Duvalco B.V
Duvalco - Model MSJ Series - Wafer -Bonded Liner, Semi Lug Butterfly Valve
FromDuvalco B.V
Duvalco Wafer Type Butterfly Valves are the Concentric designed disc with bonded liner body. Overall design generally in accordance to BS EN 593. Body construction is ductile iron and disc available in ductile iron, stainless steel 304 or 316, shafts in stainless steel 420, 431, 304 or 316. Aluminium bronze discs also available.
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- Wafer type butterfly valve, semi lug, with centric disc and bonded liner.
- 100% bi-directional bubble tight shut off.
- Overall design generally in accordance to BS EN-593
- Face to face dimension in accordance to EN558 table 1, series 20 (series 16 from DN700 and up)
- Top flange and shaft end in accordance to ISO-5211
- Working pressure from 0.1 bar absolute up to 16 bar (test pressure 17.6 bar)
- Working pressure up to 25 bar (test pressure 27.5 bar) on request
- Suitable as end of line service valve
- DN50 – DN1200
- Mounting between flanges to DIN PN10, DIN PN16 or ASME class 150
- Other executions on request