A range of swing check and tilting disc check valves, designed in accordance with ASME B16.34, for power industry services.
Features & Benefits:
ASME B16.34 design, offered in swing check and tilting disc configurations in 4 standard cast body materials.
Easy assembly increased by a pressure seal closure with threaded ring (in small sizes) or segmental ring (in larger sizes, depending on pressure ratings).
Pressure seal-type closure of hinge pin.
Seat and disc are stellited gr. 6.
Seats are welded in.
Swing Check Configuration:
Disc is equipped with standard anti-rotation device.
Friction ring in the connection between hinge and disc.
Tilting Disc Configuration:
Disc is equipped with a dome to balance the weight.
Spring-assisted closure to avoid slamming.
Recommended for power plant applications which require flow reversal prevention.
Swing Check: ASME Classes 900 and 1500
Tilting Disc: ASME Classes 1500 and 2500
Body Materials: A216 WCB, A217 WC6, A217 WC9, A217 C12A
Temperature: -46°C to +650°C
Swing Check: 2" to 16" [50 to 400 mm]
Tilting Disc: 2" to 24" [50 to 600 mm]
Connections Standards: ASME B16.25