Pressure seal swing check valves

Overview
Literature

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

Size range(s): 2 - 24'' (50 - 600 mm)
Pressure rating: ASME Class 600 - 2500
Standard connections: Socket weld, Butt weld

Features and benefits

● Velan's proven pressure seal design.
● No penetration of hinge pin to outside 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. All parts are easily accessible for maintenance. Seating faces can be re-lapped.
● Forged bonnet.