Hebei E-valves Petroleum Equipment Co., Ltd.
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Production Description:
l Technical Parameters:
lNominal pipeline size:2~48 inch
lNominal pressure: 150~2500LB
lTemperature range:-46~250 Deg.C
lFluid: Water, oil, steam and other kinds of fluid
lBody material: Material as specified in ASME B16.34
lTesting Standard: API 6D/6A
lOperator: Lever/Wrench,gear,motor actuator, pneumatic actuator,hydraulic actuator etc.
Table 1 Recommended torque for flange connection bolting
| Bolt Size | Torque (N.M) | Bolt Size | Torque (N.M) |
| 1/2-13UNC | 50~60 | 1-1/4 -8UN | 850~1000 |
| 9/16-12 UNC | 70~80 | 1-3/8-8 UN | 1100~1300 |
| 5/8-11 UNC | 100~130 | 1-1/2-8 UN | 1400~1800 |
| 3/4-10 UNC | 160~210 | 1-5/8-8 UN | 1800~2200 |
| 7/8-9 UNC | 280~330 | 1-3/4-8 UN | 2200~2600 |
| 1-8 UNC | 420~500 | 1-7/8-8 UN | 2800~3300 |
| 1-1/8-8 UN | 500~600 | 2-8 UN | 3500~4200 |