• TOZEN Wafer Type Butterfly Valve

    ,
    Descriptions
    SPECIFICATION
    FOR BS 4504 PN10 OR PN16 FLANGE MOUNTING・FACE-TO-FACE DIMENSION TO ISO 5752 / BS 5155 / BS EN 593 LEVER / WORM GEAR OPERATOR

    PRESSURE / TEMPERATURE RATINGS
    Working Pressure16 bar
    Testing PressureShell : 24 bar
    Seat:17.6 bar
    Working Temperature-20oC to 110oC
    (EPDM Seat)
    -10oC to 80oC
    (NBR Seat)
    Suitable MediaWater, Oil & Gas

    MATERIALS
    PartMaterialBS
    BodyCast Iron
    Ductile Iron    		Gr. 220
    Gr. 420/12
    DiscDuctile Iron
    Aluminum Bronze
    Stainless Steel 304
    Stainless Steel 316    		Gr. 420/12
    1400 AB2
    304 C15
    316 C16
    Seat RingEPDM
    NBR
    PTFE
    Viton
    ShaftStainless Steel 410
    Stainless Steel 431
    Stainless Steel 316    		410 S21
    431 S29
    316 S16
    Taper pinsStainless Steel 316316 S16
    KeyCarbon Steel
    O-RingNBR
    BushingPTFE
    (DN50 ~ 600)
    Luberized Bronze
    (DN50 ~ 1000mm)

    DIMENSIONS
    Size
    mm    		A
    mm    		B
    mm    		C
    mm    		D
    mm    		E
    mm    		F
    mm    		G
    mm    		Cv
    90°
    50
    65
    80
    100
    125
    150
    200
    250
    300
    350    		42
    45
    45
    52
    54
    56
    61
    66
    77
    77    		80
    89
    97
    114
    127
    140
    175
    203
    244
    269    		195
    208
    213
    234
    246
    259
    305
    338
    381
    -    		267
    267
    267
    267
    267
    267
    358
    358
    358
    -    		272
    287
    292
    310
    325
    338
    452
    485
    526
    556    		173
    173
    173
    173
    173
    173
    239
    239
    226
    226    		150
    150
    150
    150
    150
    150
    285
    285
    285
    285    		135
    220
    302
    600
    1022
    1579
    3136
    5340
    8250
    11917