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          Current position:Home >> Products >> Ball valve >> Pneumatic V-type ball valve

          Pneumatic V-type ball valve

          Model: VQ671F / VQ641F
          Nominal diameter: Wafer DN25~500mm
          Nominal: PN1.6 ~ 2.5MPa
          Connection: Wafer / flange
          Medium temperature: W1: -40 ~ 180 ℃ W2: -40 ~ 300 ℃ W3: -30 ~ 425 ℃ W4: -40 ~ 425 ℃
          Body material: Carbon (C), stainless steel (P4, P6)
          Design basis: GB standard
          Besign criteria: GB / 12237
          Ligation Blue size: GB / 9113, JB / T79
          Test and test: JB / T9092


          Pneumatic V-type ball valve features
           1, compact structure, small size, can be installed vertically and so on. 
           2, with excellent regulation features: V-type ball valve has an approximate equal percentage of the inherent flow characteristics and up to 300: 1 adjustable 1, compact, small size, can be installed vertically and so on. 
           2, with excellent regulation features: V-type ball valve has an approximate equal percentage of the inherent flow characteristics and up to 300: 1 adjustable ratio. V-valves therefore provide precise control over a wide range of variations. 
           3, the maximum flow volume: Due to its streamlined shape and full right-angle rotary control, so that the maximum volume is particularly high, particularly large flow capacity, flow resistance is small, so you can use smaller and more economical and practical valve size. 
           4, V-type ball valve with double bearing structure, high mechanical stability, low starting torque to ensure that the valve has excellent sensitivity and sensing speed. 
           5, the most reliable (safety): the valve body as a whole, durable, the operation from the pipeline pressure, and to avoid valve leakage. 
           6, the superior sealing of the metal seat: V-type ball valve with movable metal seat, self-compensation function, and has superior sealing performance and long service life. In the flow direction, the amount of leakage ≤ 10-6 × rated flow coefficient. 
           7, super shear capacity: V-type ball valve with a metal seal structure, V-shaped ball valve seat and the metal valve seat during the rotation, V-notch and the valve seat to produce a strong shear force to cut off impurities such as fiber , And has a self-cleaning function to prevent the valve stuck phenomenon.

           

          Technical Parameters
          Nominal diameter Clamp DN25 ~ 250mm / flange DN25 ~ 500mm
          Connection method Clip / Flange
          Cylinder configuration AT series, GT series, AW series, import actuator series
          Cylinder form Double acting, single acting (spring return)
          control method Two off (switch), adjustable, three-stage (opening degree optional)
          Nominal pressure 16,25bar (Please specify when ordering for higher pressure)
          Air pressure Double role: 4 ~ 8bar, single role: 5 ~ 8bar
          Medium temperature W1: -40 to 180 ° C W2: -40 to 300 ° C W3: -30 to 425 ° C W4: -40 to 425 ° C
          Ambient temperature Standard type: -20 ~ 80 ℃
          Body material Carbon steel (C), stainless steel (P4, P6)
          Sealing material Polytetrafluoroethylene (F), para-polyphenylene (PPL), metal hard seal (H), cemented carbide (Y)

          Note: Other special sealing materials or special temperature can also be designed and manufactured according to customer requirements



          PN (MPa) DN (mm) Size (mm)
          L The folder connection Flange connection H
          D D D1 D2 D6 b zd
          1.6 25 102 64 115 85 5 - 14/16 4-14 233
          40 114 82 145/150 110 85/84 - 16/18 4-18 280
          50 124 100 160/165 125 100/99 - 16/20 4-18 362
          65 145 118 180/185 145 120/188 - 18/20 4-18 377
          80 165 130 195/200 160 135/132 - 20 8-18 410
          100 194 155 215/220 180 155/150 - 20/22 8-18 423
          125 210 185 245/250 210 185/184 - 22 8-18 436
          150 229 216 280/285 240 210/211 - 24 8-23 / 8-22 653
          200 243 264 335/340 295 265/266 - 26/24 12-23 / 12-22 703
          250 297 328 405 355 320/319 - 30/26 12-25 / 12-26 787
          300 338 373 460 410 375/370 - 30/28 12-25 / 12-26 827
          2.5 25 102 64 115 85 65 - 16 4-14 233
          40 114 82 145/150 110 85/84 - 18 4-18 280
          50 124 100 160/165 125 100/99 - 20 4-18 362
          65 145 118 160/185 145 120/118 - 22 8-18 377
          80 165 130 195/200 160 135/132 - 22-24 8-18 410
          100 194 155 230/235 190 160/156 - 24 8-23 / 8-22 423
          125 210 185 270 220 188/184 - 28/26 8-25 / 8-26 436
          150 229 216 300 250 218/211 - 30/28 8-25 / 12-26 653
          200 243 264 360 310 278/274 - 34/30 12-25 / 12-26 703
          250 297 328 425 370 332/330 - 36/32 12-30 787
          300 338 373 485 430 390/389 - 40/34 16-30 827
          Group address:No.52, Lane 58, Lushen Road, Zhaoxiang Town, Qingpu District, Shanghai
          Group phone:+86-021-59755666    Hotline:+86-021-69755076   69755027   69755026   57339828
          Fax:+86-021-69755075     E-mail:sales@www.lvlrmpl.com
          Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
          Copyright © Shen Gao Valve Group Co., Ltd.        www.shengao-valve.com
          HuICP No. 14017677    No.31011802002466    Technical support:Fengsheng technology
          Group address:No.52, Lane 58, Lushen Road, Zhaoxiang Town, Qingpu District, Shanghai
          Group phone:+86-021-59755666
          Hotline:+86-021-69755076   69755027
                     +86-021-69755026   57339828
          Fax:+86-021-69755075   E-mail:sales@www.lvlrmpl.com
          Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
          Copyright © Shen Gao Valve Group Co., Ltd.
          www.shengao-valve.com
          HuICP No. 14017677
          No.31011802002466
          Technical support:Fengsheng technology
          亚薄体育官网
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