä
Sales Manager Conventional Power
Phone. 0207 416 208

Certifications India Boiler Registration, ASME B31.1, PED
End Connection Butt Weld, Flanged
Application Boiler, Balance of Plant, Steam turbine, Steam Headers, HRSG, High Temp, Evaporators & Recovery Boiler, Cogeneration, Boilers
Body Design Top Entry, Long Pattern
Material Carbon Steel, Steel, Alloy
Operating Temperature High Temperature
Pressure Class ASME
Process Connection Type CL600RF, CL300RF, BWE, 600RF, 300RF
Seat/Seal Type Parallel Slide, Metal-to-Metal
Shutoff Class Class V (FCI 70-2)
Standards ASME B16.34
Style Direct-Operated
Valve Size 5 inch, 6 inch (DN150) and Larger, NPS 2-1/2 / DN 65, NPS 3 / DN 80, NPS 4 / DN 100
Valve Size Standard NPS
Valve Type Gate
  • Excellent reliability
  • Self cleaning action between disk and seat
  • Welded-in seats hard-faced with Stellite® or equivalent
  • Low cost maintenance
  • Lower operating forces than wedge gate design
  • Interchangability of pa
  • 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

Questions about the product?

Fill out the form below and we will contact you with answers to your questions