Bolted cover swing check valves

Category: Gate, globe & check valves
Product line: Pressure seal & bolted bonnet valves

Size range(s)
2 1/2 - 24'' (65 - 600 mm)
Pressure rating
ASME Class 150 - 1500
Standard connections
Socket weld, Butt weld

Features and benefits

● Stronger, leakproof bolted body bonnet joint.
● No penetration of hinge pin tooutside eliminating possibility of pin seal leakage and allowing for in-line service.
● Compact cage unit. All moving parts are attached to the carrier and can be removed easily for service.
● Forged seat/disc is Stellited, ground and lapped to a mirror finish for maximum erosion resistance and long service life. It is seal-welded to the body.
● Disc can partially rotate for tight shutoff. In the fully open position, it rests against a stop.
● Stellite bearings for hinge pin.
● Easy in-line service. Seating faces can be re-lapped.
● Forged Bonnet 

Product information

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Industry brochures

Global leader in valves for nuclear power ( 2881 KB) Document code: NCP-2003

Product catalogs

Pressure seal and bolted bonnet ( 3121 KB) Document code: PS-2006



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