China Top Entry Worm Gear Eccentric Half Ball Valve, Find details about China Valve, Ball Valve from Top Entry Worm Gear Eccentric Half Ball Valve
Double Eccentric Ball Valve Main Technical Parameter:
Design & Manufacture Standard | GB / T12237-2007; / API 6D / API 608 |
Flange Connection Standard | GB/T9113.1-2000;/ASME B16.5 JB/T79.1-4-1994 |
Face to Face Standard | JD-2004; GB/T12221-2005,ASME B16.10 |
Inspection & Test Standard | GB/T13927-2008;/ API 598 |
Nominal Pressure (Mpa) | 0.6 | 1 | 1.6 | 2.5 | 4 |
WorkingPressure (Mpa) | 0.6 | 1 | 1.6 | 2.5 | 4 |
Shell Test (Mpa) | 1 | 1.5 | 2.4 | 3.8 | 6 |
Gas Seal Test (Mpa) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
High Pressure Seal Test (Mpa) | 0.7 | 1.1 | 1.76 | 2.75 | 4.4 |
Suitable Temperature(ºC) | Soft Seal:-46ºC~280ºC;Hard Seal:-46ºC~545ºC | ||||
Suitable Medium | Natural Gas, Steam,Oil,Acids, bases, coal ash, slag, mud, including granular, fibrous and other media. | ||||
Dive Mode | Worm Gear, Pneumatic, Electric,etc | ||||
Double Eccentric Half Ball Valve Main Parts Material:
Body | WCB | LCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti | ZG15Cr1Mo1V |
Stem | 2Cr13 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti | 1Cr18Ni9Ti |
Ball | WCB | LCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti | ZG15Cr1Mo1V |
Seat | Q235A+PTFE /Surfacing | LF2+PTFE /Surfacing | 1Cr18Ni9Ti /PTFE | 0Cr18Ni12Mo2Ti /PTFE | 25Cr2Mo1V /PTFE |
Ball Crown | 1Cr18Ni9Ti / Special treatment | ||||
Bonnet | WCB | LCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti | ZG15Cr1Mo1V |
Bolt | 35CrMoA | 35CrMoA | 0Cr18Ni9 | 0Cr18Ni9 | 15Cr1Mo1V |
Nut | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 20CrMo |
Packing | Flexible Graphite | ||||
Gland | WCB | LCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti | ZG15Cr1Mo1V |