Electronic single-seat control valve
- Products
- Ball valve
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- Check valve
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- Forged steel valve
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- Flame arrester and breathing valve
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- Copper valve
- Ceramic valve
- Oil field valve
- Safety valve
- Actuator series

Nominal diameter: DN25 ~ 200mm
Nominal pressure: PN1.6 ~ 6.4MPa
Ambient temperature: -25 ~ +70 ℃
Humidity: ≤ 95%
Body Material: Cast steel (ZG230450), stainless steel (ZGICr18Ni9Ti, ZGICr18Ni12M02Ti ) and other
Drive: motor
Design criteria: GB / T17213
Inspection standards: GB / T4213
Flange standard: JIS B220, JB / T79, ANSI B16.5-1981, GB / T9113, HG20594-97, HG20618-97 etc.
| Body | |
| form | Straight through the single seat cast ball valve |
| Nominal diameter | 25, 32, 40, 50, 65, 80, 100, 1 25, 150, 200 mm |
| Nominal pressure | PN16, 40, 64 bar |
| Flange standard | JB / T79.1-94,79.2-94 and so on |
| material | Cast steel (ZG230450), stainless steel (ZGICr18Ni9Ti, ZGICr18Ni12M02Ti), etc. |
| On the bonnet |
Standard type: -17 ~ 230 ℃ Cooling type: 230 ~ 450 ℃ Low temperature type: -60 ~ 196 ℃ Bellows Sealed: -40 ~ 350 ℃ |
| Cover form | Bolt compression type |
| filler | V-type PTFE filler, PTFE impregnated asbestos filler, asbestos textile filler, graphite filler |
| Valve assembly | |
| Spool type | Single-seat spool valve |
| Flow characteristics | Equal percentage characteristics and linear characteristics |
| material |
Stainless steel (1Cr18Ni9Ti, 1Cr18Ni12M02Ti, 17-4PH, 9Cr18, 316L), stainless steel heap too Lai Lai alloy, titanium and corrosion-resistant Taiwan gold. |
| Execution agency | |||||||
| Type | 381 LSA-08 | 381 LSA-20 | 381 LSB-30 | 381 LSB-50 | 381 LSC-65 | 381 LSC-99 | 381 LSC-160 |
| Piston diameter | 381 LXA-08 | 381 LXA-20 | 381 LXB-30 | 381 LXB-50 | 381 LXC-65 | 381 LXC-99 | 381 LXC a 160 |
| Output push (N) | 800 | 2000 | 3000 | 5000 | 6500 | 10000 | 16000 |
| The maximum travel L (mm) | 30 | 60 | 100 | ||||
| Working speed (mm / s) | 4.2 | 2.1 | 3.5 | 1.7 | 2.8 | 2.0 | 1.0 |
| The main technical parameters | Power supply voltage: 220W50Hz Input signal: 4-20mA or 1-5V. DC output signal: 4-20mA. DC | ||||||
| Protection class: quite IP55 Flameproof mark: Exd || BT4 Hand control function: handle | |||||||
| Ambient temperature: -25 ~ +70 ℃ Humidity: ≤ 95% | |||||||
| performance | ||||
| Project | Without locator | With locator | ||
| Basic error% | ± 5.0 | ± 1.0 | ||
| Backlash% | ≤3.0 | ≤1.0 | ||
| dead zone% | ≤3.0 | ≤0.4 | ||
| Always point deviation% | Open air | Start point | ± 2.5 | ± 1.0 |
| end | ± 5.0 | ± 1.0 | ||
| Qi off | Start point | ± 5.0 | ± 1.0 | |
| end | ± 2.5 | ± 1.0 | ||
| Rated travel deviation% | ≤2.5 | |||
| Leakage 1 / h | 0.01% X valve rated capacity | |||
| Adjustable range R | 30: 1 | |||
| Rated flow coefficient Kv, rated travel, equipped with actuator type, allowing pressure | ||||||||||
| Nominal diameter DN (mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| Seat diameter DN (mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| Rated flow coefficient Kv | 8 | 13 | 22 | 32 | 50 | 80 | 120 | 200 | 280 | 450 |
| Travel L (mm) | 16 | 20 | 40 | 60 | ||||||
| Equipped with actuator model | 381 LS / XA-20 | 381 LS / XA-30 | 381 LS / XA-50 | 381 LS / XA-65 | ||||||
| Allowable pressure difference (bar) | 30 | 20 | 18 | 20.5 | 11.6 | 6.7 | 4.7 | 3.9 | 2.6 | 1.6 |
Note:
The bellows seal control valve, the maximum allowable pressure of
10bar, the table if the value is less than 10bar unchanged, if more than
10bar then take l0bar.
| Dimensions and weight unit: mm | |||||||||||
| Nominal diameter | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |
| L | PN16 / 40 | 185 | 200 | 220 | 250 | 275 | 300 | 350 | 410 | 450 | 550 |
| PN64 | 200 | 210 | 235 | 265 | 295 | 320 | 370 | 440 | 475 | 570 | |
| D | 255 | 255 | 255 | 255 | 255 | 255 | 255 | 310 | 310 | 310 | |
| R | 177 | 177 | 177 | 177 | 177 | 177 | 177 | 226 | 226 | 226 | |
| H1 | PN16 / 40 | 155 | 175 | 180 | 200 | 235 | 250 | 260 | 330 | 350 | 420 |
| PN64 | 165 | 185 | 185 | 205 | 245 | 255 | 270 | 335 | 365 | 430 | |
| H3 | PN16 / 40 | 171 | 195 | 200 | 220 | 262 | 277 | 287 | 357 | 377 | 447 |
| PN64 | 181 | 205 | 205 | 225 | 272 | 282 | 297 | 362 | 392 | 457 | |
| H2 | 373 | 495 | 495 | 495 | 700 | 700 | 700 | 725 | 725 | 725 | |
| H4 | 459 | 459 | 459 | 459 | 520 | 520 | 520 | 570 | 570 | 570 | |
| H5 | PN64 | 120 | 120 | 140 | 145 | 190 | 210 | 220 | 270 | 280 | 320 |
|
Weight (KG) |
PN16 / 40 | 16 | 19 | 22 | 23 | 39 | 50 | 59 | 80 | 87 | 115 |
| PN64 | 21 | 24 | 31 | 33 | 49 | 75 | 92 | 129 | 137 | 170 | |
Note:
1, the other structural dimensions refer to ZJHP pneumatic diaphragm single seat control valve.
2, the table weight with the use of PSL-type actuator data.
3, valve flange and flange end distance can be manufactured according to user-specified standards, such as: ANSI, JIS, DIN standards.





