* Size: DN400
* Pressure: PN16
* Connection Type: Butt welded
* Operation: Manual gear with handwheel
* Torque: 1700N.m
* Face to face length: 310mm
* Valve Structure : Triple offset
* Application : Power plant application
* Painting Color : Deep Blue
* Painting Color RAL No.: RAL5005
* Need Extended Stem : Available
* Suitable Temperature : -29°C ~425°C
* Provide Matching Flanges and bolts : Availale
* Supplying Mode : OEM / ZFV brand
* EN 10204-3.1 certificate will be prepared for customer's request
* Third Part Inspection : Available for needing
1. The butt weld butterfly valve is used as opening and closing,or adjusting medium on the pipe of high temperature,high pressure and fireproof.
2. Butt weld butterfly valve is widely used in city gas, city heating, petrochemical industry, shipbuilding, steel, voltage regulating station, power plant and other kinds of pipeline equipment.
3. Body structure integral welding, no external leakage phenomenon.
4. Valve body is light and easily insulated.
5. The valve body is made of the same material as the pipe, without uneven stress and deformation due to earthquakes and vehicles passing through the ground.
6. Welding butterfly valve is divided into cast steel welding butterfly valve, stainless steel welding butterfly valve, chromium molybdenum steel welding butterfly valve.
Welding Dimension: ANSI B16.25、DIN2559、GB12224
Face to face length: API609、GB/T12221-1989
Pressure test: API 598、GB/T13927-1992