Gate Valves – Pressure Seal
Gate Valves – Pressure Seal
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Kent Pressure Seal Valves are intended for high pressure and high temperature applications for all types of fluids, except where severe coking may occur. Because of their design and materials of construction, pressure seal valves are an excellent choice for nuclear steam generating stations, industrial/chemical plants, and thermal power plants. Pressure Seal Valves offer efficiency in flow passage and sealing, weight saving, ease of installation and simplicity in maintenance. The basic concept of pressure seal valves is that the initial bonnet pull up bolts tighten the bonnet, which in turn seals the pressure seal gasket to the body. Then the system pressure assist provides more force to seal the gasket. Hence, as system pressure increases, the potential for leakage through the body/bonnet joint decreases.
Specifications Details
Design Standard API 600, ASME B 16.34, MSS SP-144
Pressure/Temperature Chart ASME B16.34
 Face to face Dimension ASME B16.10
Testing Standard API 598
Flange Details ASME B16.5 UP TO 24″

DIN / BS / IS / JIS

Butt-Weld End Details ASME B16.25
Size Range 2″ – 24″ (DN50 – DN600)
ASME Class Class 900 to 2500
Materials A105 / LF2 / LF3 / F316 / F304 /F316L / F51 / F55 / F6a / WCB / LCB /
LCC / CF8M / CF8 / CF3M / 4A / 6A / Inconel
Trims F6a / F316 / F304 / F316L / F51 /
F55 / Inconel / Stellied or Hardfaced
Ends Flange ends, Butt-weld End
Operation Manual, Electric

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