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ZJHM series pneumatic film sleeve regulating valve

Product name: ZJHM series pneumatic film sleeve regulating valve
Listing Date: 2019-05-28
  • Overview
  • Features
  • Use environment

The ZJHM series pneumatic diaphragm sleeve control valve is a pressure balanced regulator. Equipped with a multi-spring actuator, the overall structure is compact, heavy and light, and stable. The fluid channel has a 3-stream type and low pressure drop loss, allowing for large pressure difference, low noise, and large circulation capacity. Widely used in precise control of gas, liquid and other media process parameters such as: pressure, flow, temperature, liquid level maintained at a given value. It is especially suitable for occasions where the flow rate is large, the pressure difference is large, and the leakage amount is not high.

This series of products are available in standard and adjustable cut-off type, bellows seal type, and jacket insulation type. The product's nominal pressure grade has households ~10, 16, 40, 64. The valve body diameter ranges from DN20 to 500, and the applicable fluid temperature ranges from -196 °C to +560 °C, and its range is various. The leakage standards are Class IV, Class V and Class VI. The flow characteristics are linear or equal percentage. A variety of varieties and specifications are available.

1. Adopting balanced valve core structure, the axial unbalance force is small, allowing large pressure difference and good stability. The sleeve has good interchangeability, convenient assembly and disassembly, and easy maintenance.

2. The full metal valve core structure is suitable for a variety of working situations, meeting the Class IV leakage standard, and the soft seal structure valve core meets the Class VI leakage standard.

3. The valve body is designed according to the principle of fluid mechanics as a low flow resistance flow path with equal surface, the adjustable range is large, the inherent adjustable ratio is 50:1, and the rated flow coefficient is increased by 30%.

4. The actuator adopts a multi-spring structure with a height reduction of 307%. Weight reduction of 30%.

5. ZJHMW type bellows seal regulating valve forms a complete seal on the moving valve stem to block the leakage of fluid.

Valve body bonnet

ZG230-450, ZG0Cr18Ni9

Spool seat

0Cr18Ni9, 0Cr18Ni9+PTFE, 0Cr18Ni9+ Stacey


PTFE, flexible graphite




Graphite wound gasket (V6590), toothed gasket

Membrane cover

A3, 0Cr18Ni9

Corrugated diaphragm

Clip reinforced nylon fabric nitrile rubber



Stem stem

0Cr18Ni9, 2cr13

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