Universal Expansion Joint

Universal Expansion Joint

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bellow compensator
Large rod bellow compensator
Metal bellows
Bellows expansion joint

JDH Large Rod Bellows Compensator

  • [Name]: JDH Large Rod Bellows Compensator
  • [PN]: 0.6-2.5Mpa
  • [Medium]: Air, water, seawater, oil, slurry, weak acid, alkali, etc.
  • [Material]: SS304, 316, Q235 etc
  • [Certification]: ISO9001:2008
  • [Specification]: JDH model
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Overview

 Large rod bellow compensator adopt the technique of multi-layer, one time hydraulic molding, lateral and different direction displacement.

1. Directional Movement Absorbing

Thermal movements would generate in any rigid pipe systems because of temperature changing. Due to its annular corrugations, the JDH Large Rod Bellows Compensator allows for axial compression or axial extension, lateral deflection as well as angular and torsional movements.  

 

2. Vibration, Noise and Shock Reducing

JDH Large Rod Bellows Compensator effectively dampens and insulates downstream piping against the transmission of noise and vibration generated by mechanical equipment. Noise and vibrations caused by equipment can cause stress in pipe, pipe guides, anchors and other equipment downstream. The JDH Large Rod Bellows Compensators will help relieve noise and vibration occurrences in a pipe system and increase the service life of the system.  

Features

 Large rod bellow compensator adopt the technique of multi-layer, one time hydraulic molding, can compensate axial, angular, lateral and different direction displacement.

 
Large rod horizontal bellow compensator can compensate lateral displacement and small angular displacement. Composed by connection tube, two bellow pipe and large rod, etc. It can absorb lateral displacement in any surface. Bolt revolve around the sphere gasket, rod can bear internal pressure thrust.
Working temperature≤420℃
 
1.  The corrugated pipe compensators are used in a wide variety of piping application to compensate for   thermal expansion or contraction and to absorb equipment vibration or pipe motions.
2. We manufacture single, two-ply and multiply testable bellows in different sizes using precision forming technology.
3. They are used as an retractable elastic compensation element, has the advantages of the reliable working,good performance,compact structure.
4. Compensate axial movements
5. Durability and excellent chemical resistance.
6. Widely used to absorb termal expansion in pipe systems carring water, steam, oil and gases
7.Stainless bellows compensators or expansion joints are designed according to the client's specifications ad design conditions

Specification

DN(mm)
Waves
 Pressure rating
Lateral displacement N/mm
Maximum outer
 diameter size
 
Length (mm) 
(mm)
 (Mpa)
1200
1500
2000
2500
 
100
4+4 
0.25
177/2.2 
243/1.2 
254/0.6 
465/0.3 
310
0.6
177/2.2 
243/1.2 
341/0.6 
447/0.3 
310
1
163/2.2 
243/1.2 
325/0.6 
427/0.3 
310
1.6
Apr/91
127/2 
187/1 
247/0.6 
310
2.5
Aug/94
132/5 
194/2 
256/1 
310
125
4+4 
0.25
181/2.8 
251/1.5 
369/0.7 
487/0.4 
360
0.6
172/2.8 
239/1.5 
351/0.7 
463/0.4 
360
1
161/2.8 
224/1.5 
330/0.7 
435/0.4 
360
1.6
Nov/99
140/6 
209/3 
277/2 
360
2.5
Nov/94
113/6 
197/3 
262/2 
360
150
4+4 
0.25
199/6 
278/3.2 
410/1.6 
542/1.0 
410
0.6
186/6 
259/3.2 
382/1.6 
506/1.0 
410
1
122/10 
170/6 
251/3 
332/2 
410
1.6
108/12 
153/6 
230/3 
307/2 
410
2.5
82/22 
117/12 
176/5 
324/3 
410
200
4+4 
0.25
155/9.4 
220/4.9 
327/2.25 
435/1.4 
480
0.6
138/9.4 
196/4.9 
291/2.25 
388/1.0 
480
1
101/20 
143/11 
213/5 
283/3 
480
1.6
75/42 
108/21 
164/10 
220/6 
480
2.5
59/69 
86/35 
130/16 
176/9 
480
250
4+4 
0.25
164/10.2 
239/5.1 
367/2.4 
494/1.5 
580
0.6
128/21 
188/10 
287/5 
387/3 
580
1
109/35 
159/18 
243/8 
328/5 
580
1.6
76/68 
116/33 
182/14 
249/8 
580
2.5
64/122 
98/58 
154/25 
210/14 
580

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