brass forged manifold at high quality, Competitive price, Prompt delivery. brass forged manifold with manual air vent valve 1.Mounting:scaffolding, resistant to corrosion2.Media:water and glycol(<=60%)3.Integrated processing, prevent the leakage effectively4.2 ways-6 ways, freedom choice above 7 ways5.Slipknot type pipe joint, match the water outlet of DN16 or DN20, improve the reliability for ...