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Sempell Model VA540 High Pressure Stop Valve
Sempell VA540 High Pressure Isolation Valve
For all isolation applications in water-steam systems
Sempell Model VA540 High Pressure Stop Valve


ASME – NPS 2 ½“ – 3“
Pressure rating:
Class 1690 STD/LTD
Class 2680 STD/LTD
–29°C to 600°C
(–20°F to 1100°F)
Body material:
SA 105
SA 182 F12
SA 182 F22
SA 182 F347
SA 182 F91
SA 182 F92
Other materials available on request
Butt weld ends acc. to ASME B16.25


  • T-Pattern globe type
  • Body made of forged steel
  • Wear resistant stellite body seat
  • Conical seat with line contact sealing
  • Visual position indicator
  • Non–rising hand wheel
  • Prepared for later automation
  • Low pressure loss due to optimized flow path
  • Small driving forces
  • Easy maintenance
  • Code compliance with ASME B16.34, DIN/EN and PED,