Tag: rigid couplings

  • China supplier FM UL Ductile Iron Fire Fighting Grooved Rigid Flexible Couplings

    Product Description Type:Coupling, elbow, tee, cross, reducer, cap, mechanical tee, mechanical cross, flange adaptor,etc. Size:1/2″-12″ Standard:ANSI, ASTM, DIN, JIS, GB, BS, etc. Material: Ductile Iron ASTM A536, Grade 65–45–12,etc. Surface finish: passivated, stain polished, mirror polished, e-coating etc. Usage: 1) Automatic sprinkler system for fire protection on commercial, civil and municipal constructions like water supplying,…

  • China Good quality UL/FM Ductile Iron Grooved Flexible Coupling Rigid Couplings for Fire Fighting

    Product Description Ductile iron grooved pipe fittings and couplings (FM and UL approved)¬†mainly including 2 kinds of grooved products: (1) the pipe fittings function on connecting and sealing such as rigid coupling, flexible coupling, mechanical tee and grooved flange, (2) the pipe fittings function on connecting and transition such as bend, tee, cross, reducer. 1.…