多通球阀
501F, 三-四-五通法兰球阀
陆功的 501系列是高压三/ 四通球阀。此阀有法兰 ANSI600/ 900/ 1500 以及牙口/ 套焊/ 对焊多种侧盖形式。固定球设计，让此阀适用于高压差工况。并附有ISO 5211直接加装平台，便于组装趋动器或齿轮操作器。
Automation application (actuator/ limit switch box/ solenoid valve)
Cavity filler to keep from deposit or media solidification
Self-flushing design
Fugitive emission bonnet
180° stop plate for 180° operation
Various seat materials for different conditions
Special alloy materials are available
● Body & end caps quality investment and sand casting
● with ISO 5211 direct mounting pad up to 4″, ISO holes for larger sizes
● High performance adjustable stem packing
● Blow-out proof stem design
● Available in 3/4/5-way construction
● Ball type can be L/ T/ X/ I-port
● with real locking function
● ASME/ PN/ JIS flange connection