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SD341X/F/H SD641X/F/H SD941X/F/H telescopic butterfly valve

SD341X/F/H SD641X/F/H SD941X/F/H telescopic butterfly valve

Product use: SD34lX flange type telescopic butterfly valve has the function of automatically compensating the thermal expansion and cold contraction of the pipeline, which is convenient for loading and unloading. It is used as the best device to adjust the flow and load and cut off the fluid in the industrial pipelines with the temperature below 425 ℃ and the nominal pressure below 1.6Mpa, such as petroleum, chemical, electric power, papermaking, water supply and drainage, municipal construction, etc.

  • Item NO.:

    XUVAL77-18
  • Lead Time:

    45Days
  • Product Orgin:

    CHINA
  • Brand:

    XUVAL
  • Shipping Port:

    Shanghai
  • Payment:

    100%TT
  • Color:

    blue
  • MOQ:

    10
Products Details

SD341X/F/H SD641X/F/H SD941X/F/H telescopic butterfly valve

Product use:

SD34lX flange type telescopic butterfly valve has the function of automatically compensating the thermal expansion and cold contraction of the pipeline, which is convenient for loading and unloading. It is used as the best device to adjust the flow and load and cut off the fluid in the industrial pipelines with the temperature below 425 ℃ and the nominal pressure below 1.6Mpa, such as petroleum, chemical, electric power, papermaking, water supply and drainage, municipal construction, etc.


Valve model:

The common models of flange type telescopic butterfly valve are: SD341X, SD341X-6, SD341X-10, SD341X-16, SD641X, SD641X-10P, SD941X, SD341F, SDS641F, SD341H, SD641H, SD941H, etc.


Product features:

1. Unique structure, flexible design, light weight, labor saving, quick opening and closing.
2. The telescopic butterfly valve can not only compensate the thermal expansion and cold contraction caused by the temperature difference shrinkage of the pipeline, but also provide convenience for the installation and replacement of the maintenance valve.
3. The sealing part can be adjusted and replaced, and the sealing performance is reliable.


Structure diagram:



Installation precautions:

Before installation, the telescopic butterfly valve must be placed flat, do not bump at will, and do not remove the support during operation.
When the telescopic butterfly valve leaves the factory, the structure length is the minimum length. When it is installed, it is pulled to the installation length (i.e. the design length).
When the length between pipes exceeds the installation length of expansion valve, please adjust the pipe spacing. Do not stretch and shrink the butterfly valve forcibly to avoid damaging the butterfly valve.
The telescopic butterfly valve can be installed at any time. When it is used for temperature compensation, after the pipeline is installed, supports should be added at both ends along the pipeline axis to prevent the telescopic pipe of the telescopic valve from pulling out.


Performance parameters:

Working pressure(MPa) 0.6 1.0
Applicable temperature(℃) ≤120 It depends on different gum types ≤120
Applicable medium Water, sewage, oil, air, etc It depends on different gum types Water, sewage, oil, air, etc
Material  Valve body Grey cast iron Grey cast iron Ductile iron
Disc Ductile iron (surface treatment) Ductile iron, stainless steel Ductile iron
Stem 2Cr13 Stainless steel, carbon steel Chromium stainless steel


Main dimensions:

DN L L1 max A B E F J M Do
50 160 172 83 120 90 205 83 115 200
65 160 172 89 145 90 205 83 115 200
80 180 195 98 158 90 205 83 115 200
100 195 215 110 170 90 205 83 115 200
125 205 225 123 182 90 205 83 115 200
150 205 225 140 210 90 205 83 115 200
200 218 238 170 238 90 205 83 115 200
250 233 258 195 270 90 205 83 134 250
300 248 268 222 300 90 205 83 134 250
350 278 303 252 330 120 265 141 159 250
400 298 323 285 368 120 265 141 159 250
450 311 336 310 402 185 250 115 163 250
500 330 355 337 438 185 250 115 163 315
600 350 375 393 490 245 400 145 185 315
700 364 395 450 558 245 400 145 185 315
800 415 445 515 625 310 460 191 220 315
900 435 475 560 685 310 460 191 220 400
1000 510 550 610 750 410 55 270 255 400
1200 590 630 825 880 410 55 270 255 400
1400 590 630 840 987 520 640 351 320 400
1600 626 660 960 1158 520 785 440 335 630
1800 670 710 1060 1258 520 640 351 320 400
2000 680 720 1165 1365 520 640 351 320 400
2200 700 740 1325 1470 520 640 351 320 400


Packing & Delivery : 

Packing Details:all by seaworthy plywood case and packed strongly by packing belt as below
Delivery Details:Generally it is 5-10 days if the goods are in stock. or15-30 days if the goods are OEM or not
enough subject to the order quantity. But anyway, normally, we are able to make sure the delivery will not exceed 45days.


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    If you are interested in our valves and want to know more details,please leave a message here,we will reply you as soon as we can.