Connection kit for SYRLock flange DN 25

SYRLock flange with DN25 internal thread & DN 32 external thread The innovative SYR system connection for the new Lock products in the fields of filter technology, leak protection and water treatment offers tool-free and secure installation. The high-quality SYRLock flange is unique on the market thanks to its simple, time- and cost-saving installation (bayonet lock). The SYRLock is available in DN 25 with an internal thread & DN 32 external thread. Also available SYRLock max in DN 40 and DN 50. Connection sets with external threaded screw connections in DN 20, 25 and 32 are available as accessories. There are, of course, also matching end caps in sizes DN 20–32 and DN 40–50. This flange is compatible with the NeoSoft Lock Connect I & II water softening systems, DRUFI Lock DFR & FR backwash filters, DRUFI Lock max DFR & FR backwash filters, TRIO Lock Connect, SafeTech+ Lock Connect, and other SYR products.  Advantages of the SYRLock sandwich flange Innovative flange with bayonet lock (connections available in both DN 25 female and DN 32 male) Tool-free installation Spring-loaded locking mechanism, releasable with a screwdriver Available in DN 25 & DN 32 external thread, also as SYRLock max, in DN 40 and DN 50 Note: It is best to order the flange at the same time if you choose a water softener from SYR’s Blacklane series.

The SYR DRUFI Lock DFR is a combination fitting system specially developed for installation at the building entrance, comprising a semi-automatic backwash filter with a pressure reducer, a pressure gauge and a drain funnel (in accordance with DIN EN 1717). It combines state-of-the-art technology with the highest quality workmanship.   The innovative SYR Lock flange supplied is used for installation in the pipework. The flanges can be fitted to both vertical and horizontal pipes. The built-in pressure reducer allows for individual pressure adjustment and rounds off the outstanding features in a very compact design. The DRUFI Lock DFR consists of a mechanically operated, semi-automatic backwash filter. The pressure reducer cartridge is factory-set to an outlet pressure of 4 bar, although individual pressure adjustment is possible between 1.5 and 6 bar.   The filter cup is made from high-quality plastic and has won the Red Dot Award 2026: Product Design. The housing and the internal plastic parts are made from impact-resistant thermoplastic, whilst the rubber parts are made from age-resistant elastomers. All other functional parts are made from a low-lead, dezincification-resistant red brass alloy or stainless steel. The O-rings used are made from asbestos-free fibre materials. All materials comply with recognised technical standards. The plastic parts and elastomers in contact with water comply with the KTW guideline issued by the Federal Environment Agency. The benefits at a glance Prevents pitting and corrosion Winner of the Red Dot Award 2026: Product Design Backwash system with Power Impeller technology Features a high-frequency twist for uncompromising cleanliness Rotatable viewing window for checking the level of contamination UV protection against bacterial growth Innovative SYRLock flange connection Important: The SYR Lock connection flange (DN 25 internal thread) is included in the scope of delivery! Other nominal diameters with external thread connections can be achieved using the optional connection sets (accessories available at extra cost) in DN 20, DN 25 and DN 32.