The series valve, which is the main element for realizing the automatic control of industrial pipeline and one of the most important valve products in PSA voltage absorption device, is widely applied to the automatic pipeline of such industries as petroleum, chemical industry, pharmacy, chemical fertilizer and electric power, etc. It is particularly applicable to the engineering pipeline for gas separation by pressure swing adsorption such as hydrogen, carbon dioxide, oxygen, reformed gas, FCC dry gas, shift gas, etc.
Standard specification
| Design and manufacture | GB/T12235 | |||
| Connection Size | Structure length | GB/T12221 | ||
| Flange Size | GB/T9115 | |||
| Welding end dimensions | GB/T12224 | |||
| Inspection and testing | JB/T9092 GB/T13927 | |||
| Material | Carbon steel | GB/T12229 | ||
| Stainless steel | GB/T12230 | |||
| Alloy steel | GB/T5263 | |||
| Mark | GB/T12220 | |||
| Availability | JB/T7928 | |||
Technical parameter
| Nominal diameter (mm) | 50 ～ 500 | |||
| Nominal pressure (MPa) | 1.0～10.0 | |||
| Working pressure differential (MPa) | 0～10.0 | |||
| Media | Water, stream, oils and gas | |||
| Medium temperature (℃) | -15～180 | |||
| Mode of action | Equilibrium | |||
| Drive mode | Pneumatic and hydraulic | |||
| Material of valve body | WCB CF8 | |||
Dimensions Size
| DN(mm) | J641(mm) | J741(mm) | ||
| L | H | L | H | |
| 50 | 510 | 230 | 600 | 230 |
| 65 | 590 | 290 | 650 | 290 |
| 80 | 648 | 310 | 690 | 310 |
| 100 | 700 | 350 | 730 | 350 |
| 125 | 793 | 400 | 840 | 400 |
| 150 | 845 | 480 | 925 | 480 |
| 200 | 887 | 600 | 1050 | 600 |
| 250 | 945 | 730 | 1200 | 730 |
| 300 | 1040 | 850 | 1250 | 850 |
| 350 | 1200 | 980 | 1345 | 1345 |
| 400 | 1320 | 1100 | 1450 | 1450 |
| 450 | 1440 | 1200 | 1670 | 1670 |
| 500 | 1580 | 1250 | 1810 | 1810 |
