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SS hydraulic pressure check valve butterfly type slow closing
Tilting disc check valve

SS hydraulic pressure check valve butterfly type slow closing

Type:slow closing type

Series:HH48X-16Q

Size: DN40-DN2000/2”-80”

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

Design standard: EN/DIN/API

Service: OEM&ODM

The stainless steel butterfly slow-closing check valve body is integrally cast using 304/316 stainless steel, featuring strong corrosion resistance and hygienic cleanliness. It is suitable for seawater, acid-base, food and pharmaceutical, and mildly corrosive medium pipelines. The sealing options include EPDM full rubber soft sealing and 2Cr13 metal surfacing hard sealing. The soft sealing achieves bidirectional zero leakage, while the metal sealing is suitable for medium-temperature corrosive fluids.

    Valve Type:

    Tilting disc check valve

    Structure:

    Butterfly type

    Standard:

    EN/DIN/API

    Workmanship:

    Investment casting

    Sealing direction:

    Single-directional

    Sealing grade:

    Zero leakage

    Temperature:

    -20°C<T<120°C

    Operation:

    Self-starting

    SS hydraulic pressure check valve butterfly type slow closing

    Characteristics

    This stainless steel tilting disc slow closing check valve is cast from 304/316 stainless steel with outstanding acid, alkali and seawater corrosion resistance. Eccentric short-stroke disc with external hydraulic buffer achieves two-stage closing to eliminate water hammer and noise. Low flow resistance improves pump efficiency with soft/metal sealing options, widely used in seawater desalination, food, pharmaceutical and corrosive chemical pipeline systems.

    butterfly type check valve

    Advantages

    1.Ss check valve CF8/CF8M stainless steel resists seawater, acid and alkali corrosion without rust, perfectly matches food, pharmaceutical, seawater desalination and chemical anti-corrosion pipeline projects.

    2.This stop check valve adopts short-stroke disc plus hydraulic staged slow closing eliminates water hammer and impact noise, protecting stainless steel pumps and anti-corrosion pipelines from pressure surge damage.

    3.Smooth stainless steel inner surface prevents scaling and silt jamming, avoids medium contamination, stable long-term operation with low maintenance frequency.

    Packing

    Standard export wooden case packaging

    packing1

    Application Scenarios

    This disc check valve widely used in Seawater desalination pump stations, food & pharmaceutical circulating pipelines, chemical acid & alkali medium lines, coastal power plant cooling water, pure water treatment, anti-corrosion sewage systems and marine aquaculture water circulation pipelines.

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    Material of main parts

    Components name

    Valve body

    Valve petal

    Valve lever,cylinder,piston

    Spring

    Valve seat

    Material

    Cast iron,cast steel

    Carbon steel

    Stainless steel

    Stainless steel

    Ding nitrile rubber

    Main Dimension

    Dimension

    DN (mm)

    L

    H

    H1

    40

    140

    200

    88

    50

    150

    215

    98

    65

    170

    225

    108

    80

    180

    235

    118

    100

    190

    280

    130

    125

    200

    290

    148

    150

    210

    310

    172

    200

    230

    350

    210

    250

    250

    415

    240

    300

    270

    450

    264

    350

    290

    480

    297

    400

    310

    550

    324

    450

    330

    585

    351

    500

    350

    640

    379

    600

    390

    720

    434

    700

    430

    780

    491

    800

    470

    840

    549

    900

    510

    990

    600

    1000

    550

    1050

    655

    1200

    630

    1210

    770

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