â… ï¼ŽProduct Introduction
The Pneumatic Piston Cut-off Valve is a high-performance industrial control valve designed for precise and reliable on-off control of various mediums in industrial pipelines. It adopts a pneumatic piston actuator as the power source, which combines with a rational valve body structure to achieve fast, stable and efficient cut-off operations. This valve is widely used in petroleum, chemical, power, metallurgy, water treatment and other industrial fields, playing a crucial role in ensuring the safe and stable operation of pipeline systems, regulating medium flow and preventing medium backflow.
The core design of the valve focuses on adaptability and durability. It can be perfectly matched with different pipeline systems and control requirements, and has strong resistance to harsh working conditions such as high pressure and high temperature. Whether it is controlling the transportation of steam in power plants, the circulation of oil in chemical plants, or the flow of water in water treatment projects, the Pneumatic Piston Cut-off Valve can exert excellent performance, providing strong support for the automation and intelligent operation of industrial production.
Ⅱ．Product Features
1. Fast Response Speed: Equipped with a high-performance pneumatic piston actuator, the valve has a fast opening and closing speed, which can quickly respond to control signals. It usually completes the cut-off action in a short time, effectively avoiding potential safety hazards caused by delayed response in emergency situations.
2. Stable and Reliable Operation: The bolt pressing type gland design ensures that the valve has good sealing performance and structural stability. It can effectively prevent medium leakage and ensure the tightness of the valve even under high pressure working conditions. At the same time, the single seat valve plug form optimizes the flow channel, reduces flow resistance, and makes the operation more stable.
3. Excellent Sealing Performance: Adopting V-type PTFE packing as the sealing material, it has excellent corrosion resistance, high temperature resistance and wear resistance. The V-type structure enhances the sealing effect, ensuring that the valve has zero leakage or minimal leakage during use, which is conducive to improving the efficiency of the system and reducing environmental pollution.
4. Wide Adaptability: It covers a wide range of sizes from 3/4″ to 8″ and nominal pressures from PN1.6MPa to 6.4MPa, which can meet the needs of different pipeline specifications and working pressure requirements. In addition, it is suitable for various mediums such as steam, water, oil and gas, and has a temperature control range of 0 ~ 250°C, showing strong adaptability to different working environments.
5. Easy Installation and Maintenance: The overall structure of the valve is simple and reasonable, with standardized connection methods, which is convenient for on-site installation and disassembly. The wearing parts such as sealing packing are easy to replace, which reduces the maintenance cost and downtime, and improves the economic benefits of the enterprise.
Ⅲ．Technical Data
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Gland Form: Bolt pressing type
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Plug Form: Single seat valve
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Size: 3/4″~8″
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Nominal Pressure: PN1.6, 2.5, 4.0, 6.4MPa
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Sealing Packing: V type PTFE packing
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Using Medium: Steam, water, oil, gas
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Temperature Control Range: 0 ~ 250°C
Ⅳ．The main shape and connection size
| Nominal Diameter (mm/in) | 20 / 3/4″ | 25 / 1″ | 32 / 1-1/4″ | 40 / 1-1/2″ | 50 / 2″ | 65 / 2-1/2″ | 80 / 3″ | 100 / 4″ | 125 / 5″ | 150 / 6″ | 200 / 8″ | |
| A | 125 | 160 | 200 | 250 | 320 | |||||||
| L | PN16 |
150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 |
| H | 53 | 58 | 70 | 75 | 83 | 93 | 100 | 110 | 125 | 143 | 170 | |
| H1 | 220 | 220 | 235 | 235 | 240 | 250 | 260 | 265 | 350 | 400 | 500 | |
| H2 | 120 | 120 | 120 | 155 | 155 | 200 | 200 | 200 | 230 | 230 | 230 | |
(Three way structure)connecting dimensions
| Nominal Diameter (mm/in) | 20 / 3/4″ | 25 / 1″ | 32 / 1-1/4″ | 40 / 1-1/2″ | 50 / 2″ | 65 / 2-1/2″ | 80 / 3″ | 100 / 4″ | 125 / 5″ | 150 / 6″ | 200 / 8″ | |
| A | 125 | 160 | 200 | 250 | 320 | |||||||
| L | PN16 |
150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 |
| H | 80 | 80 | 80 | 75 | 95 | 105 | 105 | 105 | 150 | 195 | 250 | |
| H1 | 220 | 220 | 235 | 235 | 240 | 250 | 260 | 265 | 350 | 400 | 500 | |
| H2 | 120 | 120 | 120 | 155 | 155 | 200 | 200 | 200 | 230 | 230 | 230 | |
