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Dual Plate Wafer Type Check Valve

Type: Wafer

Face to Face: API609, BS5155, DIN3202, 1S05752

Flange: DIN, BS, UNI.ISO, ANSI, AS,JIS

Mounting Flange: 1S05211

Working Pressure: PN16(200PSI)

Appliaction: HVAC, Water Supply&Sewage, Food&Beverage, Chemicalpetrochemical’processing. Power and Uilities, Paperand Pulp, Ship Building.

    Description

    Dual Plate Wafer Check Valve is a compact and efficient solution for preventing backflow in water, gas, oil, and other fluid systems. Designed with two spring-loaded plates, this valve offers quick response and minimal pressure loss, making it ideal for space-constrained pipelines.

    The dual plate wafer check valve operates automatically when fluid flows in the forward direction, with the plates opening under pressure. When flow stops or reverses, the springs quickly push the plates closed, providing a tight seal that protects pumps, compressors, and upstream equipment.

    Manufactured from cast iron, stainless steel, or carbon steel, this valve is corrosion-resistant and built for long service life. The wafer-style body allows for installation between standard flanges, making it easy to integrate into existing systems without major modifications.

    Thanks to its lightweight and low-profile design, the dual plate wafer check valve is often used in HVAC, water treatment, petrochemical, and marine applications. It meets international standards such as API 594 and EN 12334 and is pressure-tested before delivery.

    Whether you’re designing a new system or replacing older, bulky swing check valves, the dual plate wafer check valve offers superior performance in a compact form factor.

    Specifications:

    Nominal pressue (MPa)

    1.0

    1.6

    Nominal diameter(mm)

    50-800

    50-800

    Test pressure

    Shell

    1.5

    2.4

    (MPa)

    Seal

    1.1

    1.76

    Applicable temperature

    150

    Applicable medium

    Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids,
    Alkalis, etc.

    Operating mode

    manual, worm gear, pneumatic, electric, etc.

    Specifications

    Standards:

    Design & Manufacture

    Flange Connection

    Face to Face Dimension

    Test & Inspection

    API 594

    DIN PN10/16/25

    API594

    API 598

    Material:

    body

    Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel

    Plate

    Ductile Iron, Carbon Steel, Stainless Steel

    Spring

    Stainless Steel

    Hinge Pin

    Stainless Steel

    Plug

    carbon steel

    Body Bearing

    PTFE

    Spring Bearing

    PTFE

    Stop Pin

    Stainless Steel

    Eye Bolt

    Carbon Steel

    Body Seat

    NBR, EPDM, Viton, Neoprene

    Dimensions:(mm)

    SIZE (in)

    DN

    B

    E

    DIN PN10/16

    ANSI 150

    JIS 10K

    2

    50

    43

    66

    107

    102

    101

    2-1/2

    65

    46

    86

    127

    121

    121

    3

    80

    64

    95

    142

    133

    131

    4

    100

    64

    118

    162

    171

    156

    5

    125

    70

    146

    192

    193

    187

    6

    150

    76

    174

    218

    219

    217

    8

    200

    89

    225

    273

    276

    267

    10

    250

    114

    266

    328

    336

    330

    12

    300

    114

    311

    378/382

    406

    375

    14

    350

    127

    361

    438/442

    448

    420

    16

    400

    140

    411

    488/495

    511

    483

    18

    450

    152

    451

    538/555

    546

    538

    20

    500

    152

    506

    592/617

    603

    593

    24

    600

    178

    625

    695/734

    714

    697

    28

    700

    229

    721

    809

    828

    807

    32

    800

    241

    826

    916

    936

    917

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    company img (1)
    Company Profile 1(1)(1)

    Tianjin Guoji Valve Co., Ltd. is an export-oriented valve manufacturer with 15,332 square meter factory area, which has strong capability of R&D, Manufacture, Trading and Service. Now our company has passed the Lloyd's Register (LR) ISO9001: 2015 quality management system certification (ISO Approval number: ISO 9001 – 00033059) and CE/PED certification (EU Certificate Of Conformity). (Certificate No: 0343/PED/SHA/BJG00001668/A).
    TGV's products covered Butterfly valves, Check valves, Strainers, Gate valves, Ball valves, Globe valves, Expansion joints, Flanges and Fittings with pressure range from 0.5 to 6.4 MPa, size from DN15 to DN3000. The products also have been widely exported to more than 30 countries and regions.
    We aim at deliver only quality valves with professional services, we see quality and service as life and always take our reputation and promises seriously.

    Company Profile 2(1)(2)
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