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Stainless Steel 304 and SS316L SMS Unions

Stainless Steel 304 and SS316L SMS Unions

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SMS unions are known as Swedish standard hygienic fitting. They are consist of a round or hexagonal union nut, a welding male, a welding liner and a gasket . Probably the most widely used hygienic fitting worldwide, there is always a small crevice between the face of the male spigot and the liner Therefore, it facilitates the removal of sections of pipe work without the need of to disturb adjacent sections.

Size Range: 25.4mm to 101.6mm
Materials: 1.4301(304), 1.4404(316L)
Processing: Forged
Interior surface finish: 20Ra(0.5μm)
Working Pressure Range, (Fully Forged Unions):
SIZE 25 - 38 Max. Working Pressure 40 Bar @20°C
SIZE 51 - 76 Max. Working Pressure 25 Bar @20°C
SIZE 101.6 Max. Working Pressure 16 Bar @ 20°C

Please send us these informations when you want to make a order:
• Description
• Size
• Material
• Surface Polish Requirements
• Quantity

• All Dimensions are according to SMS standard.
•Wall Thickness: Fittings OD25mm-OD51mm sizes are manufactured with 1.25 mm wall thickness. The OD63.5 fittings size is manufactured with 1.5mm wall thickness. The OD76.1 fittings size is manufactured with 1.6mm wall thickness. And the OD101.6 fittings size is manufactured with 2.0mm wall thickness.
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