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VPN 系列 - 止回阀
FEATURES
DELTA VPN 止回阀用于必须防止液体回流到管道中的场合。该阀门通过弹簧作用阀盘上的液体压力打开。关闭过程由预加载弹簧启动,当液体以流动方向流动时停止。
该阀门仅包含几个零部件,是 DELTA RUF3 阀门的经济型替代品。
DIMENSIONS & SPECIFICATIONS
阀壳、阀门、阀盘、导向装置、阀盖由 1.4571 / 1.4404 (DIN EN 100888) 等级不锈钢制成。
可用的密封材料为 EPDM 和 Viton。
标称尺寸:DN 25 DN 100 和 ISO 1 4.