Henan Lianghe Pipeline Equipment Co.,Ltd
| Payment Terms | T/T, D/A, D/P, Western Union, MoneyGram, L/C |
| Supply Ability | 2000 set per month |
| Delivery Time | 7-15 work days |
| Packaging Details | Inside: Plastice Film ，Outside: Wooden Case |
| Nominal diameter | DN32--DN3000 |
| Connection | flange end |
| Working pressure | PN10 - PN40 |
| Working temperature | -10℃ ~ 300℃ |
| Applicable fluid | Water, hot water, oil, steam, gas and exhaust air |
| Operational Status | Indoor/Outdoor |
| Design | Axial |
| Brand Name | Lianghe |
| Model Number | JDZ |
| Certification | ISO 9001 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T, D/A, D/P, Western Union, MoneyGram, L/C | Supply Ability | 2000 set per month |
| Delivery Time | 7-15 work days | Packaging Details | Inside: Plastice Film ，Outside: Wooden Case |
| Nominal diameter | DN32--DN3000 | Connection | flange end |
| Working pressure | PN10 - PN40 | Working temperature | -10℃ ~ 300℃ |
| Applicable fluid | Water, hot water, oil, steam, gas and exhaust air | Operational Status | Indoor/Outdoor |
| Design | Axial | Brand Name | Lianghe |
| Model Number | JDZ | Certification | ISO 9001 |
| Place of Origin | China | ||
| High Light | axial bellow expansion joint ，dn2000 expansion bellows ，dn2000 bellow expansion joint | ||
DN2000 PN10 Axial bellow Expansion Joint With Expansion Of ±60mm For South-To-North Water Diversion Project
Axial bellow expansion joint meaning and function:
The bellows expansion is a compensating element.
The effective expansion and contraction deformation of the bellows working body is used to absorb the dimensional changes of pipes, ducts, containers, etc. caused by thermal expansion and cold contraction ,or to compensate for the axial, lateral and angular displacement of pipes, ducts, containers, etc. It can also be used to reduce noise and vibration.
The bellows compensator is also commonly called an expansion joint It consists of a bellows (an elastic element) and accessories such as end pipes, brackets, flanges, ducts, etc. These components constitute its working body.
It is mainly used for various pipelines, which can compensate for the thermal displacement and mechanical deformation of the pipeline, absorb various mechanical vibrations, thereby reducing the deformation stress of the pipeline and extending the service life of the pipeline.
The connection of the bellows compensator is divided into flange connection and welding. Direct buried pipeline compensators are usually welded (except for trench installation).
Axial bellows compensator parameters
| Product name | Axial bellow Expansion Joint |
| Size | DN2000 |
| Pressure | PN10 |
| Compensation amount | ±60mm |
| Flange material | Carbon steel |
| Bellow material | SS304 |
| Applicable medium | Yellow River water |
| Use Project | South-to-North Water Diversion Project |
Technical parameter chart
| Nominal Diameter (mm) | Wave number | Pressure level | Effective area of bellows | Maximum outer diameter | ||||
| 0.25 | 0.6 | 1.0 | 1.6 | 2.5 | ||||
| Axial compensation/mm,Stiffness(N/mm) | ||||||||
| 32 | 8 | 25/21 | 22/26 | 20/26 | 18/63 | / | 16 | 225 |
| 32 | 16 | 50/11 | 46/14 | 41/14 | 36/32 | / | 16 | 225 |
| 40 | 8 | 25/28 | 22/24 | 20/44 | 18/89 | 15/98 | 23 | 244 |
| 40 | 16 | 50/14 | 46/22 | 41/22 | 36/45 | 31/47 | 23 | 244 |
| 50 | 8 | 25/30 | 22/51 | 20/70 | 18/70 | 15/106 | 37 | 259 |
| 50 | 16 | 50/16 | 46/26 | 41/35 | 36/35 | 31/55 | 37 | 259 |
| 65 | 8 | 33/28 | 30/35 | 26/44 | 22/55 | 15/138 | 55 | 270 |
| 65 | 12 | 42/16 | 38/22 | 38/32 | 34/40 | 31/70 | 55 | 270 |
| 80 | 8 | 40/20 | 36/26 | 34/33 | 28/41 | 19/68 | 81 | 284 |
| 80 | 10 | 53/14 | 49/17 | 49/21 | 43/26 | 29/50 | 81 | 284 |
| 100 | 6 | 45/47 | 45/60 | 40/75 | 35/93 | 25/54 | 121 | 304 |
| 100 | 10 | 76/26 | 74/32 | 64/40 | 57/50 | 38/33 | 121 | 304 |
| 125 | 5 | 48/38 | 42/47 | 38/59 | 34/74 | 29/117 | 180 | 334 |
| 125 | 9 | 85/23 | 77/29 | 66/36 | 58/45 | 49/63 | 180 | 334 |
| 150 | 5 | 49/42 | 44/50 | 40/62 | 34/78 | 29/92 | 257 | 364 |
| 150 | 8 | 79/34 | 71/43 | 64/51 | 54/59 | 50/56 | 257 | 364 |
| 200 | 4 | 52/49 | 46/55 | 42/68 | 38/78 | 29/97 | 479 | 442 |
| 200 | 6 | 73/31 | 65/44 | 59/52 | 53/58 | 46/65 | 479 | 442 |
Other types of bellows expansion joint
Welded type bellow compensator
PTFE lined bellow compensator
Bellows Expansion Joint Factory Photo
Application fields of bellows compensator
1. Used for the South-to-North Water Diversion Project to transport water from the Yellow River
2. Used for oil pipeline projects
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
40000000-60000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
The company adheres to the business philosophy of "customer satisfaction is our first duty, all employees are responsible for creating quality, continuous improvement sets new heights, honest service builds reputation", and wholeheartedly provides high-quality products and profes... The company adheres to the business philosophy of "customer satisfaction is our first duty, all employees are responsible for creating quality, continuous improvement sets new heights, honest service builds reputation", and wholeheartedly provides high-quality products and profes...
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