Specifications

Eccentric double flange butterfly valve
1) ANSI B 16.1, BS4504
2) ISO9001:2008 and CE Certificates
3)high quality&good price

Eccentric double flange butterfly valve

Specification:

Size: 2”-48” / 50mm – 2000 mm

Design standard: API 609, BS EN 593, GB T12238.

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.

Pressure & Temperature ratings:

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.

Materials:

Parts	Materials
Body	Cast iron, ductile iron, carbon steel
Disc	Nickel ductile iron / Al bronze / Stainless steel
Seal ring	EPDM / NBR / VITON / PTFE
Stem	Stainless steel / Carbon steel
Bushing	PTFE
“O” ring	PTFE
Worm gearbox	Cast iron / Ductile iron

Application:

This kind of butterfly valve is widely utilized in foodstuff, pharmacy, chemical industry etc. and industrial environmental protection, water treatment, high building, water supply and drain tubing line open or close or adjusting medium.