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WENZHOU YONGIDE VALVE CO.,Ltd.
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Expansion joints, also known as expansion joints, expansion joints, compensators and expansion joints. Axial stretching, expansion joints within a certain range within a certain angle to overcome pipeline docking different axial offset can greatly facilitate the valves, pipe installation and disassembly, flexible volume can be allowed in the pipeline free expansion, once over its telescopic play limit, to ensure the safe operation of the pipeline. To protect the safe operation of pipelines, with the following role: to compensate for absorption pipe axial, horizontal, angle to the thermal deformation; absorbing equipment vibration, reducing equipment vibration impact of the pipeline; absorb earthquake, subsidence deformation of the pipeline.
One of the products for a variety of offers great convenience to the drains, water towers, water pumps, water meters, valve installation Removable, due to the temperature difference between stretching to the long-distance pipeline played a good role in regulating.
The product pipe is divided into two types: metal and rubber and GSQ-X (rubber)), metal type was divided into cast iron, galvanized and steel three kinds. Working pressure PN 6, PN10, PN16 three.
      
Required to release the pressure plate bolts (3) prior to installation of the product to pull to the installation length, and then use the angle method, tighten, do not
Pressure bias, such as overhead, both ends must install the appropriate mounting bracket.
(4) flange connections GB4216.3 - 4126.5 standard.
(5) If you choose other specifications can be custom-made production.
Suitable medium

This product is suitable for conveying seawater, freshwater, hot and cold water, drinking water, sewage, crude oil, fuel oil, lubricating oil, refined oil, air, gas, temperature is not higher than 250 degrees of steam and particulate powder and other media.
Use
Expansion joints pumps, valves, piping and other equipment and pipeline of new products, linking them through the whole bolt, making it overall, and a certain amount of displacement, easy to install. Can withstand the axial pressure of the pipeline. This installation and maintenance, according to the on-site installation size to adjust to not only improve work efficiency at work, and play a protective effect on the pump, valve, pipe equipment.
Expansion joints parameter specification table:
Nominal diameter pipe OD Dimensions stretching the amount of flange connection size
Dw L L1 0.6MPa 1.0MPa
D, D1, n - d. D, D1, n - d.
65 76 340 105 50 160 130 4 - ¢ 14 185 145 4 - ¢ 18
80 89 190 150 4 - ¢ 18 200 160 8 - ¢ 18
100 108,210,170,220,180
114
125 133 240 200 8 - ¢ 18 250 210
140
150 159 265 225 285 240 8 - ¢ 22
168
200 219,320,280,340,295
250 273 370 335 12 - ¢ 18 395 350 12 - ¢ 22
300 325 350 130 65 440 395 12 - ¢ 22 445 400
350 377 490 445 505 460 16 - ¢ 22
400 426 540 495 16 - ¢ 22 565 515 16 - ¢ 26
450 480 595 550 615 565 20 - ¢ 26
500 530 645 600 20 - ¢ 22 670 620
600 630 755 705 20 - ¢ 26 780 725 20 - ¢ 30
24 895 840 700 720 860 810 24 - ¢ 26 - ¢ 30
800 820 590 220 130 975 920 30 1015 950 24 24 - ¢ - ¢ 33
900 920 1075 1020 1115 1015 28 - ¢ 33
1230 1160 28 1000 1020 1175 1120 28 - ¢ 30 - ¢ 36
1200 1220 1405 1 340 32 - ¢ 33 1455 1380 32 - ¢ 40
1400 1420 1630 1560 36 - ¢ 36 1675 1590 36 - ¢ 42
1500 1520 1730 1660 ---
1600 1620 1830 1760 40 - ¢ 36 1915 1820 40 - ¢ 48
44 - ¢ 40, 1800 1820 2045 1970 2115 2020 44 - ¢ 48
2000 2020 2265 2180 48 - ¢ 42 2325 2 230 48 - ¢ 48
2200 2220 2 475 2.39 thousand 52 - ¢ 42 2550 2440 52 - ¢ 56
2400 2420 2685 2600 56 - ¢ 42 2760 2650 56 - ¢ 56

Performance characteristics
 
The main features of the expansion joints
1, retractable large amount of compensation
2, to withstand high temperature
3, the pressure

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