Dn250mm Double Flange Dismantling Joint Limit Expansion Joint For Water Plant
Price:
＄54.2-137.5 per set
MOQ:
1 piece
Delivery Time:
1-7 day
Brand:
Liang He
Product Description
DN250mm Double Flange Dismantling Joint Limit Expansion Joint For Water Plant
Carbon Steel 2205 Duplex Steel DN250 Double Flange Limit Expansion Joint For Water Plant
How the Product Works
The working principle of double flange limit expansion joints is based on thermal expansion, cold contraction, and elastic deformation. In piping systems, pipe lengths change due to temperature variations and pressure fluctuations. When the pipeline expands from increased temperature, the telescopic body undergoes elastic deformation under the limiting device's constraint to absorb the length increase. When temperature decreases and the pipe contracts, the expansion body returns to its original shape, releasing the length reduction.
Product Performance Characteristics
- Compensates for axial expansion displacement caused by thermal stress and mechanical vibration
- Simplifies installation by compensating for construction alignment errors, reducing difficulty and accelerating progress
- Excellent telescopic performance with long service life, easy to use, and reduces pipeline axial thrust effects
- Effectively mitigates adverse effects from ground subsidence or crustal changes on pipelines
Product Parameters
| Serial Number | Name | Quantity | Material |
|---|---|---|---|
| 1 | Body | 1 | QT450-10,Q235B |
| 2 | Sealing ring | 1 | EPDM,NBR,etc. |
| 3 | Gland | 1 | QT450-10,Q235B |
| 4 | Limit stub | 1 | Q235B |
| 5 | Nut | 4n | Q235B,20# |
| 6 | Long stub | n | Q235B,20# |
| 7 | Short stub | n | Q235B,20# |
Technical Specifications
| DN | Tube Outer Diameter | Dimensions | Scaling Amount ΔL | Flange Connection Size (0.6Mpa) | Flange Connection Size (1.0Mpa) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| L | L1 | D | D1 | n-do | D | D1 | n-do | |||
| 65 | 76 | 340 | 105 | ±25 | 160 | 130 | 4-φ14 | 185 | 145 | 4-φ14 |
Scope of Use
The double flange limit expansion joint offers excellent comprehensive performance, making it widely suitable for chemical plants, construction, water supply, drainage, petroleum, light/heavy industry, refrigeration, sanitation, plumbing, fire protection, and electrical infrastructure projects. It is particularly effective for pipelines experiencing significant vibration and frequent temperature variations.
Installation Instructions
- Install to allow all moving parts full range of motion
- Use guide brackets to align pipeline vibration with joint displacement compensation
- Tighten bolts symmetrically and gradually to prevent leaks
- Perform regular maintenance to minimize potential issues
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Company
Henan Lianghe Pipeline Equipment Co.,Ltd
Location
Pipeline Industrial Park, Gongyi City, Henan Province, China
Contact Person
Kelly