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One Way Valve Ductile/ Cast Iron Body CF8 Disc
Wafer Type

One Way Valve Ductile/ Cast Iron Body CF8 Disc

Type: Wafer type

Series: H71X-10/16

Size: DN40-DN700/2”-28”

Pressure rating: PN6/PN10/PN16/PN25

Design standard: BS5153

Service: OEM&ODM

The dual disc spring wafer check valve is designed to prevent medium backflow in pipelines, achieving automatic opening and closing via the dynamic force generated by the inherent medium flow.

    Valve Type:

    Wafer check valve

    Structure:

    Double disc

    Standard:

    BS5153

    Workmanship:

    Investment casting

    Sealing direction:

    Single-directional

    Sealing grade:

    Zero leakage

    Temperature:

    -20°C<T<120°C

    Operation:

    Self-starting

    Characteristics

    With a wafer-type structure, it can be directly clamped between two pipeline flanges, eliminating the need for extra installation clearance. Compared with flange-end check valves, it significantly minimizes the overall footprint of the piping system, making it ideal for space-restricted applications.

    Characteristics

    Advantages

    1. Anti impact, shock absorption and noise reduction

    Partial clamp check valves are equipped with buffering mechanisms or damping devices, which can reduce the impact force when the valve disc is closed, weaken the influence of water hammer effect, reduce the noise and vibration during valve opening and closing, and protect the safe operation of pipelines and downstream equipment.

    2. Low maintenance cost

    The structure has a high degree of modularity, and vulnerable parts such as valve discs and seats can be quickly disassembled and replaced without the need to dismantle the valve as a whole; The inner wall of the flow channel is smooth and not easy to accumulate impurities, making daily cleaning and maintenance convenient and reducing downtime for maintenance.

    3. Wide material adaptability

    The valve body can be made of ductile iron, cast steel, stainless steel and other materials. The valve disc and seat can be matched with stainless steel, copper alloy or wear-resistant rubber according to the characteristics of the medium, which can adapt to various working conditions such as water, sewage, oil, acid and alkali media, and meet the anti-corrosion and wear-resistant needs of different industries.

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    Packing

    Standard export wooden case packaging

    Standard export wooden case packaging

    Application Scenarios

    It is widely applied in piping systems across diverse sectors including water supply, wastewater treatment, fire protection, petroleum, chemical processing, power generation and metallurgy, with exceptional adaptability to space-constrained installations.

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    Material

    Body Disc Stem Rubber gasket Spring
    Name Code Name Code Name Name Code Working temp ℃ Name
    Cast Iron
    Ductile lron
    Carbon steel
    Stainless stee
    Z
    Q
    C
    P
    Plated ductile Iron
    Aluminum bronze
    ZG1Cr13Ni9Ti Stainless steel
    CF8M Stanless steel
    CF8M Stainless steel
    1
    2
    5
    7

    Stainless

    steel

    EPDM
    Neoprene
    NBR
    Neoprene
    X3
    X4
    X5
    X7
    -46~+121 Short time
    -50~+150
    -29~+99 Short time
    -35~+113
    -23~+82 Short time
    -23~+93
    -23~+150

    Stainless

    steel

    Dimension

    Dimension

    DN

    D

    D1

    D2

    L

    R

    t

    mm

    inch

    50 2" 107 65 43.3 43 28.2 19
    65 2.5" 127 80 60.2 46 36.1 20
    80 3" 142 94 66.4 64 43.4 28
    100 4" 162 117 90.8 64 52.8 27
    125 5" 192 145 116.9 70 65.7 30
    150 6" 218 170 144.6 76 78.6 31
    200 8" 273 224 198.2 89 104.4 33
    250 10" 328 265 233.7 114 127 50
    300 12" 378 310 283.9 114 148.3 43
    350 14" 438 360 332.9 127 172.4 45
    400 16" 489 410 381.0 140 197.4 52
    450 18" 539/555 450 419.9 152 217.8 58
    500 20" 594 505 467.8 152 241 58
    600 24" 690 624 572.6 178 295.4 73
    700 28" 800 720 680 229 354 98

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