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ZSJTQPneumatic cut-off three-way ball valve is composed of pneumatic actuator and three-way ball valve. It is a kind of rotary cut-off regulating valve. It has the advantages of tight closing, compact structure, light weight and convenient maintenance. It is widely used in pipeline automation control of gas, liquid, steam, oil and other corrosive media.
ZSJTQPneumatic cut-off three-way ball valve is composed of pneumatic actuator and three-way ball valve. It is a kind of rotary cut-off regulating valve. It has the advantages of tight closing, compact structure, light weight and convenient maintenance. It is widely used in pipeline automation control of gas, liquid, steam, oil and other corrosive media. The three-way ball valve with two valve seats has the advantages of compact structure, beautiful appearance and good sealing performance. It can switch the flow direction of medium in the pipeline. It can also make two mutually perpendicular channels connected or closed. The four seat sealing three-way ball valve has beautiful appearance and compact and reasonable structure. It can not only realize the switching of medium flow direction, but also connect the three channels. At present, it can also close any channel to connect the other two channels, so as to flexibly control the convergence or diversion of medium in the pipeline.
Ontology | |
---|---|
Valve body form | Direct casting three way valve |
body material | ZG230-450 ZG1Cr18Ni9Ti |
Nominal diameter | DN15-DN300 |
Nominal pressure | PN1.6 2.5 4.0 6.4MPa ANSI 150 300LB JIS 10K 20K 30K |
Connection form | Flange FF RF RTJ etc |
Structural length | accord withIEC534 |
Valve cover form | Integrated |
filler | |
Valve internals | |
Spool type | O-type tee ball core |
Flow characteristics | Approximate quick opening type |
Interior material | |
Executive Agency | |
Pneumatic | Piston type pneumatic actuator |
Single action | |
Double action | Air on / air off |
The three-way ball valve is divided into L-type and T-type, and the medium flow direction is shown in the figure below. L-type three-way ball valve is suitable for medium flow direction switching, which can connect two mutually perpendicular channels. T-type three-way ball valve is suitable for medium diversion, confluence or flow direction switching. T-type hole can make three channels connected with each other or two of them. Three way ball valve generally adopts two seat structure, or four seat structure according to user requirements.
The body material is carbon steel | ||||
1 | valve body | WCB | LCB | WC9 |
2 | seal ring | PTFE/PPL | ||
3 | shim | PTFE/Metal graphite spiral wound gasket | ||
4 | The Ball | According to the actual working conditions | ||
5 | filler | PTFE/graphite | ||
6 | Stem | 2Cr13 | 2Cr13 | 2Cr13 |
7 | Packing gland | WCB | LCB | WC9 |
The body is made of stainless steel | ||||
1 | valve body | CF8 | CF8M | CF3M |
2 | seal ring | |||
3 | shim | PTFE/Metal graphite spiral wound gasket | ||
4 | The Ball | According to the actual working conditions | ||
5 | filler | PTFE/graphite | ||
6 | Stem | 304 | 316 | 316L |
7 | Packing gland | CF8 | CF8M | CF3M |
Note: the above is the standard configuration structure. The standard valve body materials are carbon steel and stainless steel, which can also be configured according to user requirements.
Nominal pressure (MPa) |
Nominal diameter DN(mm) |
size(mm) | |||||||
D | D1 | D2 | L | H | L0 | b | n-d | ||
1.6 | 25 | 115 | 85 | 65 | 160 | 199 | 164 | 16 | 4-φ14 |
32 | 140 | 100 | 76 | 180 | 240 | 190 | 18 | 4-φ18 | |
40 | 150 | 110 | 84 | 200 | 255 | 210 | 18 | 4-φ18 | |
50 | 165 | 125 | 99 | 230 | 286 | 247 | 20 | 4-φ18 | |
65 | 185 | 145 | 118 | 290 | 330 | 276 | 20 | 4-φ18 | |
80 | 200 | 160 | 132 | 310 | 349 | 308 | 20 | 4-φ18 | |
100 | 220 | 160 | 156 | 350 | 421 | 348 | 22 | 8-φ18 | |
125 | 250 | 210 | 184 | 400 | 485 | 432 | 22 | 8-φ18 | |
150 | 285 | 240 | 211 | 480 | 582 | 524 | 24 | 8-φ22 | |
2.5 | 25 | 115 | 85 | 65 | 160 | 199 | 164 | 16 | 4-φ14 |
32 | 140 | 100 | 76 | 180 | 240 | 190 | 18 | 4-φ18 | |
40 | 150 | 110 | 84 | 200 | 255 | 210 | 18 | 4-φ18 | |
50 | 165 | 125 | 99 | 230 | 286 | 247 | 20 | 4-φ18 | |
65 | 185 | 145 | 118 | 290 | 330 | 276 | 22 | 8-φ18 | |
80 | 200 | 160 | 132 | 310 | 349 | 308 | 24 | 8-φ18 | |
100 | 235 | 190 | 156 | 350 | 421 | 348 | 24 | 8-φ22 | |
125 | 270 | 220 | 184 | 400 | 485 | 432 | 26 | 8-φ26 | |
150 | 300 | 250 | 211 | 480 | 582 | 524 | 28 | 8-φ26 |
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