DIN PPH Reducer Coupling Provider: PPH Pipe Reducer Couplings, Butt-welding Ends, DIN Standard, PPH, 25 x 20 mm - 63 x 50 mm.
ASME B16.11 Half Coupling Factory: ASME B16.11 Pipe Couplings, Class 3000 LB, 1-1/2 Inch, DN40, ASTM A105, ASME B16.11, Socket Welded SW Ends.