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Diaphragm valve

    DNHH1LØD
    		ØdØk螺栓数量



    		DINANSI

    		DINANSIDINANSIDINANSI



    		阀体材质代码D/A1阀体材质代码A2阀体材质代码D阀体材质代码A1/A2阀体材质代码D阀体材质代码A1/A2阀体材质代码D阀体材质代码A1/A2阀体材质代码D阀体材质代码A1/A2
    1532.518130
    		9588.91415.96560.344
    20351915011810598.41415.97569.944
    2537.5191601271151081415.98579.444
    325028180146140117.51815.910088.944
    4054282001591501271815.911098.444
    506635230191165152.41819.1125120.744
    6567.527.5290216185177.81819.1145139.744
    8079.531.5310254200190.51819.1160152.484
    10010443350305220228.61819.1
    		180190.588
    125140654003562502541822.2210215.988
    15014758480406285279.42222.2240241.388
    20020282521521340342.92222.2295298.5128
    250265120.5635635395406.42225.43503621212
    300314142749749445482.62225.4400431.81212






  • Parameters

    DNHH1LØD
    		ØdØk螺栓数量



    		DINANSI

    		DINANSIDINANSIDINANSI



    		阀体材质代码D/A1阀体材质代码A2阀体材质代码D阀体材质代码A1/A2阀体材质代码D阀体材质代码A1/A2阀体材质代码D阀体材质代码A1/A2阀体材质代码D阀体材质代码A1/A2
    1532.518130
    		9588.91415.96560.344
    20351915011810598.41415.97569.944
    2537.5191601271151081415.98579.444
    325028180146140117.51815.910088.944
    4054282001591501271815.911098.444
    506635230191165152.41819.1125120.744
    6567.527.5290216185177.81819.1145139.744
    8079.531.5310254200190.51819.1160152.484
    10010443350305220228.61819.1
    		180190.588
    125140654003562502541822.2210215.988
    15014758480406285279.42222.2240241.388
    20020282521521340342.92222.2295298.5128
    250265120.5635635395406.42225.43503621212
    300314142749749445482.62225.4400431.81212






1.The principle of diaphragm valve

2.The mechanical operation part has no contact with the medium at all.

3.When the internal shape is not fully open, the fluidity of the medium is not optimal.

4.Due to its sealed structure, there are no dead corners.


1. The diaphragm valve has a simple structure, low fluid resistance, and larger flow capacity compared to other types of valves of the same specification;

2. Suitable for corrosive, viscous, and slurry media.

3. The valve is easy to disassemble and repair quickly, and replacing the diaphragm can be completed on-site and in a short period of time.

4. No leakage, can be used for regulating high viscosity and suspended particle media. The diaphragm isolates the medium from the upper chamber of the valve stem, so there is no packing medium and no leakage.

5. The flow characteristics of the diaphragm valve are close to the fast opening characteristics, and are approximately linear before 60% of the stroke, with little change in flow after 60%.

6. Pneumatic diaphragm valves can also be equipped with feedback signals, limiters, and locators to meet the needs of self-control, program control, or flow regulation.

7. The feedback signal of the pneumatic diaphragm valve adopts contactless sensing technology. This product uses a thin film propulsion cylinder instead of a piston cylinder, eliminating the disadvantage of piston rings being easily damaged, causing leakage and preventing the valve from being pushed open and closed. When the gas source malfunctions, the handwheel can still be operated to open and close the valve.

8. In case of emergency use in China, stock and accessories are available in small quantities.


1. It cannot be used in high pressure situations.

2.Due to the limitations of diaphragm and lining materials, the pressure resistance and temperature resistance are poor, and are generally only suitable for nominal pressures of 1.6 MPa and below 150 ° C.


Diaphragm valve
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Phone：+86  13820279078 

              +86  13920031880

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Address：No. 5 Road North, Industrial Zone, Xiaozhan Town, Jinnan District, Tianjin City

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Contact +

Phone：+86  13820279078    

              +86  13920031880

TEL：   +86  022-28596699

Email：sales@valobal.com

Address：No. 5 Road North, Industrial Zone, Xiaozhan Town, Jinnan District, Tianjin City

版权 © valobal 所有  津ICP备2567604903案

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