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JXH small pull rod transverse ripple compensator
Product Introduction: The JXH type small pull rod transverse corrugated compensator consists of two sections of corrugated pipes, a middle connecting
Product details

Product Introduction

The JXH type small pull rod transverse corrugated compensator consists of two sections of corrugated pipes, a middle connecting pipe, and a small pull rod with a limited nut. It absorbs transverse displacement in any plane of the absorption pipe system, as well as axial displacement. The small pull rod cannot withstand internal pressure thrust. If the user needs a small pull rod during use, be sure to loosen the nut and keep it at a distance from the ear plate (or support plate) after installation (the value is determined by the compensation amount in the opposite direction) If the actual compensation amount is greater than the specified value on the sample (life ≤ 1000 times), the small pull rod must be removed after installation of the product.



Product advantages

JXH type small pull rod transverse corrugated compensator is also commonly known as expansion joint or expansion joint. The small pull rod transverse compensator belongs to a type of compensating element. By utilizing the effective expansion and contraction deformation of its working body corrugated tube, it can absorb dimensional changes caused by thermal expansion and contraction of pipelines, conduits, containers, etc., or compensate for axial, lateral, and angular displacements of pipelines, conduits, containers, etc. It can also be used for noise reduction and vibration reduction. Widely used in modern industry. The product is suitable for transporting media such as seawater, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, finished oil, air, coal gas, steam and granular powder with a temperature not exceeding 250 degrees.

1. Compensate for axial, transverse, and angular thermal deformation of the absorption pipeline.

2. The expansion and contraction of the corrugated compensator facilitates the installation and disassembly of valve pipelines.

3. Absorb equipment vibration and reduce the impact of equipment vibration on pipelines.

4. Absorb the deformation of pipelines caused by earthquakes and subsidence.


Product Features

The small pull rod transverse corrugated compensator can not only compensate for the lateral and angular displacement of bent pipes, but also compensate for axial displacement. The axial compensation amount and lateral compensation amount (X0, Y0) listed in the sample are used separately as the maximum values for axial compensation or lateral compensation. In this case, the following relationships should be satisfied:

X1≤Xo Y1≤Yo

X1 and Y1 are actual values used separately for axial or lateral compensation

When the compensator has both axial displacement and lateral displacement, the selection of the two compensation amounts (X1, Y1) should satisfy the following relationship:

At this point, X1 and Y1 represent the actual values of both axial and lateral displacements that exist simultaneously.

Calculation of the force exerted on the support by the small rod transverse corrugated compensator:

A certain carbon steel pipeline with a nominal diameter of 500mm, a working pressure of 0.6Mpa, a medium temperature of 350 degrees Celsius, an ambient minimum temperature of -100 degrees Celsius, and a compensator installation temperature of 20 degrees Celsius. According to the pipeline layout, a small pull rod transverse corrugated compensator needs to be installed to compensate for 50mm axial displacement and 30mm transverse displacement. Given L=50, the fatigue failure times of the compensator are considered to be 15000 times, and the force on support A is calculated.


classic case


Product schematic diagram

Component materials

number name quantity
1 corrugated tube 2
2 pipe nipple 2
3 flange 2
4 bolt n
5 nut 4n
6 Middle pipe 1

Technical Parameter

Nominal Diameter

Nominal Diameter DN

Pressure 0.6Mpa Pressure 1.0Mpa Pressure 1.6Mpa

Effective area

Available area cm2

Welding end pipe

Soldering end ring mm

Total length

Total length 1mm

Axial displacement/axial stiffness

Axial displacement

/Axial Stiffness

Lateral displacement/lateral stiffness

Horizontal displacement

/Horizontal Stiffness

Axial displacement/axial stiffness

Axial displacement

/Axial Stiffness

Lateral displacement/lateral stiffness

Horizontal displacement

/Horizontal Stiffness

Axial displacement/axial stiffness

Axial displacement

/Axial Stiffness

Lateral displacement/lateral stiffness

Horizontal displacement

/Horizontal Stiffness

100 32/210 96/8.0 28/252 86/96 26/302 78/12 154 108*4 1000
200/2.0 180/25 162/3.1 1500
306/0.89 27/11 284/1.3 2000
411/0.50 370/06 333/0.75 2500
125 33/170 83/18 31/204 78/216 29/245 75/25.9 180 133*4 1000
115/6.8 109/82 103/9.8 1500
198/3.5 188/4.2 178/5.0 2000
269/1.8 255/2.2 242/2.6 2500
150 32/290 65/21 30/348 61/252 27/417 58/30.2 299 159*45 1000
136/54 129/65 122/7.8 1500
107/2.4 197/28 186/3.5 2000
279/1.4 265/168 251/2.1 2500
200 48/326 72/47 43/391 68/56.4 40/469 65/70.5 531 219*6 1000
160/11 152/13.2 144/16.5 1500
250/5.0 237/60 225/7.5 2000
341/2.8 324/3.4 291/4.1 2500
250 46/400 127/20 43/480 114/25 38/576 108/30 774 273*8 1500
199/9.0 179/108 170/13.5 2000
271/5.0 257/60 231/7.5 2500
343/3.2 325/38 293/4.6 3000
300 59/336 134/25 56/403 127/30 50/483 121/36 1069 325*8 1500
213/11 202/13.2 192/15.8 2000
292/6.0 277/7.2 263/8.6 2500
372/3.8 353/4.6 335/5.4 3000
350 58/336 107/40 55/402 102/44 52/442 96/48 1263 377*8 1500
178/16 167/17 161/22 2000
250/8.5 237/10 226/12 2500
322/5.3 306/69 290/9.6 3000
400 57/415 92/58 54/48 87/63 51/492 83/69 1612 426*8 1500
154/23 142/25 135/27 2000
215/12 204/13 196/15 2500
278/7.7 264/9 250/11 3000
450 55/415 81/80 52/465 77/88 49/484 73/96 1995 478*8 1500
135/32 128/35 122/38 2000
189/17 180/19 171/21 2500
243/11 230/12 218/13 3000
500 90/746 36/241 72/895 32/260 58/984 29/281 2625 529*10 1400
68/89 62/96 56/104 1700
102/42 92/45 83/49 2000
126/68 113/30 102/32 2200
166/18 149/19 134/21 2500
192/12 178/13 160/14 2800
600 94/820 42/208 85/886 38/224 75/948 34/242 3590 630*10 1500
71/102 64/110 58/118 1800
106/47 95/51 86/55 2200
135/30 121/32 111/35 2500
168/21 156/23 141/25 2800
199/14 183/15 168/17 3200

Note: Products larger than DN600 can be manufactured according to user requirements

Note:custom-made products(>DN600) are available


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