BM-Penstock

BM-Penstocks are used for blocking/regulating ducts and structures BM-Penstocks are supplied for mounting on a wall: BM-PS-W and for mounting in a duct: BM-PS-C BM-Penstocks are supplied as standard with the following operation: manual operation with handwheel, automatic but Auma drive, other types of operation such as pneumatic, hydraulic or other actuators on request. BM-Penstocks are delivered as standard structured as follows:

Steel frame rustproof EN1.4301 or acidproof EN1.4404, all stainless steel is fully pickled (dipped) after processing, which ensures the best possible corrosion protection. Damper plate rust-proof EN1.4301 or acid-proof EN1.4404, all stainless steel is completely pickled (dipped) after processing, which ensures the best possible corrosion protection. Seals between damper plate and frames are delivered as standard in EPDM rubber Sliding rails between damper plate and frames are delivered as standard in Polyethylene PE-HD 1000 color black, which is the most resistant to UV

Spindle: rustproof EN1.4301 or acidproof EN1.4404 Spindle Nut: Bronze R67/CUSN72NPB-CC493KGC

Bolt material: acid-resistant A4

BM-Penstocks can be supplied with or without a rising spindle depending on the task and the customer’s wishes, in general we advise against placing the spindle nut in water, just like a rising spindle ensures that the damper plate can always be opened/closed