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Cixi Fly Pipe Equipment Co.,ltd
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  • Pneumatic diaphragm piston cut-off valve
  • Pneumatic diaphragm piston cut-off valve
  • Pneumatic diaphragm piston cut-off valve
  • Pneumatic diaphragm piston cut-off valve
Pneumatic diaphragm piston cut-off valvePneumatic diaphragm piston cut-off valvePneumatic diaphragm piston cut-off valvePneumatic diaphragm piston cut-off valve

Pneumatic diaphragm piston cut-off valve

  • Port size：DN20~300, NPS 3/4〞~ 12
  • ( Replace two sets two-way valves ) Port size：DN20~300, NPS 3/4〞~ 12〞 Pressure： PN16 ~ 100,150LB ~ 600LB
  • Temperature：-196～450℃
  • Body material：WCB LCB CF8 CF3 CF8
    • Pneumatic diaphragm piston cut-off valve , Pneumatic diaphragm cut-off valve , Pneumatic cut-off valve
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    Description

    Pneumatic diaphragm piston cut-off valve

    Pneumatic diaphragm (piston) cut-off valve is a kind of top navigation structure of the cut-off valve, the spherical body, has a compact structure, small volume, light weight, small pressure drop loss, action quick, etc.

    Equipped with spring actuator, the engine power output is big, action quick, the use of reliable, maintenance is convenient, can be used for fast cutting of various kinds of fluid.
    Widely used in petroleum chemical metallurgy electricity light textile and other industrial sectors of production process and remote control.
    Valve body section
    • Valve structure: a single seat, sleeve, tee
    • Flow feature: the quick opening
    • Nominal pressure: 1.6 4.0 6.4 1.6 Mpa ANSI150, 300, 600
    • Valve diameter: 3/4 "~ 200 (3/4 ~ 8")
    • Temperature: 60-20-196 ~ - ~ + 200-60 ~ + 560
    • Leakage standard: IV V VI
    • Welding connection mode: flange thread
    • Valve body material: ZG230-450 ZG1Cr18Ni9 WCB CF8 CF8M CF3M

    Main specifications and technical parameters

    DN（mm） 20 25 32 40 50 65 80 100 120 150 200

    Rated flow coefficient Kv

    		7 11 20 30 48 75 120 190 300 480 700

    Rated travel（mm）

    		8 12 20 25 40 50

    Nominal Diameter 15 20 25 32 40 50 65 80 100 125 150 200
    A ф 196 ф 232 ф 308 ф 394 ф 498
    L PN16 、 40 130 150 160 180 200 230 290 310 350 400 480 600
    PN64 210 230 230 260 260 300 340 380 430 500 550 650
    H PN16 、 40 305 340 345 370 380 390 475 490 500 765 825 927
    PN64 320 350 354 372 382 397 473 475 517 805 882 815
    Bellow Type 375 409 414 431 441 468 555 570 613 855 915 1017
    H 1 PN16 、 40 50 53 58 70 75 83 93 100 110 125 143 170
    PN64 60 65 70 77.5 85 90 100 85 125 148 170 208
    H 2 PN16 115 115 121 130 140 153 178 190 200 260 320 360
    PN40 125 125 130 140 150 160 185 200 220 280 320 380
    PN64 150 150 160 170 180 200 230 250 282 310 430 480
    H 3 PN16 、 40 404 415 428 448 468 561 578 590 886 1008 1120  
    PN64 365 430 498 528 528 530 535 540 600 890 1208 1305
    Bellow Type 395 465 478 509 509 548 641 658 670 976 1098 1210
    Weight（kg） Standard Type 10 10 12 15 18 23 35 45 60 75 90 120
    Bellow Type 12 12 14 17 20 26 38 48 64 79 95 125

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