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Spring Loaded Check Valve stainless steel silent valve
silent check valve

Spring Loaded Check Valve stainless steel silent valve

Type:Silent type

Series:HC41X-16C

Size: DN40-DN700/2”-28”

Pressure rating: PN10/PN16/150LB/300LB

Design standard: DIN/API

Service: OEM&ODM

Th stainless steel silent check valve body is integrally cast using CF8/CF8M stainless steel, featuring excellent acid and alkali resistance, corrosion resistance, and rust prevention. It is suitable for special working conditions such as water purification, chemical corrosive media, and seawater.

    Valve Type:

    Silent check valve

    Structure:

    Silent type

    Standard:

    API609

    Workmanship:

    Investment casting

    Sealing direction:

    Single-directional

    Sealing grade:

    Zero leakage

    Temperature:

    -20°C<T<120°C

    Operation:

    Self-starting

    Ductile iron GGG40 silent check valve soft seal

    Characteristics

    This SS silent check valve (304/316) is an anti-corrosion non-slam check valve with streamlined axial flow passage and spring quick-close structure. It effectively eliminates water hammer and operating noise while preventing medium backflow automatically. Excellent acid, alkali and seawater resistance makes it ideal for pure water, food, pharmaceutical, chemical and seawater desalination pipeline systems.

    Ductile iron GGG40 silent check valve soft seal-1

    Advantages

    1.The CF8 silent one way valve resists acid, alkali and seawater corrosion without rusting, meeting anti-corrosion requirements for food, pharmaceutical, chemical and seawater desalination projects.

    2.Spring-assisted quick-close design avoids violent impact, eliminates pipeline noise and water hammer, effectively protecting pumps and pipeline accessories.

    3.Smooth stainless steel inner surface prevents scaling and medium contamination. Wear-resistant internal parts ensure stable long-term operation with low maintenance costs.

    Packing

    Standard export wooden case packaging

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    Application Scenarios

    This CF8M silent check valve is widely used in Pure water delivery pipelines, food & pharmaceutical process piping, seawater desalination systems, chemical acid & alkali medium lines, stainless steel circulating water equipment and anti-corrosion water supply projects.

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    Material

    Part name

    Material

    Part name

    Material

    Body

    GJS 500-7

    Gasket

    EPDM

    Disc

    GJS 500-7+EPDM


    Disc nut

    ANSI 304

    Spring

    ANSI 304


    Guide sleeve

    C61900

    OO-ring

    NBR

    Baffle

    GJS 500-7

    Stem

    ANSI 304

     

    Dimension

    dimension

    Nominal diameter

    L

    D

    D1

    N-Φd

    DN(mm)

    NPS(in)

    PN10

    PN16

    PN25

    PN10

    PN16

    PN25

    PN10

    PN16

    PN25

    50

    2"

    150

    165

    165

    165

    125

    125

    125

    4-Φ19

    4-Φ19

    4-Φ19

    65

    2.5"

    170

    185

    185

    185

    145

    145

    145

    4-Φ19

    4-Φ19

    8-Φ19

    80

    3"

    180

    200

    200

    200

    160

    160

    160

    8-Φ19

    8-Φ19

    8-Φ19

    100

    4"

    190

    220

    220

    235

    180

    180

    190

    8-Φ19

    8-Φ19

    8-Φ23

    125

    5"

    200

    250

    250

    270

    210

    210

    220

    8-Φ19

    8-Φ19

    8-Φ28

    150

    6"

    210

    285

    285

    300

    240

    240

    250

    8-Φ23

    8-Φ23

    8-Φ28

    200

    8"

    230

    340

    340

    360

    295

    295

    310

    8-Φ23

    12-Φ23

    12-Φ28

    250

    10"

    250

    395

    405

    425

    350

    355

    370

    12-Φ23

    12-Φ28

    12-Φ31

    300

    12"

    270

    445

    460

    485

    400

    410

    430

    12-Φ23

    12-Φ28

    16 -Φ31

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