DN1800 Limited Tie Rod Epdm Elastomer Large Flexible Rubber Fully Seal Expansion Joint Rubber Expansion Bellows
End-face fully sealed rubber joint
The characteristics of this product are: the flange touches the end face of the sphere, which not only improves the high-pressure resistance of the product, but also plays a good role in preventing it from pulling off.
Installation Notes
1. Rubber joints should be installed according to the natural length of the product, and installation beyond the displacement limit is strictly prohibited.
2. The pipeline must be supported by a fixed bracket or bracket, and both ends of the rubber joint must have a fixed bracket. The closer the bracket and the rubber joint are, the better.
3. The force of the pipe fixing bracket must be greater than the axial force, and the joint must not bear the weight and axial force of the pipe itself.
4. Please install within the allowable value range of the product. Exceeding the range of displacement and deflection will cause the rubber joint to leak or pull off.
5. The bolts should be tightened gradually at the corners. Excessive tightening will damage the sealing surface.
| Main connection dimension |
| Nominal diameter | Length (mm) | Axial displacement | Horizontal movement | Deflection angle |
| mm | Inch | Extension | Compression |
| 32 | 1 1/4 | 95 | 6 | 9 | 9 | 15° |
| 40 | 1 1/2 | 95 | 6 | 10 | 9 | 15° |
| 50 | 2 | 105 | 7 | 10 | 10 | 15° |
| 65 | 2 1/2 | 115 | 7 | 13 | 11 | 15° |
| 80 | 3 | 135 | 8 | 15 | 12 | 15° |
| 100 | 4 | 150 | 10 | 19 | 13 | 15° |
| 125 | 5 | 165 | 12 | 19 | 13 | 15° |
| 150 | 6 | 180 | 12 | 20 | 14 | 15° |
| 200 | 8 | 210 | 16 | 25 | 22 | 15° |
| 250 | 10 | 230 | 16 | 25 | 22 | 15° |
| 300 | 12 | 245 | 16 | 25 | 22 | 15° |
| 350 | 14 | 255 | 16 | 25 | 22 | 15° |
| 400 | 16 | 255 | 16 | 25 | 22 | 15° |
| 450 | 18 | 255 | 16 | 25 | 22 | 15° |
| 500 | 20 | 255 | 16 | 25 | 22 | 15° |
| 600 | 24 | 260 | 16 | 25 | 22 | 15° |
| 700 | 28 | 260 | 16 | 25 | 22 | 15° |
| 800 | 32 | 260 | 16 | 25 | 22 | 15° |
Product drawing
| Number | Name | Material |
| 1 | Outer rubber | NR,NBR,EPDM,FKM,Neoprene |
| 2 | Inner rubber | NR,NBR,EPDM,FKM,Neoprene |
| 3 | Pressurized ring | Steel wire strand |
| 4 | Flange | Ductile iron,carbon steel,ss304,ss316 etc |
| 5 | Frame | Nylon cord fabric |
Factory photos
Factory workshop photos
FAQ
Q: Can you provide drawings and technical data?
A: Yes, our professional technical department will design and provide drawings and technical data.
Q: What's the working temperature?
A: The working temperature is -20℃~120℃.
Q: What’s the material of flange?
A: The material of flange can be carbon steel, stainless steel and ductile iron.
Q: Can you provide only rubber?
A: Yes, we can provide only rubber.
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DN1800 Limited Tie Rod Epdm Elastomer Flexible Fully Seal Rubber Expansion Bellows Large Diameter Images
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