Lüdecke - Main Catalogue Page 210
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Standards for Claw Couplings Claw Couplings according to DIN 3238 New seal holder embedded in coupling body Special requirements • Threads according to DIN EN ISO 228-1 and ANSI/ ASME B 1.20.1 • Claw couplings and sealing rings corresponding to this standard must have manufacturer markings! • Working pressure max. 16 bar • 100 % sight control • 100 % function check with gauge (coupling control) • Approved raw materials used only: Malleable iron: EN-GJMW-400-5(EN-JM1030) acc. to DIN EN 1562 M1-Alloy: Alloy DIN 17660-CuZn39Pb2 (2.0380) Steel: Type to be chosen by manufacturers 11SMnPb30 (1.0718) acc. to DIN EN 10087 11SMnPb30 (1.0718) acc. to DIN EN 10277-3 X5CrNi Mo 17-12-2 (1.4401) acc to. DIN EN 10088-1 G-X5CrNiMo 19-11-2 (1.4408) acc. to DIN EN 10213-4 G-X5CrNiMoNb 19-11-12 (1.4581) acc. to DIN EN 10213-4 • New seal • New seal holder - 2-way guidance Claw Couplings according to DIN 3489 Test gauge for claw couplings 210 Special requirements • Threads according to DIN EN ISO 228-1 and ANSI/ ASME B 1.20.1 • Claw couplings and sealing rings corresponding to this standard must have manufacturer markings! • Working pressure max. 10 bar • 100 % sight control required • 100 % function check with gauge (coupling control) • Approved raw materials used only: Malleable iron: EN-GJMW-400-5(EN-JM1030) acc. to DIN EN 1562 M1- Alloy: Alloy DIN 17660-CuZn39Pb2 (2.0380) Steel: Type to be chosen by manufacturer 11SMnPb30 (1.0718) acc. to DIN EN 10087 11SMnPb30 (1.0718) acc. to DIN EN 10277-3 X5CrNi Mo 17-12-2 (1.4401) acc. to DIN EN 10088-1 G-X5CrNiMo 19-11-2 (1.4408) acc. to DIN EN 10213-4 G-X5CrNiMoNb 19-11-12 (1.4581) acc. to DIN EN 10213-4
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