產品詳情
當前位置：首頁 >> >>Quick shut-off valveZQGP pneumatic quick disconnect valve from the domestic first introduced more than a spring piston pneumatic actuator and low flow resistance, double shut-off valve sealing structure components. Actuator movement speed, thrust, a self-reset function, with hand operated institutions; body unobstructed flow path, flow coefficient, elastic and rigid spool valve cascade double seal. New and unique structure makes the product quickly became a class action, tight cut, safe and reliable, high-performance new shut-off valve.
Main parts and materials
| 材料代號 | C（WCB） | P（304） | R（316） | |
| The main parts | Body, bonnet | WCB（ZG230-450） | ZG1Cr18Ni9Ti（304） | ZG1Cr18Ni12Mo2Ti（316） |
| Valve, valve seat | 1Cr18Ni9Ti（304）or the Secretary of titanium alloy welding Levin | 1Cr18Ni9Ti（304）or the Secretary of titanium alloy welding Levin | 1Cr18Ni12Mo2Ti（316）or the Secretary of titanium alloy welding Levin | |
| Stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | |
| Packing | V-type PTFE (F4), flexible graphite | |||
| Gasket | PTFE (F4), stainless steel gaskets, metal graphite spiral wound gasket | |||
| Oil and rubber O-ring | Spring 60Si2Mn | |||
| Spring | 60Si2Mn | |||
| Putting | 2Cr13 | |||
| Handwheel | HT200 | |||
| Conditions apply | For media | Water vapor liquid gas oil category | Alkali corrosive nitric acid gas liquids | Acetic acid and other corrosive gases and liquids |
| Temperature | Hard seal: -30 ~ +450 ℃ soft seal: -30 ~ +180 ℃ | |||
| DN mm | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | ||
| Seat diameter mm | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
| Rated flow coefficient Kv | 6.5 | 10 | 15 | 25 | 40 | 65 | 100 | 150 | 260 | 350 | 540 |
| Nominal MPa | 1.6 ； 4.0 ； 6.4 | ||||||||||
| Stroke mm | 10 | 16 | 25 | 30 | 40 | 60 | |||||
| Flow characteristics | Quick opening | ||||||||||
| Actuator Model | ZSPA/B-1、ZSNA/B-1 | ZSPA/B-2、ZSNA/B-2 | ZSPA/B-3、ZSNA/B-3 | ||||||||
| Action in the form of | Single acting / double acting | ||||||||||
| Air pressure MPa | 0.4-0.7 | ||||||||||
| Leakage | Soft Seal: O leakage; hard seal :10-5 × valve rated capacity | ||||||||||
| Off time S | 0.5 | 1 | 1.5 | 2 | 3 | 4 | |||||
| DN(mm) | H(mm) | Hg(mm) | ФA(mm) | ФD(mm) | L(mm) | ||
| PN1.6 | PN6.4 | PN1.6 | PN6.4 | ||||
| 25 | 410 | 580 | 196 | 115 | 135 | 184 | 210 |
| 40 | 514 | 684 | 266 | 150 | 165 | 222 | 251 |
| 50 | 520 | 690 | 266 | 165 | 175 | 254 | 286 |
| 65 | 694 | 904 | 348 | 185 | 200 | 276 | 311 |
| 80 | 696 | 906 | 348 | 200 | 210 | 298 | 337 |
| 100 | 709 | 919 | 348 | 220 | 250 | 352 | 394 |
| 150 | 1186 | 1146 | 486 | 285 | 340 | 451 | 508 |
| 200 | 1208 | 1468 | 486 | 340 | 405 | 600 | 650 |
Ordering Information
A product model and name 2. Nominal diameter DN (mm 3. Nominal 4. Flow characteristics required 5. Valve material and trim materials 6. Media type and temperature range 7. Valve after pressure (pressure) 8 sealing form 9. matching accessories, it is recommended to install air filters FRL with two five-way solenoid valve
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