PNEUMATIC PINCH VALVE (GJ841X-I-6L)
1- Main part
Body of valve,Rubber of sleeving,Bonnet etc.
2- Working principle
When closing the pneumatic system, the space of between sleeving and body connect with air, The sleeving bear the liquid pressure to be in a state of tension outward. Because of inside of the sleeving has reinforced cloth to keep the pressure balance, so the length of sleeving and diameter won't been changed by the liquid pressure. When the medium come into the space of between sleeving and body, sleeving will cut off the liquid in under of medium pressure.
3- Installation and Maintenance
A. We could install the valve in any part of the pipeline, don't limit the flowing of the medium
B. Maintenance cost is very low,only need change the rubber of sleeving according to using condition.
4- Suitable medium: ,Slurry, Ore pulp, Abrasive, Dry and Wet type dust, Solid liquid, granular fertilizer etc. Special for ore plant,chemical plant,Power plant,Sewage treatment plant etc.
Suitable temperature:≤85°C
5-Technical requirements | |||||
Size (DN) | Working pressure | Control pressure | Max differential pressure | Material sleeving | Suitable temp. |
DN40-200 | Max4bar | Max6bar | 2bar | NB | -5~85℃ |
DN250-300 | Max3bar | Max4.5bar | 1.5bar | EPDF | -5~120℃ |
6- Connection size(mm)
Size (DN) | L | H | D | K | n-L |
40 | 150 | 40 | 145 | 110 | 4-18 |
50 | 1 80 | 60 | 160 | 125 | 4-18 |
65 | 1 80 | 60 | 180 | 145 | 4-18 |
80 | 220 | 75 | 195 | 160 | 4-18 |
100 | 280 | 95 | 215 | 180 | 8-18 |
125 | 345 | 120 | 245 | 210 | 8-18 |
150 | 414 | 145 | 280 | 240 | 8-23 |
200 | 550 | 182 | 335 | 295 | 8-23 |
250 | 680 | 229 | 390 | 350 | 12-23 |
300 | 820 | 278 | 440 | 400 | 12-23 |
7- Related Products:
8- Our factory:
9- Testing & Inspection:
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