The "Gasketed grooved couplings" has advantage, such as quick, simple, safe, reliability,economy, no wedding and no pollution. It also has absorbed pipe installationnoise, quiver spread, flatulence due to heat and short from hiding. It isused widely in water-supply system, fire-fitting system, metallurgy mire, ship buildingand so on.
Three-Way Couplings (Positive Tee Coupling)