2021 wholesale price Rubber Joint - Expansion Joints – HESPER
2021 wholesale price Rubber Joint - Expansion Joints – HESPER Detail:

Size: DN32 to DN4000, also can be customized
Connector approval: Flange, flange type Threaded, Union type Rubber Joint, also can be customized
Flange drilled: BS, DIN, ANSI, JIS or others provided drawing samples
Threads: DIN, BSPT, BSP, NPS, NPT, Metric, (ISO7/1, DIN 2999, ANSI B1.20.1)
Type: EPDM, NBR, NR, PTFE, Polarity rubber Body, Single arch or double arch, carbon steel galvanized flange, flange end and threaded end, flange: Carbon steel or stainless steel
Application: It is widely used in chemical engineering, construction, water supply, drainage, petroleum, light and heavy industries, refrigeration, sanitation, water heating, fire protection, electric power and other basic projects. According to different materials can be made into acid, alkali, corrosion, oil, high temperature, radiation, wear resistance, aging and other varieties, to adapt to a variety of media and environment.
Expansion Joints Feature
1. Small volume, light in weight, very good flexibility, convenience installation and maintenance.
2. Transverse displacement, axial displacement, angular displacement.
3. Reduce noise, shock absorption.
Expansion joints are specially engineered products inserted in a rigid piping system to achieve one or more of the following:
1) Absorb movement
2) Improved thermal stability
3) Relieve system strain due to thermal change, load stress, pumping surges, wear or settling
4) Reduce mechanical noise
5) Compensate for misalignment
6) Eliminate electrolysis between dissimilar metals

Expansion Joints General Data
| Size | ΦD1 | ΦD2 | N-Φd | D | d | Extension | Compression | Horizontal displacement (mm) | Weight(kg) |
| DN32 | 140 | 100 | 4-18 | 95 | 16 | 6 | 9 | 9 | 3.4 |
| DN40 | 150 | 110 | 4-18 | 95 | 18 | 6 | 10 | 9 | 4 |
| DN50 | 165 | 125 | 4-19 | 105 | 18 | 7 | 10 | 10 | 5.5 |
| DN65 | 185 | 145 | 4-19 | 115 | 20 | 7 | 13 | 11 | 6.7 |
| DN80 | 200 | 160 | 8-19 | 135 | 20 | 8 | 15 | 12 | 7.7 |
| DN100 | 220 | 180 | 8-19 | 150 | 22 | 10 | 19 | 13 | 9.4 |
| DN125 | 250 | 210 | 8-19 | 165 | 24 | 12 | 19 | 13 | 12.7 |
| DN150 | 285 | 240 | 8-23 | 180 | 24 | 12 | 20 | 14 | 15.8 |
| DN200 | 340 | 295 | 12-23 | 210 | 24 | 16 | 25 | 22 | 20 |
| DN250 | 405 | 355 | 12-28 | 230 | 28 | 16 | 25 | 22 | 29.22 |
| DN300 | 460 | 410 | 12-28 | 245 | 28 | 16 | 25 | 22 | 32.8 |
| DN350 | 520 | 470 | 16-28 | 255 | 28 | 16 | 25 | 22 | 41.3 |
| DN400 | 580 | 525 | 16-31 | 255 | 30 | 16 | 25 | 22 | 55.6 |
| DN450 | 640 | 585 | 20-31 | 255 | 30 | 16 | 25 | 22 | 61.8 |
| DN500 | 715 | 650 | 20-34 | 255 | 32 | 16 | 25 | 22 | 69.4 |
| DN600 | 840 | 770 | 20-37 | 260 | 36 | 16 | 25 | 22 | 96.8 |
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we are able to supply top quality items, aggressive price and greatest buyer assistance. Our destination is "You come here with difficulty and we offer you a smile to take away" for 2021 wholesale price Rubber Joint - Expansion Joints – HESPER, The product will supply to all over the world, such as: Cancun , Nairobi , Berlin , At Present, our merchandise have been exported to more than sixty countries and different regions, such as Southeast Asia, America, Africa, Eastern Europe, Russia, Canada etc. We sincerely hope to establish wide contact with all potential customers both in China and the rest part of the world.
By Miriam
from Venezuela
- 2018.02.21 12:14
This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
By Helen
from UK
- 2018.12.11 14:13






