🔧 Grooved fittings – R.B. brand overviewR. B. Enterprise manufactures grooved couplings and fittings used for fast pipe assembly in industrial, plumbing, HVAC, and fire protection systems.Their grooved fitting range typically includes:Stainless steel grooved couplings (SS304 / SS316 / duplex) SG iron (ductile iron) grooved couplings Rigid and flexible grooved couplings Grooved elbows, tees, reducers (in some product lines) Rubber g ... Continue