... larger size can be customized Materials: AISI304, AISI304L, AISI316, AISI316L Union nut(ISO9001: 2008, CE, TUV certified) Specification: DN10-DN150 ... IDF, RJT, AS, BS, BPE Connection: Welded, threaded, clamped, union-type available. Application: Dairy, Water, Food, Beer, Beverage, Pharmaceutical, ... reducer, sight glass, manhole cover, cleaning ball, centrifugal pump, pipe holder etc... Union nut