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Cast Iron Swing Check Valve Flanged Ends
Check Valve &Strainer

Cast Iron Swing Check Valve Flanged Ends

Size: DN50-DN900

Body: Cast iron / Ductile iron / Carbon steel / Stainless steel

Disc: Plated ductile iron / Aluminum bronze

Stem: Stainless steel

Seat: EPDM/NBR /  Silicon

Spring: SS304 / SS316

Description

The wafer check valve is a specially designed check valve. It is usually installed between pipe flanges and fixed by bolts. The main application scenarios are water supply system, HVAC system, petrochemical, sewage treatment.

    Product Details

    Swing check valves non-return valve also known as check valves or check valves, its role is to prevent the flow of media in the pipeline.Open and close parts rely on the flow of media and force to open or close, in order to prevent the backflow of media valves called check valves.Check valves belong to automatic valves, mainly used for one-way flow of media on the pipeline, only allow the media to flow in one direction, in order to prevent accidents.This class of valves should generally be installed horizontally in the pipeline.

    Working Principle

    When fluid flows in the correct direction, the pressure pushes the disc to swing open, allowing the medium to pass through with minimal resistance. If the flow stops or reverses, gravity and back pressure cause the disc to swing back onto the valve seat, forming a tight seal and preventing reverse flow.

    Key Features

    Simple and Robust Design
    Low Flow Resistance
    Automatic Operation
    Excellent Sealing Performance
    Versatile Installation

    Specification

    Specification

    N0.

    Part Name

    Material

    1

    Body

    Cast Iron

    2

    Seat Ring

    Cast Bronze

    3

    Disc

    Cast Iron

    4

    Disc Ring

    Cast Bronze

    5

    Body Gasket

    EPDM

    6

    Bonnet

    Cast Iron

    7

    Identification Plate

    Aluminum

    8

    Bolts

    Steel

    Dimensions

    SIZE

    L(DN)

    PN10

    in

    DN

    DIN3202-F6

    D

    D1

    n-Ød

    D2

    b

    f

    2

    50

    200

    165

    125

    4-19

    99

    19

    3

    2.5

    65

    240

    185

    145

    4-19

    118

    19

    3

    3

    80

    260

    200

    160

    8-19

    132

    19

    3

    4

    100

    300

    220

    180

    8-19

    156

    19

    3

    5

    125

    350

    250

    210

    8-19

    184

    19

    3

    6

    150

    400

    285

    240

    8-23

    211

    19

    3

    8

    200

    500

    340

    295

    12-23

    266

    20

    3

    10

    250

    600

    395

    350

    12-28

    319

    22

    3

    12

    300

    700

    445

    400

    12-28

    370

    24.5

    4

    14

    350

    800

    505

    460

    16-28

    429

    24.5

    4

    16

    400

    900

    565

    515

    16-31

    480

    24.5

    4

    18

    450

    1000

    615

    565

    20-31

    530

    25.5

    4

    20

    500

    1100

    670

    620

    20-34

    582

    26.5

    4

    24

    600

    1300

    780

    725

    20-37

    682

    30

    5

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