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Zheyi Pipeline (Wuhan) Co., Ltd.
Custom UPVC/CPVC Valve
Union Diaphragm Valve

Union Diaphragm Valve

The joint diaphragm valve is an efficient fluid control device widely applied in industries such as chemical processing, pharmaceuticals, food processing, and water treatment. It is designed to deliver sealing performance, ensuring the safety and cleanliness of the medium.

The core feature of the joint diaphragm valve is its unique diaphragm structure. This design not only effectively isolates the valve body from the medium, preventing leaks and contamination, but also enables precise flow control. Users can easily adjust the fluid flow with simple manual or electric operation to meet the needs of different processes.

The valve is also easy to install and maintain, equipped with standard connection flanges suitable for various piping systems. Additionally, its design considers ease of cleaning, making it ideal for applications requiring high hygiene standards.

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  • Union Diaphragm Valve
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Parameter Application Technical Standards

  • SIZE/NOM.

    dn20

    dn25

    dn32

    dn40

    dn50

    dn63

     (DN15)

     (DN20)

     (DN25)

     (DN32)

     (DN40)

     (DN50)

    (1/2")

    (3/4")

    (1")

    (1-1/4")

    (1-1/2")

    (2")

    d1

    DIN

    20.3

    25.3

    32.3

    40.3

    50.3

    63.3

    ANSI

    21.51

    26.87

    33.62

    42.4

    48.45

    60.65

    JIS

    22.4

    26.45

    32.56

    38.63

    48.73

    56.82

    d2

    DIN

    20.1

    25.1

    32.1

    40.1

    50.1

    63.1

    ANSI

    21.25

    26.6

    33.3

    42.06

    48.18

    60.27

    JIS

    21.75

    25.7

    31.71

    37.67

    47.76

    55.77

    L

    142

    162

    175

    196

    227

    272

    H

    90

    95

    105

    125

    145

    172

    A

    77

    77

    87

    100

    117

    137

    I

    22

    22

    22

    26

    32

    39

    N-M

    2-M6

    2-M6

    2-M6

    2-M8

    2-M8

    2-M8

    F

    25

    25

    25

    36

    36

    45
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Company
Zheyi Pipeline (Wuhan) Co., Ltd.
Zheyi Pipeline (Wuhan) Co., Ltd.

ZHEYI Group is China Union Diaphragm Valve Suppliers and Custom Union Diaphragm Valve Factory. We were founded in 2007, specializing in R&D, manufacturing, selling, and service of industrial pipelines of CPVC, and UPVC. It has obtained a Production License of Special Equipment, Zhejiang Province water-related products sanitary license approval document, IS09001 quality management system certificate, IS014001 environmental management system certificate, IS045001 occupational health and safety management system certificate and other certificates. It also holds more than 50 independent intellectual property rights and self-management import and export power. To provide diversified products and better service, the company has introduced advanced technology, tooling equipment, and unique raw materials and management systems from Germany and America. Over the years, our products are widely used in the chemical industry, metallurgy, photovoltaic, nuclear power, lithium, electronic semiconductor, food, medicine, automotive, industrial water treatment and other industries in acid and alkali liquid, ultra-pure water, drinking water, electronic grade water, industrial wastewater pipeline transportation. Currently, ZHEYI Group has set up over 30 sales companies nationwide. Categories of products are exported to Europe, America, Southeast Asia and other countries and regions. Our products are welcomed by customers in domestic and international markets.

Certificate Of Honor
  • ISO 9001:2015
  • ISO 14001:2015
  • ISO 45001:2018
  • ISO 45001:2018
  • ISO:45001-2018 En
  • national high-tech enterprise
  • Certificate
  • Certificate
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