Check Valves – Pressure Seal

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.

Specifications	Details
Design Standard	BS 1868, ASME B16.34, MSS SP-144
Pressure/Temperature Chart	ASME B16.34
Face to face Dimension	ASME B16.10
Testing Standard	BS EN 12266, Part-1 / 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 150 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	Hydraulic as required

Check Valve design complies to BS EN 1868, ASME B 16.34, MSS SP-144.
Pressure-Seal mechanism utilizes line pressure to enhance seal; ensures sealing integrity at higher operating pressures.
Cast body precisely machined with integral flanges.
No penetration of hinge pin to outside eliminating possibility of pin seal leakage and allowing for in-line service.
Hinge pin is precisely machined and mounted on the body internally.
Hinge is pivoted to the hinge pin inside the body.
Disc nut secures the disc to the hinge. It allows the disc to rotate about its axis and assist in tight shut off.
Longer Seat rings are designed for higher temperature and higher pressure.
Seat rings are welded in or integral to provide bubble tight joint.

Swing check valves can also be provided with Dashpot and counter weight arrangement on request.