Description
Air-Operated Pinch Valve | Pneumatic Pinch Valve
The solution for isolating, controlling, and metering abrasive, corrosive, and fibrous goods such as granulates, powder, pellets, dust, and liquids containing solids, among others.
Sleeve Materials For Pinch Valves
| Sleeve Material | Suitable Temperature | Typical Medium | Application |
| SBRT Styrene Butadiene, Flowrox Blend |
‘-40°C to +110°C | Abrasive materials, diluted acid, alkali and chemical applications | Heavy wearing High cycle frequency |
| EPDM Ethylene Propylene |
40°C to +120°C | Concentrated and oxidizing chemicals | Chemical applications – Applicable to 75% of all industrial chemical applications |
| NBR Nitrile Rubber |
-30°C to +100°C | Oils, fats, fuels, hydrocarbon, lubricants | Applications involving oils, fats and hydrocarbon |
| NR Natural Rubber |
‘-50°C to +75°C | Abrasive materials, diluted acids, alkali a chemicals | High wear applications |
| HNBR Hydrogenated Nitrile |
-30°C to +160°C | Oils, fats, fuels hydrocarbon, lubricants | High temperature applications |
| NRF Natural Rubber Foodstuff Quality White inner lining |
-40°C to +75°C | Media used in food and other CIP (clean-in-place) processes, alcohol | Foodstuff applications -Fulfils FDA Food and Drug Administration) requirements |
| NBRF Nitrile Rubber White inner lining |
-30°C to +100°C | Vegetable and animal oils and fats | Applications involving fatty foodstuff -Fulfls FDA (Food and Drug Administration) requirements |
| EPDM/B Ethylene Propylene, Blend |
-40°C to +100°C | Green liquor, alkaline and extraneous matter in green liquor processes |
Pulp and paper industry’s green liquor application |
| CR Chloroprene Rubber |
-40°C to +100°C | Chemicals, acids, several solvents, aliphatic oils, fats, lubricants |
Special-purpose chemical applications -Resilient to ozone and averse weather |
| FPM Fluorine Rubber (Viton⑧) |
-20°C to +120°C | Chemicals, aliphatic oils, aromatic and halogenated hydrocarbon | Special-purpose chemical applications -Resilient to ozone and averse weather |
| CSM Chloro-sulphone-ethylene(Hypalon@) |
-40°C to +100°C | Chemicals, acids, several solvents, aliphatic oils, fats, lubricants | Special-purpose chemical applications -Resilient to ozone and averse weather |
| IIR Butyl |
-40°C to +100°C | Concentrated and acidic chemicals, vegetable oils | Special-purpose chemical applications -Impermeable to gas |
| PU Polyurethane with PU lining |
-10°C to +80°C | Abrasive materials, diluted chemicals, hydrocarbon, oils, lubricants | Abrasive media applications |
Different Flange Types of Pneumatic/Air-Operated Pinch Valves
Different Flanged Ends Types
a. Aluminum Flange
b. Aluminum Flange with Stainless Stel Bushing
c. Aluminum Flange with Internal Threaded
d. Aluminum Flange with Flange Sleeve
Dimensions of Flanged Ends
| DN(mm) | D1 | DA | DF | nB (number of holes) |
Φd | ΦTK | L | G | H | E | PS Max. (Bar) | G1 (Internal Threaded) |
GT |
| 40 | 40 | 150 | 88 | 4 | 18 | 110 | 155 | G1/4″ | 56 | 28 | 6 | G11/2″ | 19 |
| 50 | 50 | 165 | 102 | 4 | 18 | 125 | 183 | G1/4″ | 65 | 28 | 6 | G2″ | 24 |
| 65 | 65 | 185 | 122 | 4 | 18 | 145 | 183 | G1/4″ | 81 | 30 | 6 | G21/2″ | 22 |
| 80 | 80 | 200 | 138 | 8 | 18 | 160 | 228 | G1/4″ | 95 | 31 | 6 | G3″ | 22 |
| 100 | 100 | 220 | 158 | 8 | 18 | 180 | 280 | G1/4″ | 112 | 35 | 6 | G4″ | 20 |
| 125 | 125 | 250 | 184 | 8 | 18 | 210 | 348 | G1/4″ | 136 | 40 | 6 | – | – |
| 150 | 150 | 285 | 212 | 8 | 22 | 240 | 418 | G1/4″ | 160 | 43 | 6 | – | – |
| 200 | 200 | 340 | 268 | 8 | 22 | 295 | 558 | G3/8″ | 206 | 60 | 4 | – | – |
| 250 | 250 | 395 | 320 | 12 | 22 | 350 | 680 | G1/2″ | 266 | 67 | 3 | – | – |
| 300 | 300 | 445 | 370 | 12 | 22 | 400 | 820 | G1/2″ | 306 | 70 | 3 | – | – |
Threaded Ends Dimension of Pneumatic/Air-Operated Pinch Valves
| DN(mm) | D1 | D2 | IG | GT | L1 | L2 | G | H |
| 10 | 46 | 35 | G3/8″ | 12 | 68 | 80 | G1/8″ | 23 |
| 15 | 56 | 47 | G1/2″ | 15 | 85 | 95 | G1/8″ | 28 |
| 20 | 62 | 49 | G3/4″ | 17 | 93 | 103 | G1/8″ | 32 |
| 25 | 72 | 57 | G1″ | 20 | 110 | 120 | G1/8″ | 37 |
| 32 | 80 | 66 | G11/4″ | 21 | 130 | 140 | G1/4″ | 45 |
| 40 | 90 | 77 | G11/2″ | 21 | 150 | 160 | G1/4″ | 50 |
| 50 | 110 | 88 | G2″ | 25 | 175 | 185 | G1/4″ | 60 |
| 65 | 139 | 115 | G21/2″ | 30 | 173 | 200 | G1/4″ | 74 |
| 80 | 173 | 133 | G3″ | 33 | 213 | 230 | G1/4″ | 90 |
| 100 | 203 | 156 | G4″ | 20 | 264 | 280 | G1/4″ | 107 |
