Bolted cover swing check valves


Category: Gate, globe, and check valves
Product line: Bolted bonnet high pressure valves (large forged) valves

  • Size range(s)
    NPS 2 1/2 - 24
    (DN 65 - 600)
    Pressure rating
    ASME Classes
    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 hardfaced with CoCr alloy, 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.
● CoCr alloy bearings for hinge pin.
● Easy in-line service. Seating faces can be re-lapped.
● Forged bonnet 

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IgnitionWeb High-Touch Communications