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Silent Check Valve
Industrial Valves
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Silent Check Valve

Description

The silent check valve features a compact size, light weight, and simple structure.The main function is to prevent medium backflow and water hammer and noise caused by the backflow of the medium. It is not suitable for media containing solid particles or high - viscosity working conditions..

Applicable Medium：Water

Temperature Range:-29℃～120℃

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    product details

    Specification

    Norminal diameter DN80-DN700
    Rating Pressure PN6 PN10 PN16 PN25 PN40
    CLASS150 CLASS300
    Design & Manufacture EN1074
    Flange Connection Dimension EN1092-2
    ASME B16.5/ASME B16.47
    Face To Face EN558-1 Series 8
    Inspection & Test EN12266-1

    Material List

    NO. Part Material
    1      Locating pin       Stainless steel
    2      Plug       Stainless steel
    3      Body       Ductile Iron / Carbon steel/ Stainless steel
    4      Retainer ring       Stainless steel
    5      Sealing ring       NBR / EPDM
    6      Disc       Ductile Iron / Carbon steel/ Stainless steel / Bronze
    7      Guide part       Ductile Iron / Carbon steel / Stainless steel
    8      Shaft       Stainless steel
    9      Bearing       Bronze
    10      Locking nut       Stainless steel
    11      Fasteners       Stainless steel
    12      O Ring       NBR / EPDM
    13      Spring       Stainless steel
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    Main Dimensions    

    DN Rating Pressure n×ød Hcd øD L H øR
    15  PN 16 4 × 14 65  95  115  190  120 
    20  PN 16 4 × 14 75  105  120  195  120 
    25  PN 16 4 × 14 85  115  125  234  120 
    32  PN 16 4 × 18 100  140  130  297  200 
    40  PN 16 4 × 18 110  150  140  300  200 
    50  PN 16 4 × 18 125  165  150  330  200 
    65  PN 16 4 × 18 145  185  170  393  200 
    80  PN 16 8 × 18 160  200  180  470  250 
    100  PN 16 8 × 18 180  220  190  545  250 
    125  PN 16 8 × 18 210  250  200  640  300 
    150  PN 16 8 ×22 240  285  210  740  300 
    200  PN 16 12 ×22 295  340  230  910  350 
    250  PN 16 12 ×26 355  405  250  1097  400 
    300  PN 16 12 ×26 410  460  270  1285  400 

    Why Choose Our Products?

    Experience the difference that precision engineering and high-quality materials can make. Choose our Spherical Plain Bearings, Rod Ends, and Ball Joints for your next project and ensure the highest standards of performance and reliability.
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    High-Quality Materials

    We use only the finest materials to ensure durability and reliability.
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    Precision Engineering

    Our products are designed with meticulous attention to detail for optimal performance.
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    Versatility

    Suitable for a wide range of applications across various industries.
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    Easy Installation

    User-friendly designs that simplify the installation process.

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    We are more than a supplier, our team is able to offer customized solutions from CAD design, engineering services, the manufacturing of components that strictly comply with the specification, to the complete management of the most complex projects. 
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