STT STORAGE & TRANSFER.MEMBER OF CARMEUSE GROUP.STT旋转阀RVS系列维修/替代。方形进、出料法兰，采用六叶片设计的可调节/可更换叶尖转子，精密加工外壳，舷外轴承设计，锥形喉部阀门入口设计，可蕞小化转子与筒体之间的间隙，从而限 制泄漏。可承受蕞高15 psi的差压，链传动与链轮传动。输送散装物料：粉，纯碱活化粉煤灰碳(PAC)、大米，塑料，石灰颗粒，水泥，氧化镁，花生等。RVS系列标准旋转阀提供12英寸规格。　　SQUARE FLANGE, DROP-THRU VALVE　　The RVS Series Standard Rotary Airlock Valve is ideal for the pneumatic conveying of dry, free flowing, noncohesive bulk density products or powders. This square flange, drop-thru valve feeds material through the six rotating vanes where it drops out the bottom outlet flange via gravity.This outboard bearing airlock (valve) achieves high fill efficiencies with minimum air leakage, due to precise machining and tight rotor clearances. The RVS Series Standard Rotary Airlock Valve is available in a 12” size.　　FEATURES　　Square inlet and outlet flange.　　Fabricated six vane, adjustable/replaceable tip rotor.　　Cast iron construction.　　Precision-machined housing.　　Outboard bearing design.　　Packing gland type seals.　　Tapered throat valve inlet design.　　Handles differential pressures up to 15 psi.　　Chain and sprocket drive.　　PROCESS REQUIREMENT　　▪ Differential Pressure across valve: Max. 15 psig [103 kPag]　　▪ (Optional) Air Supply for Purge Package: Max. flow of 10 CFM [17 m³/h] @ pressure of 2 psig [14 kPag] higher than operating pressure