Delta SD4阀门(双密封)安全流量阀门,专为食品,饮料,乳制品,制药和化学工业提供安全介质分离应用。它可作为关闭,切换和罐底阀。其他配置可根据要求提供。Delta SD4阀可作为4个标准外壳配置中的截止阀。其他配置可根据要求提供。优点•布置在座椅密封件之间的泄漏室;泄漏室由两个泄漏排出阀(NO)强制关闭(打开阀门)或向大气(封闭阀)打开。•优异的卫生特性主要是由于球形外壳而没有凹槽或圆顶。•剖面座椅密封,提供裂缝密封,并且座椅密封件的压缩由金属止挡控制。•泄漏排出阀排出座椅密封件之间的中性区域。 The leakage discharge valves (activated together with main actuator) are also used as flush - enabling CIP and SIP cleaning of the neutral area. •Actuator and control unit are standard parts from the SW4 product line. Additionally, a NOT element is fitted to the control unit as standard enabling to maintain higher line pressures. SPECIFICATIONS All product-wetted parts are made of AISI 316L / 1.4404 (DIN EN 100888). Seat seal materials are EPDM (standard), HNBR, VMQ, FPM (options). Available in DN 25 DN 100, 1 4. Valve variants: •Standard shut-off version: SD4, SDE4 •Long stroke shut-off version: SD4 •Aseptic version (with PTFE diaphragm support): SDMS4 •Change-over version: SDU4 •Tank bottom version: SDT4