Engineered for versatility and reliability across a wide range of industrial applications. This valve features a robust structure comprising a valve body, rubber tube sleeve, large and small valve stems, pressure plates, tie rods, brackets, and a handwheel, ensuring efficient flow control.
| 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, |
| Hand wheel | Cast iron |
| Acceptable other special requirements of the material | |
| DN | PN(Bar) | L | L1 | L0 | D | D1 | Z-ɸ | D0 | H |
| 25 | 1-16 | 145 | 124 | 31 | 115 | 85 | 4-14 | 120 | 150 |
| 32 | 1-16 | 160 | 145 | 40 | 135 | 100 | 4-18 | 140 | 174 |
| 40 | 1-16 | 180 | 157 | 50 | 145 | 110 | 4-18 | 140 | 186 |
| 50 | 1-16 | 210 | 160 | 60 | 160 | 125 | 4-18 | 160 | 205 |
| 65 | 1-16 | 250 | 199 | 74 | 180 | 145 | 4-18 | 160 | 238 |
| 80 | 1-16 | 300 | 222 | 88 | 195 | 160 | 4-18 | 200 | 241 |
| 100 | 1-16 | 350 | 250 | 106 | 215 | 180 | 8-18 | 240 | 301 |
| 125 | 1-10 | 430 | 318 | 134 | 245 | 210 | 8-18 | 280 | 360 |
| 150 | 1-10 | 500 | 350 | 158 | 280 | 240 | 8-23 | 320 | 405 |
| 200 | 1-6 | 645 | 446 | 206 | 335 | 295 | 8-23 | 560 | 545 |
| 250 | 1-6 | 800 | 516 | 256 | 395 | 350 | 12-23 | 560 | 632 |
| 300 | 1-4 | 940 | 562 | 304 | 440 | 400 | 12-23 | 620 | 741 |
| 350 | 1-4 | 840 | 500 | 460 | 16-23 | 700 | |||
| 400 | 1-4 | 915 | 580 | 525 | 16-25 | 750 |
Since 1982, Lianke valve has been committed to solving the problem of solid-liquid fluid control valves,and our full range of pinch valve solve this problem.
Lime and ash treatment is a thorny problem in power plant. The rubber pipe of the Butler valve of UNOCI valve scales, does not stick, and does not block or coagulate in the mud.
A-Lime wet scrubber system
B-FGD system
C-Ash removal system
D-Coal conveying device
E-Bottom ash handing
F- mud
The pinch valve of Lainke valve is simple in structure but durable, becoming the first choice valve for abrasive mud valve.Simple design, easy maintenance and low cost.
A – Lime feeding system
B- Flotation cell
C-Solid separation
D- Tailings
E- Coal washing
Pulp storage, pulp coating and recycled paper lines are some of the most difficult valve applications in pulp mills.The rubber pipe of the pinch valve of Lianke valve can be manufactured according to the customer requirements and can withstand abrasion of the medium.
A-Cyclone discharge
B-Pulp storage
C- Coating
D- Lime slurry
E- Deinking
Two-way flow, two-way sealing and zero leakage make the pinch valve of Lianke valve the ideal product.
A- Gravel system
B-Lime control
C-Polymer feeding system
D – Sewage and sludge control
E-Flow control
In many corrosive media applications, chemical plants also need to use the pinch valve of Lianke valve
A-Titanium dioxide
B-Industrial treatment
C-Slurry, chemicals
D- Powder
Our manual pinch valve offers a reliable, low-cost solution tailored to your specific needs, providing excellent value for money. Download our catalog for more information or get a quote today to discover how our product can enhance your operations.
Have questions? Our team is here to help you find the perfect valve solution.
Our Manual Pinch Valve is available with various sleeve materials, including EPDM for chemical applications, NR for high-wear scenarios, NBR for oils and fats, CR for ozone resistance, and IIR for impermeability to gases. The body can be constructed from aluminum alloy, cast iron, cast steel, or stainless steel, catering to diverse operational needs.
The Manual Pinch Valve operates by rotating the handwheel clockwise to engage the large and small valve stems, which compress the rubber tube sleeve between the upper and lower pressure plates, effectively closing the valve. Conversely, rotating the handwheel counterclockwise releases the pressure, allowing the valve to open. This straightforward mechanism ensures seamless on/off control and precise throttling capabilities.
Operators should be mindful of the rubber tube sleeve's limited bearing capacity. When opening or closing the valve, it is essential to feel the appropriate resistance when rotating the handwheel. Overexertion or using additional tools may damage the valve.
1.) With only the rubber sleeve requiring occasional replacement, this valve minimizes maintenance costs and downtime. Its straightforward design reduces the need for additional parts, making it a cost-effective solution, allowing easy operation with just a handwheel.
2.) Our Manual Pinch Valve can be installed in any part of the pipeline without restrictions on flow direction, making it adaptable to various systems, both economical and practical for long-term use
Whether you need an on/off service or throttling control, our pinch valve excels with its straight-through design that guarantees uninhibited flow and minimal pressure drop. The effective throttling ranges from 10% to 95% of the rated flow capacity means you get precise control in every situation.
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