Pressure-Seal

Our pressure-seal NEWCO valves are ideal for standard and critical power-industry applications. The pressure seal bonnet joint eliminates the body-bonnet flanges, reducing weight and simplifying the application of exterior insulation.

In contrast with bolted-bonnet valves, internal pressure applied to a pressure seal valve forces the sealing elements into tighter contactâ€”the higher the internal pressure, the tighter the seal.

Pressure-seal NEWCO valves comply with the design and test requirements of ANSI Spec B16.34 and the installation dimensions of ANSI Spec B16.10.

	Gate Valves	Globe Valves	Tilt Disc Check Valves
Sizes, in [mm]	2 to 36 [50 to 900]	2 to 36 [50 to 900]	2 to 36 [50 to 900]
Class	600 to 4500	600 to 4500	600 to 4500
Design	ANSI B16.34	ANSI B16.34	ANSI B16.34
Ends	Raised face, ring-type joint, butt weld	Raised face, ring-type joint, butt weld	Raised face, ring-type joint, butt weld
Materials	All grades	All grades	All grades

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