一卡一区ww,亚州欧美中文在线一区,99久久精品国产亚洲,韩日无码三级,色婷婷黄色在线,国产精品九色欧美,91九色单男,久久久久久久久九三区,久久国产精

Product model: D943H/Y
Nominal Path: DN50-1200mm
Nominal pressure: PN1.0-4.0 MPa
Applicable Temperature: <425 Temperature
Applicable media: water, steam and oil
Main Material: Carbon Steel, Stainless Steel

Valve body

Valve body material: WCB, 304, 316

Valve plate material: WCB, 304, 316 + STL

Seat Material: Alloy + STL

Connection mode: pair clamp type, flange type

Flange standard: GB, ANSI, JIS, DIN

Pressure rating: PN16, PN25, PN40Mpa

Electric actuator: switch type, regulator type, explosion-proof type

Voltage level: AC220V, AC110, AC380V, DC24V, DC12, etc.

Valve components

Seat Seal: EPDM: -30 ~120 ~NBR:-30 ~80 ~PTFE:-30 ~140 ~VITON:-30 ~150 ~

Valve Plate Material: Ductile Iron Nickel Plating, Nylon Coating, Aluminum Bronze, 304, 316, 316L, 1.4529, 2507

Stem material: stainless steel 410, 304

Applicable media: water, liquid, gas, oil, powder, steam, acid-base corrosive media.

Design and Manufacture Standards

Design and Manufacture: GB/T12238-2008

Connection standard: JB/T 79.1-1994

Structural Length: GB/T12221-2005

Pressure test: GB/T13927-2008

Electric actuator

Switching: Feedback Signal: Passive Contact Signal 4-20mA Resistance Signal

Regulating type: input signal 4-20mA 0-10V 1-5V; feedback signal 4-20mA 0-10V 1-5V

Voltage: AC220V V V V, DC12V V, etc. Special voltage can be customized

Explosion-proof grade: optional explosion-proof EXdIIBT4