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Fabric Expansion Joint Series RS801

Model No:

Compensate for movements in several directions simultaneously

Almost no reactive forces

Requires little space for installation

Easily adapts to existing physical conditions

Cold on the outer layer during operation to protect employees on site

Details

Specification

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FAQ

Product Details

DEVEL Fabric Expansion Joint are installed as flexible connections in air, duct and flue gas piping systems to take up or compensate for thermal expansion, vibrations and misalignments.

By combining different materials and taking into consideration the thermal, chemical and mechanical resistance as well as the fatigue properties of the materials, our designers provide the optimum solution both in technical and economical respect. DEVEL Fabric Expansion Joint are used in conventional power plants fired with coal, oil and gas turbine systems.

DEVEL Non-metallic fabric expansion joint, also known as non-metallic compensator, which is subordinate to the compensator. The main materials are fabric, rubber, high temperature resistant materials. It can offset the vibration of the fan, air duct operation and pipeline deformation.

Specification

Length（mm）

150

200

250

300

350

400

450

500

600

700

800

Type

Item

Working
Temperature（long-term Impact）

Ⅰ

≤80/≤±120

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Ⅱ

≥120/≤±280

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Ⅲ

≥280/≤±400

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Ⅳ

≥400/≤±600

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Ⅴ

≥600/≤±800

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Working Pressure
（normalcy/impact）Kpa

Ⅰ

≤±5/≤±10

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Ⅱ

≤±10/≤±25

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Ⅲ

≤±10/≤±25

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Ⅳ

≤±10/≤±25

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Ⅴ

≤±10/≤±25

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Compensation
Value（mm）

Axial
Displacement

—45/+15

—45/+15

—45/+15

—45/+15

—45/+15

—45/+15

—45/+15

—45/+15

—45/+15

—45/+15

—45/+15

Lateral
Displacement

Q

±15

±15

±15

±15

±15

±15

±15

±15

±15

±15

±15

Air flow speed
in the air duct

Ⅰ

8～15

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Ⅱ~Ⅴ

8～20

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FAQ

What's the DN and PN?

DN (Nominal Diameter) is a standardized size label for pipes/fittings (approximate ID for compatibility, not exact dimension). PN (Nominal Pressure) is the rated pressure capacity (usually in bar, e.g., PN16 = 16 bar). Both specify size and pressure resistance in piping systems.

What's the material?

"Material" refers to the substance or matter from which something is made, such as metal, plastic, wood, etc.

What's the connection(flange or thread)?

"Connection" here refers to how components are joined. Flange uses flat plates with bolts, and thread (threaded connection) uses screw-like ridges for assembly, like in pipes or fittings.

What's the standard(ANSI, DIN, BS, JIS)?

These are industrial standards organizations: ANSI (USA): American National Standards Institute. DIN (Germany): Deutsches Institut für Normung. BS (UK): British Standards. JIS (Japan): Japanese Industrial Standards. They set technical specifications for products (e.g., pipes, flanges, machinery).

What's the medium working with?

"Medium working with" typically refers to the substance or material that flows through or interacts with a system (e.g., pipes, equipment), such as water, gas, oil, chemicals, or air.

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