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Welcome to Zigong Weite Valve Mfg Co.,Ltd!

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V-type ball Ball Valve

V-type ball Ball Valve

  • Design standardAPI6D、ASME B16.34、BS5351、ISO17292、DINConnection endsRF、RTJ flange、butt-welded、thread、socket weldedOperationManual、Pneumatic、Electric、Gas-liquid interaction etc. Nominal diameter2” – 12” (DN 50-DN 300)...
Products Conten

Design standard

API6D、ASME B16.34、BS5351、ISO17292、DIN

Connection ends

RF、RTJ flange、butt-welded、thread、socket welded

Operation

Manual、Pneumatic、Electric、Gas-liquid interaction etc. 

Nominal diameter

2” – 12” (DN 50-DN 300)

Pressure range

CLASS 150 – CLASS 600 (Mpa 1.6- Mpa 10.0)

Materials

carbon steel、stainless steel、20#steel 、Nickel alloy、Cobalt alloy

Temperature

-196℃-540℃

Application

Petroleum、Natural gas、Chemical、petrochemical、Power station、Metallurgy、Papermaking etc. 


  Features

Due to integral type body without any pipe connection therefore not subject to the pipe or bolt stress and the pressureproof valve housing is not affected by the pressure jump. 
The V-shaped body design, even in the case of low flow or high viscosity medium, can ensure accurate control in the entire measurement range.
Leakproof and durable valve seat is installed a stainless steel inner cup-shaped PTFE  or Oring at its outer diameter, valve seat is made of large section WC-CO hard alloys ,   alloyed curved spring has further enhanced the structure of the seat.
When the valve is closed, produced between V-notch and seat wedge shear, and both have a self-cleaning function and prevent the ball core stuck, especially for high viscosity, suspension, pulp and other unclean, fibrous media occasions.
Because the V-notch ball shears the metal seat , so especially for fibrous, tiny solid particles and slurry medium.
 The worm-gearing V-notch ball valve also has the adjustable and reliable positioning ability ,approximate percentile flow characteristics and wide adjustable range.
Using leaf spring loaded movable seat structure so the seat and ball will not be jammed or separated , reliable sealing and long service life.


Range of Application

Housing MaterialSeat MaterialApplicable  TemperatureApplicable Medium
  Carbon Steel ( C )PTFE+SS≤150℃water/steam/oil
SS≤200℃
  Ci Ni Ti Steel ( P )PTFE+SS≤150℃nitrose
SS≤200℃
   Ci Ni Mo Ti Steel               ( R )PTFE+SS≤150℃acetic acid
SS≤200℃
   Ci Ni Mo Ti Steel               ( R )Body+Hard alloy≤550℃steam and metallurgy


Main parts and material 

Body and BonnetGBWCBZG1Cr18Ni9TiZG0Cr18Ni12Mo2TiZG15Cr1Mo1V
ASTMWCBCF8CF8MWC9
BallGBZG2Cr13ZG1Cr18Ni9Ti / Special surface finish
ASTMCa15CF8+HF
StemGB2Cr131Cr18Ni9Ti
25Cr2Mo2V
ASTM420304
F22a
SeatGBPTFE   & 2Cr13)PTFE & 1Cr18Ni9TiPTFE   & 0Cr18Ni12Mo2TiD517
ASTMPTFE   & 420PTFE & 304PTFE   & 316HF
PackingGBPTFE & GrafoilPTFE & GrafoilPTFE & GrafoilPTFE(Grafoil)
ASTM
BoltGB351Cr18Ni915Cr1Mo1V
ASTMA193   B7A320-B8A193B16
NutGB451Cr18Ni920CrMo
ASTMA194   2HA194-8A194-4


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