STEEL EXPANSION JOINT TYPE SF-13
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STEEL EXPANSION JOINT TYPE SF-13 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 20 – DN 1200 STRUCTURE TYPE SF-13 / STEEL BELLOWS PN 10, 16 Vacuum-proof axial expansion joint consisting of two stainless steel bellows (DN 125 – DN 1200 with connecting pipe) and welded flanges Guide sleeves to stabilize the expansion joint Guide sleeves do not supersede pipe guide bearings Multiple convolution bellows in various stainless steel grades Single ply or multi-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. FLANGES / VERSIONS for compensating large axial movement for installation in long pipe routings industrial applications heating installations CONNECTING PIPE Materials Standard: 1.0345 (P235GH), 1.0038 (S235JR), 1.4541 Others: stainless steel etc. Corrosion protection Standard: anti-corrosion primed Others: special varnish etc. GUIDE SLEEVE Materials Standard: 1.4541 Other sizes (DN), lengths or pressure ratings on request. Others ANSI, BS etc. Connection dimensions see technical annex page 213 – 215 ACCESSORIES Protective tube Corrosion protection SPECIAL DESIGN Welded flanges, up to DN 250 with turned seal Flange drilling for through bolts Standard

PRESSURE RATE STANDARD PROGRAM PN 10 Ø di Internal guide sleeve Ø mm A* Effective bellows cross sectional area cm2 C ax Axial spring rate N/mm PRESSURE RATE STANDARD PROGRAM PN 16 C ax Axial spring rate N/mm A* Effective bellows cross sectional area cm2 Ø di Internal guide sleeve Ø mm Table values refer to +20 °C, bellows material 1.4541, 1000 cycles. Max. allowable pressure pulsation of 1.0 bar (brief periods). Please inquire for deviating values. *Effective bellows cross sectional area is a theoretical value. **This value represents the total possible movement. Example: D axtot= 28mm....