Floating Soft Seal Ball Valve
Performance Specification
Pressure | Testing pressure at constant temperature (MPa) | Applicable temperature | Applicable medium
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The shell testing | High-pressure seal | Low-pressure seal | ||||
Nominal rating pressure(PN) | 1.6 | 2.4 | 1.76 | 0.6 |
-29~121℃ |
Natural gas,liquefied gas,coal gas,oil,water, requirement |
2.5 | 3.75 | 2.75 | 0.6 | |||
4.0 | 6.0 | 4.4 | 0.6 | |||
6.4 | 9.6 | 7.04 | 0.6 | |||
10.0 | 15.0 | 11.0 | 0.6 | |||
16.0 | 24.0 | 17.6 | 0.6 | |||
Pressure classes(Class) | 150 | 2.94 | 2.16 | 0.6 | ||
300 | 7.67 | 5.62 | 0.6 | |||
400 | 10.2 | 7.48 | 0.6 | |||
600 | 15.3 | 11.23 | 0.6 | |||
900 | 23.0 | 16.85 | 0.6 | |||
1500 | 39.0 | 28.6 | 0.6 |
Technical Specification
Design reference | GB | API | ASME | |
Design standard | GB/T12237 | API6D | ASME B16.34 | |
Structural length | Flanged ends | GB/T12221 | API6D | ASME B16.10 |
Welded connection | GB/T12221 | |||
Flanged ends | GB/T9113JB/T79 | ASME B16.5 | ||
Butt-welding ends | GB/T12224 | ASME B16.25 | ||
Test &inspection | GB/T13927 JB/T9092 | API6D | API598 |
Note:The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement.
Major Parts Material Form (soft Seal)
No. | Accessory name | Material | |
GB | ASTM | ||
1 | Bonnet | WCB | A216-WCB |
2 | Nut | 45 | A194-2H |
3 | Gasket | Graphite+stainless steel | B12.10-304/F.G |
4 | Stud | 35CrMoA | A193-B7 |
5 | Body | WCB | A216-WCB |
6 | Seat | PTFE | PTFE |
7 | Ball* | 25+Cr | A105+Cr |
8 | Stem** | 12Cr13 | A276-410 |
9 | Gasket | PTFE | PTFE |
10 | Packing | Graphite | Graphite |
11 | Packing gland | WCB | A216-WCB |
12 | Screw nail | 35CrMoA | A193-B7 |
13 | Locating piece | Q235A | A36 |
14 | Ring | 65Mn | AIS11566 |
15 | Wrench | KTH350-10 | A47-667Gr32510 |
Note: The material of this part about the anti-sulphur typo valve is GB(12Cr18Ni9+ NIP)ASTM(A182-304+NIP).
The material of this part about the anti-sulphur type valve is GB(12Cr18Ni9)ASTM(A276-321).
Major parts of the valve series and materials of sealing surface differ according to actual working condition and customer's special requirement.
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