Cast Body Flanged Ball Valves  ★★★★
  • B51
  • Series B51 cast body flanged ball valve is full bore designed according to API 608 and suitable for shutoff of various medium without much dirt such as air, gas, water, oil and liquids.

    FEATURES

    . Bolted bonnet and split body design
    . Full bore for better Kw/Cv
    . Blow-out-proof stem
    . Both pure PTFE and 25% carbon fiber reinforced RPTFE seatavailable
    . Anti-static devices for ball-stem-body
    . Fire safe design
    . Floating type ball
    . Flanged or butt welding ends
    . Worm gear operator available

    Design standardAPI 608/API 6D
    Fire safe standardAPI 607
    ConnectionFlanged ends according to ASME B16.5, Butt welding ends to ASME B16.25
    Nominal diameter1/2"-12"
    Pressure ratingANSI Class150, ANSI Class300
    Face to faceASME B16.10
    Temperature range-20°C to +200°C
    OperationHand lever, Gear box


    No.Part nameMaterial
    1BodyCF8MLCBWCB
    2BallSS316SS304SS304
    3SeatPTFE,RPTFE
    4StemSS316SS304SS304
    5BonnetCF8MLCBWCB
    6Bonnet gasketPTFE,Graphite+316
    7Bonnet studA193 B8A320 L7A193 B7
    8Bonnet stud nutA194 8A194 4A194 2H
    9GlandSS304
    10PackingPTFE,RPTFE
    11Thrust washerPTFE,RPTFE
    12Gland boltA193 B8A193 B7A193 B7
    13HandleverCarbon steel


    SizeClass150Class150 WT(kg)Class300Class300 WT(kg)
    DNINCHDHLL1WRFBWDHLL1WRFBW
    151/2"15551081401302.3215551401401302.51.8
    203/4"20551171521303320551521521303.52
    251"25701271651604.5425701651651605.53.2
    401 1/2"389016519020086389019019020010.55.5
    502"491051782163501094910521621635014.58.7
    652 1/2"6415519024140015146415324124140023.515
    803"761852032835002121761872832835003018
    1004"10020522930550033351002063053055005536
    1506"150255394457600939815025540345760011885
    2008"200280457521800160170200280502521800200152
    25010"250345533559800200225250345568559800250182
    30012"300420610635800280295300420648635800330232