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Sempell High Pressure Gate Valve
High Pressure Gate Valve
High pressure forged valves provide the ideal solution to harsh service conditions, like elevated temperature and pressures.
Sempell High Pressure Gate Valve


CE, ASME B31.1, India Boiler Registration, PED
End Connection
Butt Weld
Steam turbine, Steam Headers, HRSG, Pumps, Valves & Manifolds, High Temp, General Service, Balance of Plant
Body Design
Short Pattern, Long Pattern
Alloy, Carbon Steel, Stainless Steel, Steel, Metal
Operating Temperature
High Temperature
Pressure Class
Process Connection Type
Seat/Seal Type
Metal-to-Metal, Parallel Slide, Wedge
Shutoff Class
Class V (FCI 70-2)
ASME B16.34
Valve Size
5 inch, 6 inch (DN150) and Larger, NPS 2 / DN 50, NPS 3 / DN 80, NPS 4 / DN 100, NPS 2-1/2 / DN 65, NPS 6 / DN 150
Valve Size Standard
Valve Type
Hot Water, Steam, Water


  • High quality forged materials to guarantee a superior performance and to sensibly decrease operating costs and delivery times.
  • Valve design in accordance with ASME B16.34, API 600, ISO, DIN, TRD, VGB, TRB, PED standards.
  • Applicable for high pressure ratings (PN 720) and for temperature up to 650°C.
  • In full compliance with the Health, Safety and Environment requirements to avoid any risk of fugitive emissions.
  • Conforms with the European Pressure Equipment Directive n°2014/68/EU (CE mark 100% compliance).
  • Extraordinary tightness obtained by a specific gasket design and packing in pure graphite.
  • Technologically advanced pressure seal bonnet design is offered as standard to ensure a perfect body-bonnet tightness and to facilitate any maintenance operation.
  • Standard configuration: flexible split wedge. The wedge guide is welding-free as integral to the valve body.
  • Parallel slide configuration available upon request.
  • Special constructions and materials available to suit customers’ request.
  • Stellite Gr.6 overlay on seats and wedge or disc; 13% Chrome on backseat.
  • Valves are offered as standard with manual operators (Hand wheel or bevel gear depending on size). Actuated options such as electric, pneumatic or hydraulic are available.


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