expansion joint, corrugated compensator
Provide all kinds of corrugated expansion joint, corrugated compensator, according to the drawings customized non-standard connectors, flange ends pipe fittings and so on.
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We offer a wide range of products, including corrugated expansion joints, compensators, and telescopic joints—such as corrugated, sleeve, square, and universal types. We also provide custom manufacturing for various non-standard connectors and flanged pipe spools based on your drawings.
Production Standard System for Compensators
I. General Technical Standards
Domestic Standards for Metal Compensators
GB/T 12777-2019
General technical specifications for metal bellows expansion joints; covers requirements for design, materials, manufacturing, and inspection; applicable to the production of compensators for piping systems and pressure vessels.
GB 16749
Specific to bellows compensators for pressure vessels; limits design pressure to ≤6.4 MPa; specifies capabilities for accommodating axial, lateral, and combined displacements.
International Standards
EJMA (Standards of the Expansion Joint Manufacturers Association, USA)
Applicable to various types of bellows (U-shaped, V-shaped, rectangular, etc.); widely used for compensation requirements in piping and vessels; emphasizes displacement absorption capacity and adaptability to diverse application scenarios.
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Company Overview
We are a professional company in manufacturing and exporting the steel products. Our products include Steel pipe, pipe fittings, flanges, steel sections , valves , and bolts nuts Etc. We have our own two big factories, which make seamless stainless steel pipe and pipe fittings, and also have warehouse for alloy steel products. Until now, we already have over 30years exporting experience in the different steel projects.
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