High Quality Expansion Joint - Expansion Joints – HESPER

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High Quality Expansion Joint - Expansion Joints – HESPER Detail:

Expansion joints1

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


Expansion Joints-1

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


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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-4

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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202006090305593
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20200305593
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Product detail pictures:

High Quality Expansion Joint -
 Expansion Joints  – HESPER detail pictures

High Quality Expansion Joint -
 Expansion Joints  – HESPER detail pictures

High Quality Expansion Joint -
 Expansion Joints  – HESPER detail pictures

High Quality Expansion Joint -
 Expansion Joints  – HESPER detail pictures

High Quality Expansion Joint -
 Expansion Joints  – HESPER detail pictures

High Quality Expansion Joint -
 Expansion Joints  – HESPER detail pictures


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Our goods are commonly recognized and reliable by consumers and may satisfy continually developing economic and social needs for High Quality Expansion Joint - Expansion Joints – HESPER, The product will supply to all over the world, such as: Cannes , Amsterdam , Cape Town , We follow up the career and aspiration of our elder generation, and we're eager to open up a new prospect in this field, We insist on "Integrity, Profession, Win-win Cooperation", because we have now a strong backup, that are excellent partners with advanced manufacturing lines, abundant technical strength, standard inspection system and good production capacity.
  • The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Maxine from kazakhstan - 2018.12.05 13:53
    Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Margaret from Lisbon - 2018.12.10 19:03

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