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Stainless steel lift check valve For Water Pump
lifting check valve

Stainless steel lift check valve For Water Pump

Type:Lift type

Series:H41W-16P

Size: DN40-DN700/2”-28”

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

Design standard: DIN/API

Service: OEM&ODM

The lift check valve, also known as the lift non-return valve, is an automatic one-way protective valve. The valve disc lifts vertically along the guide sleeve of the valve body to achieve on-off operation. When the medium flows in the forward direction, the valve disc is lifted to open. When the flow stops or reverses, it quickly falls back to seal by its own weight and spring, blocking the backflow of the medium.

    Valve Type:

    Lifting check valve

    Structure:

    Lift type

    Standard:

    EN/API

    Workmanship:

    Investment casting

    Sealing direction:

    Single-directional

    Sealing grade:

    Zero leakage

    Temperature:

    -20°C<T<120°C

    Operation:

    Self-starting

    Characteristics

    This lift check valve is an automatic non-return valve with vertically lifting disc guided by inner sleeve to prevent medium backflow. Available in ductile iron, WCB carbon steel, 304/316 stainless steel with metal or soft PTFE/EPDM sealing. It features tight shutoff, high pressure and temperature resistance. Widely used for boiler feed water, steam, oil, chemical and high-pressure clean fluid pipeline systems.

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    Advantages

    1.The surface sealing structure of this piston check valve can withstands high pressure and temperature. Fast closing prevents pump reversal and pipeline pressure loss, ideal for critical boiler and thermal pipeline systems.

    2.The lifting one way valve built-in guide sleeve keeps disc moving vertically without jamming, stable long-term operation and low maintenance downtime.

    3.Compact simple structure with easy seal replacement, small size fits narrow pump room and small-diameter precision pipelines.

    Packing

    Standard export wooden case packaging

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    Application Scenarios

    This lifting type check valve is widely used in power plant boiler feed water lines, thermal steam circulation pipelines, petrochemical oil piping, high-pressure HVAC circulating water, compressed air systems, pharmaceutical pure water delivery and heat exchange pump rooms.

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    Material

    Body,bonnet,disc,rocker,guide sleeve


    Pin


    Gasket


    Sealing surface

    Working temperature


    Applicable medium

    WCB

    20Cr13


    1Cr13/PTFE

    Enhanced
    Flexible graphite
    1Cr13/Flexible
    Graphite
    S.S/Acie–proof
    asbestos
    Tooth profile gasket

    13Cr
    STL

    PTFE

    With
    bodymater rial
    Nylon

    ≤425

    Water,steam,oil,nitric acid,acetic acid,strong oxidizing medium,urea,etc.

    WC1

    ≤450

    WC6

    ≤540

    WC9

    ≤570

    C5 C12

    ≤550

    CF8

    304

    ≤600

    CF3

    304L

    CF8M

    316

    CF3M

    316L

    Dimension

    dimension

    DN(mm)

    L

    D

    D1

    D2

    b-f

    Z-φd

    H

    15

    130

    95

    65

    45

    16-2

    4-φ14

    77

    20

    150

    105

    75

    58

    18-2

    4-φ14

    77

    25

    160

    115

    85

    68

    18-2

    4-φ14

    80

    32

    180

    140

    100

    78

    18-2

    4-φ18

    85

    40

    200

    150

    110

    88

    18-3

    4-φ18

    95

    50

    230

    165

    125

    102

    18-3

    4-φ18

    105

    65

    290

    185

    145

    122

    18-3

    8-φ18

    120

    80

    310

    200

    160

    138

    20-3

    8-φ18

    130

    100

    350

    220

    180

    158

    20-3

    8-φ18

    140

    125

    400

    250

    210

    188

    22-3

    8-φ18

    155

    150

    480

    285

    240

    212

    22-3

    8-φ22

    180

    200

    600

    340

    295

    268

    24-3

    12-φ22

    215

    250

    730

    405

    355

    320

    26-3

    12-φ26

    260

    300

    850

    460

    410

    378

    28-4

    12-φ26

    315

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