Botou industrial valve company

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2016-03-15

Wafer Butterfly Check Valve
TECHNICAL DATA
Nominal diameter:        DN50-600//2”-24”
Face to face:             API 594 /API609BS 1868
Flange accommodation:    ASME B16.1, B16.5
DIN 2501/BS
Design standard:          API  594/BS 1868
        API  609    
Temperature range:         -20°C to 120°C
Suitable medium:          Fresh water,waste water,air,sewage food,oil,etc.
Test inspection:            API  598/BS 5146
EN  12266-1
Material
Body: DI/CI/WCB/CF8/CF8M
Seat NBR/EPDM/Viton
Stem: SS304/SS316/2Cr13
Plate DI/DI+EPOXY/CF8/CF8M
Spring SS304
Nut: SS304

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