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Stainless Steel DIN Unions

PART NUMBER: DINU25
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Grade 304/316 Stainless Steel DIN 11851 Unions

The DIN 11851 union is widely used throughout Europe and the Middle East and incorporates a round slotted nut, male part, liner and D Section EPDM seal as standard. The union is manufactured to suit Imperial tube sizes from 1” to 4”.

DIN 11851 Standard

This standard applies for stainless steel screw pipe connections for expanding or welding for piping systems in the food industry. It specifies requirement for the dimensions, design and materials for threaded couplings for nominal sizes DN 10 to DN 100 for expanding, and nominal sizes DN 10 to DN 150 for butt welding to tubes as in DIN 11850. It has been prepared by Working Committee NA 003-01-14 AA "Armaturen für die Lebensmittelindustrie" ("Valves for the food industry") at the Valves Standards Committee (NAA).

Note: All DIN Unions are sold with a Standard EPDM Seal. Temperature rating for EPDM "E" gasket material is -51°C to 148°C.

Stainless Steel DIN Fittings Dimensions