This middle lie flange butterfly valve can be made of different materials according to the media requirement.
Manual resilient seat flanged butterfly valve Size: 2”-48” / 40mm – 1200 mm
Design standard: API 609, BS EN 593.
Face-to-Face dimension: API 609, BS 5155, ISO 5752.
Flange Drilling: ANSI B 16.1, BS4504, DIN PN 10 / PN 16, JIS 5K, 10K, 16K.
Test: API 598.
Working Pressure
PN10 / PN16
Testing Pressure
Shell: 1.5 times rated pressure,
Seat: 1.1 times rated pressure.
Working Temperature
-10°C to 80°C (NBR)
-10°C to 120°C (EPDM)
Suitable Media
Water, Oil and gas.
Parts
Materials
Body
Cast iron, ductile iron, carbon steel, stainless steel
Disc
Nickel ductile iron / Al bronze / Stainless steel
Seat
EPDM / NBR / VITON / PTFE
Stem
Stainless steel / Carbon steel
Bushing
PTFE
“O” ring
PTFE
Worm gearbox
Cast iron / Ductile iron
The product is used for throttling or shutting off the flow of corrosive or non corrosive gased, liquids and semi liquid. It can be installed in any selected position in pipelines in the industries of petroleum processing, chemicals, food, medicine, textile, paper making, hydroelectricity engineering, building, water supply and sewage, metallurgy, energy engineering as well as light industry.
<img src="http://g01.s.alicdn.com/kf/HTB1eQ94KVXXXXbQXXXXq6xXFXXXi/200165162/HTB1eQ94KVXXXXbQXXXXq6xXFXXXi.jpg" _xhe_src="http://g01.s.alicdn.com/kf/HTB1eQ94KVXXXXbQXXXXq6xXFXXXi/200165162/HTB1eQ94KVXXXXbQXXXXq6xXFXXXi.jpg" alt="Manual flanged butterfly valve" ori-width="1000" ori-height="577"/>
<img src="http://g03.s.alicdn.com/kf/HTB1u.UyKVXXXXbZXpXXq6xXFXXXT/200165162/HTB1u.UyKVXXXXbZXpXXq6xXFXXXT.jpg" _xhe_src="http://g03.s.alicdn.com/kf/HTB1u.UyKVXXXXbZXpXXq6xXFXXXT/200165162/HTB1u.UyKVXXXXbZXpXXq6xXFXXXT.jpg" alt="Manual flanged butterfly valve" ori-width="1000" ori-height="563"/> <img src="http://g04.s.alicdn.com/kf/HTB1wKMiKVXXXXb8XVXXq6xXFXXXe/200165162/HTB1wKMiKVXXXXb8XVXXq6xXFXXXe.jpg" _xhe_src="http://g04.s.alicdn.com/kf/HTB1wKMiKVXXXXb8XVXXq6xXFXXXe/200165162/HTB1wKMiKVXXXXb8XVXXq6xXFXXXe.jpg" alt="Manual flanged butterfly valve" ori-width="1000" ori-height="563"/> <img src="http://g02.s.alicdn.com/kf/HTB1J0gpKVXXXXcmXFXXq6xXFXXXG/200165162/HTB1J0gpKVXXXXcmXFXXq6xXFXXXG.jpg" _xhe_src="http://g02.s.alicdn.com/kf/HTB1J0gpKVXXXXcmXFXXq6xXFXXXG/200165162/HTB1J0gpKVXXXXcmXFXXq6xXFXXXG.jpg" alt="Manual flanged butterfly valve" ori-width="685" ori-height="466"/> <img src="http://g03.s.alicdn.com/kf/HTB12IEuKVXXXXaTXFXXq6xXFXXXk/200165162/HTB12IEuKVXXXXaTXFXXq6xXFXXXk.jpg" _xhe_src="http://g03.s.alicdn.com/kf/HTB12IEuKVXXXXaTXFXXq6xXFXXXk/200165162/HTB12IEuKVXXXXaTXFXXq6xXFXXXk.jpg" alt="Manual flanged butterfly valve" ori-width="850" ori-height="564"/> <img src="http://g04.s.alicdn.com/kf/HTB1_qALKVXXXXXZXXXXq6xXFXXXG/200165162/HTB1_qALKVXXXXXZXXXXq6xXFXXXG.jpg" _xhe_src="http://g04.s.alicdn.com/kf/HTB1_qALKVXXXXXZXXXXq6xXFXXXG/200165162/HTB1_qALKVXXXXXZXXXXq6xXFXXXG.jpg" alt="Manual flanged butterfly valve" ori-width="1000" ori-height="750"/>