High-Performance Butterfly valves - Series 40

The unique, patented design of the Bray wafer butterfly valve provides consistent reliability and easy maintenance directly in the field. Independent and internal tests have proven the outstanding service life characteristics of the butterfly valves with blister tight shut-off. This high-performance Series 40 butterfly valve offers the highest quality and greatest available benefits for your requirements. The high-performance Series 40 butterfly valves with proven FireSafe double-seal seats are ideal for reliable control of flammable and hazardous media in the petroleum, petrochemical, chemical and other hazardous areas. The Fire Safe design combines outstanding performance, long life and compliance with the highest requirements and regulations.


Hot water and steam systems, High pressures and temperatures, Critical media

Technical data


Body: cast steel, stainless steel, nickel-aluminium bronze, super duplex stainless steel

Disc: stainless steel, nickel-aluminium bronze, super duplex stainless steel

Cuff: RTFE with elastomer core, PTFE with elastomer core, Fire Safe - RTFE and PTFE with elastomer core


Double eccentric butterfly valve for installation between flanges according to DIN.

Nominal size:

DN50 - DN1500

Nominal pressure:

PN10 up to PN100


-29°C up to 260°C


Optional versions are possible.

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