High Performance Butterfly Valve – McCannalok (Bray), Metal/Soft Seated, ANSI 150–600

The Bray McCannalok High Performance Butterfly Valve is a precision-engineered valve built for superior control and tight shutoff in demanding industrial systems. It features a robust double-offset design that reduces seat wear and provides longer service life, even in high-cycle and high-pressure environments.

This valve is available with a wide range of seat options, including PTFE, RPTFE, and fire-safe metal seats, ensuring excellent versatility across services including steam, chemical, and hydrocarbon processing. The stem is retained by an innovative internal disc-stem connection, eliminating external stem pins for a cleaner design.

With ratings up to ANSI Class 600 and compliance to API 607 fire-safe standards, McCannalok valves ensure reliability under severe conditions. Optional live-loaded packing and actuator mounting pad enhance adaptability for automated or remote-control service.

Specifications:

– Valve Type: High performance butterfly valve
– Design: Double-offset (eccentric) disc design
– Size Range: 2” to 48”
– Pressure Class: ANSI 150, 300, and 600
– Body Material: Carbon steel, stainless steel, other alloys available
– Disc Material: 316 SS, duplex, aluminum bronze, or special alloys
– Seat Type: Soft seat (PTFE/RPTFE) or metal seat (Stellite, Inconel, etc.)
– Temperature Range: -46°C to +538°C (depending on seat material)
– Leakage Class: Class VI (soft seat), Class IV/V (metal seat)
– Fire Safe: API 607 compliant (fire-safe design)
– End Connections: Wafer, Lug, Double Flanged
– Mounting: ISO 5211 actuator pad
– Shaft Design: Blowout-proof shaft, one-piece, high strength
– Testing Standards: API 598, ASME B16.34
– Applications: Refining, petrochemical, steam, water, oil & gas, and general industrial service

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