The sealing function of BK3 and SK3 valves is only given when the pressure standing on the closed port is zero or if the pressure between the connected ports is higher than the pressure on the closed port. No shut -off position for third port is possible! To apply pressure from all ports, a special variant is required. Add A to the order code.
Dimensions: DN04 to DN25
body: FSt-PI, free cutting steel, S355J2G3
ball + stem: free cutting steel, stainless steel (1.4571/316Ti)
sealing: plastics, metal
Pressure range:
up to PN400 (note table of dimensions)
Field of application:
hydraulics, particularly in construction industry and agricultural machinery, mining industry (Material of seals and body adapted to application!)
Temperature range:
standard: -20°C to +60°C (-4 to +140°F)
Surface:
black oxide finishing, chrome-VI-free, varnished