Threaded PE Coupling GW-STAL 20x1/2 "PN 16
PE-STEEL coupling with external thread PN 16 SDR 11 with a diameter of fi 20x1/2 ", manufactured in accordance with ISO, UNI, DIN, NF, made of polyethylene (PE HD) in black with blue nuts, is intended for the construction of water supply systems and Irrigation. It is characterized by high hydraulic tightness and quick and easy assembly. Connecting the GZ-STAL coupling to the PE tube is done with