www.stauff.com/5/en/#135 135 PS Catalogue 5 § Edition 03/2024 STAUFF Screw-to-Connect Couplings Series PS § Carbon Steel Product Description Features Screw-to-connect couplings of the PS Series from STAUFF consist of a female body with external thread and a male tip with a screw sleeve. The Series is developed for particularly heavy-duty hammer applications and for connection of different booms in High Reach Demolition machines for connecting hydraulic lines in DN25 (1"). Coupling (screwing) and uncoupling (unscrewing) of the two halves is safe and very easy. After the connection is complete, all internal components have minimal play or clearance, which significantly reduces the risk of material fatigue. Another advantage is that the risk of permanent indentation, so-called "brinelling", on the surface of the male tip is eliminated, which can occur with push-to-connect couplings in similar extreme applications. The permitted working pressures of the series PS coupling is comparatively higher, and with a safety factor of 4x working pressure, maximum flow rate of 600 l/min (or up to 1000 l/min for short term period) and able to withstand, high oil flow rates, intense pressure impulses, extreme vibrations and severe operating and environmental (site) conditions. The PS Series is available in nominal size 25 (1"). § poppet valve § Coupling made from carbon steel with Zinc/Nickel surface coating § Sealing’s made from FKM (Viton®), HNBR, PTFE § Patented poppet valve unit with fully enclosed/chambered sealings eliminating the risk of extrusion faults § Bi-directional flow § Can be connected at 50 bar maximum residual pressure (tools required) Applications Construction Machinery Top Features Zinc/Nickel coating Vibration resistant Designed for secure connection
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