Specifications

1.Body : Ductile Iron Casting Iron
2.Disc : Ductile Iron Stainless Steel
3.Driving Style : Lever Gear actuator, etc

Gearbox wafer butterfly valve

Specification:

Size: DN400 - DN500

Design standard: API 609, BS EN593.

Face-to-Face dimension: API 609, ISO 5752, BS EN558, BS 5155.

Flange drilling: ANSI B16.1, BS EN1092-2, DIN 2501 PN10/16, BS 10 Table E,JIS 10k/16k.

Test: API 598.

Pressure & Temperature:

Working Pressure	10bar / 16bar
Testing Pressure	Shell: 11 bar / 17.6 bar; Seal: 15 bar / 24 bar.
Working Temperature	-10oC to 80oC (NBR); -10oC to 120oC (EPDM)
Suitable Media	Water, oil and gas.

Materials:

Part	Material
Body	GG20, GGG40, WCB, CF8
Disc	Nickel ductile iron; stainless steel; Al bronze etc.
Seat	NBR / EPDM / PTFE / VITON
Stem	Stainless steel
Bushing	PTFE
"O" Ring	NBR

Application:

This valve 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.