• TOZEN Dual Door Check Valve

    ,
    Descriptions
    CAST IRON DUAL DOOR CHECK VALVE
    SPECIFICATION
    FOR JIS B2239 10K / 16K FLANGE MOUNTING
    FACE-TO-FACE DIMENSION TO ISO 5752-82

    PRESSURE / TEMPERATURE RATINGS
    Working Pressure1.6 Mpa (DN50~600)
    1.0 Mpa (DN700~800)
    Testing PressureShell : 2.4 Mpa (DN50~600)
    1.5 Mpa (DN700~800)
    Seat : 1.76 Mpa (DN50~600)
    1.1 Mpa (DN700~800)
    Working Temperature-10°C to 120°C (EPDM Seat)
    -10°C to 80°C (NBR Seat)
    Suitable MediaWater, Oil & Gas



    DUCTILE IRON DUAL DOOR CHECK VALVE
    SPECIFICATION
    FOR BS 4504 PN25 FLANGE MOUNTING
    FACE-TO-FACE DIMENSION TO ISO 5752-82

    PRESSURE / TEMPERATURE RATINGS
    Working Pressure25 bar
    Testing PressureShell : 37.5 bar
    Seat : 27.5 bar
    Working Temperature-10°C to 120°C (EPDM Seat)
    -10°C to 80°C (NBR Seat)
    Suitable MediaWater, Oil & Gas

    MATERIALS
    PartMaterialBS
    BodyDuctile Iron2789 Gr. 420/12
    DiscDuctile Iron
    Aluminum Bronze
    Stainless Steel 304
    Stainless Steel 316    		2789 Gr. 420/12
    1400 AB2
    304 C15
    316 C16
    SpringStainless Steel 316316 S16
    ShaftStainless Steel 316316 S16
    Seat RingEPDM
    NBR

    DIMENSIONS
    Size
    mm    		A
    mm    		B
    mm    		C
    mm    		D
    mm
    50
    65
    80
    100
    125
    150
    200
    250
    300    		43
    46
    64
    64
    70
    76
    89
    114
    114    		106
    126
    141
    164
    192
    220
    280
    335
    394    		29
    36
    42
    53
    64
    77
    102
    127
    149    		19
    20
    28
    27
    30
    31
    33
    50
    43