DIN UNION includes DIN UNION IMPERIAL, ISO TYPE, AND DIN EXPANDING, DIN 11850, DIN 11851, DIN11852 which can demend what you need. The materials are offered for food, dairy, beverage, meat processing, vacuum processing, pharmaceutical, chemical, and many other industries. It is necessary you specify at the time when orders be placing if heat numbers and MTR's are required. Sanitary DIN Ferrules that ZHENGYU offers are made by forged. DIN unions that ZHENGYU offers are made by casting, but forged material are required. The DIN Ferrules could be conformed with DIN Blank End Cap which is made by solid bar, DIN Clamp and other Adapters. Size:dn10-dn150, 1"-6".