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STEEL EXPANSION JOINT TYPE SG-10

STEEL EXPANSION JOINT TYPE SG-10

Product catalog summary
Specifications:
The document outlines the specifications for a steel expansion joint type SG-10, designed for axial movement compensation. It is vacuum-proof and consists of a stainless steel bellows with threaded connection parts. The expansion joint is suitable for various applications, including heating installations, drinking water systems, and pipe systems made of stainless or unalloyed steel, copper, or plastic pipes. It is certified under CE (PED 2014/68/EU).
Technical Details:
The expansion joint is available in sizes DN 15 to DN 50 with a pressure rating of PN 16. The effective bellows cross-sectional area is a theoretical value, and the total possible movement is specified (e.g., D axtot = 28mm, meaning +/- 14 mm movement). The document provides detailed measurements for each size, including axial movement, axial spring rate, and dimensions of the male thread.
Materials and Temperature Range:
The bellows are made from various grades of stainless steel, such as 1.4541, 1.4404, and 1.4571, suitable for temperatures ranging from -196 °C to +550 °C. These materials are resistant to low temperatures, acids, lyes, gases, fertilizers, media containing chloride, oil, soap, drinking water, foodstuff, and petrol.
Recommendations:
Users are advised to comply with general technical instructions regarding reaction force, moving force, fixed point load, and installation instructions. It is important to check or inquire about the resistance of material grades to temperature and medium, as well as any reduction in pressure by temperature.
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Catalog excerpts

STEEL EXPANSION JOINT TYPE SG-10-1

STEEL EXPANSION JOINT TYPE SG-10 NOTE Please comply with the general technical instructions regarding reaction force, moving force, fixed point load, installation instructions, etc. Subject to technical alterations and deviations resulting from the manufacturing process. AXIAL EXPANSION JOINT DN 15 – 50 MALE THREAD STRUCTURE TYPE SG-10 / STEEL BELLOWS PN 16 Vacuum-proof axial expansion joint consisting of a stainless steel bellows and threaded connection parts Connection parts with hexagon insert bit and male thread Multiple convolution bellows in various stainless steel grades Single ply structure Material grade* Possible uses Stainless steel Low temperature, acids, lyes, gases, fertilizers Media containing chloride, oil, soap, drinking water, food stuff, petrol * Check or inquire about the resistance of material grades to temperature and medium. ** Check or inquire about reduction in pressure by temperature. VERSIONS / Threaded connection parts APPLICATIONS for compensating axial movement for reducing tension, in pipes and their system components, e.g. pumps compressors engines turbines machines to compensate for installation inaccuracies for installation in heating installations drinking water systems for pipe systems of stainless or unalloyd steel for copper or plastic pipes for pressfitting systems Male thread PRESSURE RATE STANDARD PROGRAM PN 16 DN BL D ax tot** C ax A* Effective Ø D a Axial Axial bellows Bellows move- spring cross outer ment rate sectional Ø area mm mm mm N/mm cm2 SW Weight L Length Width across of thread approx. mm mm kg 13 15 17 19 19 24 Table values refer to +20 °C, bellows material 1.4541, 1000 cycles. Max. allowable pressure pulsation of 1.6 bar (brief periods). Please inquire for deviating values. *Effective bellows cross sectional area is a theoretical value. ** his value represents the total possible movement. Example: D axtot= 28mm. This means T that the expansion joint has a total movement value of 28 mm (= +/

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