Heavy (S) Reducing Coupling
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Thes hydraulic compression heavy series reducing coouplings conform to DIN 2353/ISO 8434-1, are manufacutred from plated steel. These straight reducing couplings are compression x compression. These fitting include the body, nuts and olives to provide the complete coupling.
Pipe screw joints and accessories have been improved by constant developments to achieve DIN 2353/ISO 8434-1.
The Range of size: 4 mm to 8 mm (LL) extra heavy, 6 mm to 42 mm (L) heavy and 6 mm to 38 mm (S) heavy series.
Working Pressures: Extra heavy Series 4 mm to 8 mm OD 100 bar (1450 psi), heavy Series 6 mm to 18 mm OD 315 bar (4569 psi) and 22 mm to 42 mm OD 160 bar (2320 psi), heavy Series 6 mm to 14 mm OD 630 bar (9137 psi), 16 mm to 30 mm OD 400 bar (5801 psi) and 38 mm OD 315 bar (4569 psi). Please note higher pressure ratings are available upon request contact our sales office for details.
Material: Pipe screw joints steel -40°C up to +120°C (DIN 3859). Reductions of pressure, these temperatures are only recommendations, which can be influenced by the operating medium.
Threads: BSP 1/8” to 1 1/2” to DIN-ISO 228, Whitworth DIN-IS0 228, Whitworth (keg) DIN 3858, Metric M10X1 – M48X2 to DIN 158, NPT (ANSI/ASME B2-20.1.1983)
Stud and thread ports: Stud Form B to DIN EN ISO 9974-3 and DIN 3852-1 (metrical), DIN EN ISO 1179-4 (BSP), Stud Form E DIN EN ISO 9974-2 (metrical), DIN EN ISO 1179-2 (BSP). Form C to DIN 158-1 (metrical), DIN 3858 (BSP), ANSI/ASME B1.20.1-1983 (NPT/NPTF).
Seals Soft sealing and O-rings sealing. NBR (Perbunan) -35°C up to +100°C. FPM (Viton™) -25°C up to +200°C upon request if required. PTFE (Teflon) -60°C up to +200°C.
Surface Protection: Steel, mass phosphated and mass oiled.