| Media: | W.O.G. |
|---|---|
| Material: | Stainless Steel |
| Connection Form: | Welding |
| Driving Mode: | Manual |
| Nominal Pressure: | PN1.0-32.0MPa |
| Channel: | Straight Through Type |
| Customization: |
|---|
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Audited Supplier The extended rod low-temperature ball valve is a ball valve that can be used at temperatures below -196 ºC, mainly used in chemical plants such as 300000 tons of ethylene glycol and liquefied natural gas. The output liquid low-temperature medium needs to be gasified during heating, and the volume expands hundreds of times during gasification. In order to meet the needs of automation control, extension rods are often used according to the situation to avoid the impact of low temperature on the driving mechanism.
1. The fluid resistance is small, and its resistance coefficient is equal to that of the pipe segment of the same length.
2, simple structure, small volume, light weight.
3, tight and reliable, ball valve sealing surface material widely used plastic, good sealing, in the vacuum system has been widely used.
4, easy to operate, open and close quickly, from full open to full close as long as the rotation of 90°, easy to remote control.
5. When fully open or fully closed, the sealing surface of the ball and the valve seat is isolated from the medium. When the medium passes, it will not cause the erosion of the sealing surface of the valve.
Design and manufacture confirm to ASME B16.34/BS 5351.
Face to Face length confirm to ASME B16.10.
End Flange confirm to ASME B16.5.
BW End confirm to ASME B16.25.
Inspection and Test confirm to API 598/API 6D.
Fire Safe Test:API 607/API 6FA.
Special:NACE MR-01-75.
| No | Part Name | Materials | |
| -46°C~-101°C~-196°C | |||
| 1 | Left Body | A352-LCB,LCC,LC3,A351-CF8,A351-CF8M | |
| 2 | Seat | PTFE,RPTFE,PEEK,PPL,POM,KARBATE | |
| NYLON,MOLON,DEVLON | |||
| 3 | Ball | A182-F304,F316 | |
| 4 | O-ring | VITON | |
| 5 | Gasket | Flexible graphite+304,flexible graphite+316,PTFE | |
| 6 | Bolt | A194-4,8,8M | |
| 7 | Nut | A320-L7,A193-B8,B8M | |
| 8 | Right body | A352-LCB,LCC,LC3,A351-CF8,CF8M | |
| 9 | Spring | ss304,316 | |
| 10 | Small ball | PTFE | |
| 11 | Thrust washer | A182-F6,F316,F316 | |
| 12 | Stem | Flexible graphite,PTFE | |
| 13 | Gasket | A182 F6,F304,F316 | |
| 14 | Packing | A352 LCB,A351 CF8 | |
| 15 | Gland | 1025,stainless steel | |
| 16 | Gland flange | A216 WCB | |
| 17 | Stop plate | 1025 | |
| 18 | Lever | 1035,stainless steel | |
| 19 | Screw | A352-LCB,LCC,LC3,A351-CF8,CF8M | |
| 20 | Screw | 1035,stainless steel | |
| 21 | Extended bonnet | A352-LCB,LCC,LC3,A351-CF8,CF8M, | |
| 22 | Screw | 1035,stainless steel | |
| 23 | Bushing | A182-F6,F304,F316 | |
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