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      SD341X Flanged Telescopic Butterfly Valve

      Product overview

      Product model: SD341X
      Nominal diameter: DN50 ~ 2000mm
      Nominal pressure: PN0.6~1.6MPa
      Applicable temperature: X:-40℃ ~ 90℃;
      XF:-20℃ ~ 200℃ (soft seal);
      Carbon steel :-29℃ ~ 425℃ Stainless steel -40℃ ~ 650℃ (hard sealed)
      Applicable medium: water, air, natural gas, oil and weak corrosive fluid
      Drive mode: worm gear drive, electric, pneumatic, hydraulic
      Body material: WCB, QT450-10, stainless steel
      Manufacturing standard: JB/T8527-97, GB/T 122387-89
      Flange standard: GB9113-2000, GB17241.6-1998
      Inspection standard: GB/T 13927-92

      SD341X Flanged Telescopic Butterfly Valve product details

      SD341X Flanged Telescopic Butterfly Valve product introduction

      SD341X Flanged Telescopic Butterfly Valve produced and sold by Baigang valve group with automatic compensation for thermal expansion and contraction of the convenience of loading and unloading functions, used at temperatures below 120 ℃, the nominal pressure of 1.6MPa below the oil, chemical, power, papermaking, water supply and municipal construction and other industrial pipelines The best device for regulating flow and breaking fluid.


      SD341X Flanged Telescopic Butterfly Valve working principle

      Flange retractable butterfly valve is divided into three types: 
      A, ordinary type: When used according to the design specifications of expansion joints design and installation, such as the need to add limit bolts, please indicate when designing. 
      B, fixed limit type: it can be retractable, but also limit, with the telescopic part of the fixed function of not letting its expansion. Its features are multi-functional, wider scope of application. 
      C, lengthened: it is the ordinary expansion telescopic extension of the butterfly valve lengthened to make it the length of the length required by the user (not including the amount of expansion), which is characterized by the transformation of the old pipe, the valve on the original pipeline needs to be updated Replacement, without the original pipeline on the connecting part of the pipeline cut off, you can replace it. Extended type selection should also be considered plus limit measures, such as the limit please specify when designing.


      SD341X Flanged Telescopic Butterfly Valve features:

      1, sealing parts can be adjusted replacement, reliable sealing performance.

      2, unique structure, flexible design, light weight, labor-saving, quick opening and closing.

      3, telescopic butterfly valve can not only compensate for the thermal expansion and contraction shrinkage caused by the pipe temperature difference, but also for the maintenance of valve installation and replacement to provide convenience.


      SD341X Flanged Telescopic Butterfly Valve installation Precautions:

      1, Flange retractable butterfly valve must be placed flat before installation, do not bump freely, the operation is prohibited to remove the bracket.

      2, Flange retractable butterfly valve factory structure length of the minimum length, installation, pulled to the installation length (ie, design length).

      3, when the pipe length exceeds the telescopic valve installation length, please adjust the pipe interval, do not forcibly stretch the butterfly valve, so as not to damage the butterfly valve.

      4, Flange retractable butterfly valve can be installed in any, do temperature compensation with the installation of the pipeline is completed, the direction along the pipe axis to be added at both ends of the bracket to prevent telescopic tube telescopic tube pulled out.


      SD341X Flanged Telescopic Butterfly Valve main dimensions PN1.0MPa

      DN
      (mm)
      Manual device D D1 d b C L n-d0 4-M H H1 H2 L1 L2 L3 L4 L5 φ WT 
      (kg)
      L0 Lmax Lmin
      300 3D-30/250 445 400 370 28 57 282 302 252 8-φ23 M27 959 542 267 449 178 254 104 473 300 148
      350 3D-30/250 505 460 429 30 64 301 321 271 12-φ23 M20 1048 583 315 449 178 254 104 473 300 188
      400 3D-30/250 565 515 480 32 70 313 333 283 12-φ28 M24 1120 620 350 449 178 254 104 473 300 237
      450 3D-30/250 615 565 530 32 76 334 354 304 16-φ28 M24 1190 667 373 449 178 254 104 473 300 268
      500 3D-30/400 670 620 582 34 76 346 366 316 16-φ28 M24 1280 702 428 486 178 254 130 528 300 289
      600 3D-60/800 780 725 682 36 89 398 418 368 16-φ31 M27 1409 759 450 627 196 245 162 596 400 480
      700 3D-60/800 895 840 794 40 115 425 445 395 20-φ31 M27 1613 885 528 627 244 245 162 596 400 645
      800 3D-120 // 1500 1015 950 901 44 120 455 475 425 20-φ34 M30 1736 1013 573 635 244 295 196 711 300 818
      900 3D-120 // 1500 1115 1050 1001 46 120 485 505 455 24-φ34 M30 1860 1071 639 635 270 295 196 711 300 956
      1000 3D-120 // 1500 1230 1160 1112 50 150 495 515 465 24-φ37 M33 2107 1234 723 955 270 296 295 807 300 1277
      1200 3D-120 // 1500 1455 1380 1328 56 175 542 562 512 28-φ40 M366 2326 1343 833 955 455 296 295 807 300 1764
      1400 3D-200/4000 1675 1590 1530 62 195 612 632 582 32-φ43 M39 2996 1668 1078 1270 455 387 414 1089 500 4280
      1600 3D-200/4000 1915 1820 1750 68 220 640 660 610 36-φ49 M45 3246 1778 1218 1270 598 387 414 1089 500 4953
      1800 3D-200/12000 2115 2020 1950 70 245 710 730 680 40-φ49 M45 3720 2044 1426 1628 745 387 602 1399 500 7416
      2000 3D-600/12000 2325 2230 2150 74 270 775 795 745 44-φ49 M45 3851 2115 1486 1630 750 417 602 1399 500 9372


      Reminder:

      All text, data and pictures in this article are for reference only.To see more details of the SD341X Flanged Telescopic Butterfly Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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