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Kugelhähne und Multikupplungsysteme Pister

3-Way ball valves with thread connection

BK3 3-Way Diverter Ball valve

Question about this product? Type: 3-Way ball valves




compression fitting light and heavy series, BSP thread, NPT thread, UNC/UNF female thread, bulkhead connection, Thread connection


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)


black oxide finishing, chrome-VI-free, varnished


Ball valves with base plates, Combinations, Parallel combinations, ball valves with holes

More images & Product variants

BK3 with base plate

BK3 with holes

BK3 with cover

BK3 as combination
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Vogesenstrasse 37

76461 Muggensturm


Telefon: +49 (0) 72 22 - 50 02 - 0

Telefax: +49 (0) 72 22 - 50 02 - 50

E-Mail: info@pister-gmbh.com 

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