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The proven directly operated flow controller from Wandfluh, in the nominal size of M33, is now also available in an explosion protection execution. The valve is available as a 2-way function with the designation QNBPM33. The solenoid coil is explosion protection certified for underground and opencast mining and can be used worldwide. The corresponding approvals exist for ATEX, IECEx, EAC, INMETRO,…

Braking systems ensure the controlled deceleration and secure standstill of a complete plant respectively of its moving components. As security-relevant elements, they have to meet very high requirements. These depend on the particular range of applications. Braking systems thus have to be designed specifically for the intended service surroundings. The control of proportioning valves is performed…

These valves are hydraulically actuated proportional spool valves in cartridge construction. The spool and sleeve are made of hardened steel, and according to the K8 standard, the external parts are zinc/nickel-coated.

As a result of the modular structure of the WANDFLUH product range, the spool and poppet valves with the nominal sizes NG4, NG6 and NG10 can be supplemented by simple or redundant switching position monitoring. The inductive switching technology used offers a lot of security as a result of its contact-free and therefore wear-free switching properties.