An electric pinch valve is a type of valve that uses an electric actuator to control the opening and closing of a flexible elastomer sleeve or tube, effectively regulating the flow of various media.
Body, sleeve, Stem, pinch rod, side guide rod, Hand wheel etc.
when rotate the handle clockwise, valve stem drive the splint and compress sleeving to close valve, conversely, open the valve. So splint under the pull rod upper and downer to complete the work, because of the rubber sleeve can not sustain heavy strength, so when close it, operator feel a little collide is be ok, forbid to use other tools;
This valve can install on the pipe for free, no fluent direction limit, long term usage, if there is abrasion or leaks, just to remove the valve to replace a new valve core, the valve can use for a long time for economical and practical.
A.Could install it in any part of pipe and don’t limit of the medium flow direction.
B.Low maintenance cost, don’t need change the seat of valve, sealing material etc, only need change the rubber of sleeving.
A.Pinch valves can be used for On/Off, as well as throttling services
B.Pinch valves are ideal for on/off services because of their straight through design that allows for uninhibited flow
C.Straight through designs also have very little pressure drop between the inlet and outlet.
D.The effective throttling range of a pinch valve is usually between 10% and 95% of the rated flow capacity
E.Low maintenance
F.Low weight and easy operation
G.Easy changing the rubber sleeving and don’t need stock other parts except the rubber sleeving.
| Rubber quality | Application examples | Temperature range | Typical media |
| EPDM | Chemical applications: Applicable to 75% of all industrial chemical applications. | -40℃ – ＋110℃ | Concentrated and oxidiziing chemicals. |
| NR | High wear applications. | -40℃ – ＋80℃ | Abrasive materials, diluted acids, alkali & chemicals. |
| NBR | Applications involving oils, fats and hydrocarbon. | -30℃ – ＋100℃ | Oil, fats, fuels hydrocarbon, lubricants. |
| CR | Special-purpse chemical application: Resilient to ozone and averse weather | -40℃ – ＋100℃ | Chemicals, acids, several solvents, aliphatic oils, fats, lubricants |
| IIR | Special-purpse chemical application: Impermeable to gas | -40℃ – ＋100℃ | Concentrated and acidic chemicals, vegetable oil. |
| Name | Material |
| Body | Aluminium alloy, Cast iron, Cast steel, Stainless steel |
| Sleeve | NR, EPDM, NBR, CR, IIR |
| Stem | Carbon steel, Stainless steel, Alloy steel |
| Pinch rod | Ductile iron |
| Side guide rod | Carbon steel, Stainless steel, |
| Actuator | 380V or 220V |
| Acceptable other special requirements of the material | |
| DN | PN(Bar) | L | L1 | L0 | D | D1 | Z-ɸ |
| 25 | 1-16 | 145 | 124 | 31 | 115 | 85 | 4-14 |
| 32 | 1-16 | 160 | 145 | 40 | 135 | 100 | 4-18 |
| 40 | 1-16 | 180 | 157 | 50 | 145 | 110 | 4-18 |
| 50 | 1-16 | 210 | 160 | 60 | 160 | 125 | 4-18 |
| 65 | 1-16 | 250 | 199 | 74 | 180 | 145 | 4-18 |
| 80 | 1-16 | 300 | 222 | 88 | 195 | 160 | 4-18 |
| 100 | 1-16 | 350 | 250 | 106 | 215 | 180 | 8-18 |
| 125 | 1-10 | 430 | 318 | 134 | 245 | 210 | 8-18 |
| 150 | 1-10 | 500 | 350 | 158 | 280 | 240 | 8-23 |
| 200 | 1-6 | 645 | 446 | 206 | 335 | 295 | 8-23 |
| 250 | 1-6 | 800 | 516 | 256 | 395 | 350 | 12-23 |
| 300 | 1-4 | 940 | 562 | 304 | 440 | 400 | 12-23 |
| 350 | 1-4 | 840 | 500 | 460 | 16-23 | ||
| 400 | 1-4 | 915 | 580 | 525 | 16-25 |
Suitable for ore slurry, mud, dust, particles, slurry and other media; the hose is not crystallized
Our pinch valve sleeve materials currently include Linke’s patented 38-series Nadiflex composite rubber, Q-grade NR natural rubber jointly sourced from Lanxess and Mitsui, EPDM ethylene propylene rubber, SI6501 high molecular silicone rubber, and NBR nitrile rubber. Additionally, we offer specialized pinch valve sleeve materials such as Hypalon rubber, CR-grade chloroprene rubber, and B-grade IIR butyl […]
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