Stone curtain wall main keel connection ferrule length is how much?
Stone curtain wall keel expansion joints are generally a layer of a set, available through the ferrule or connecting steel plate to achieve. Stone keel is mostly steel, ferrule is a small cross-section of the steel into the keel and the next to the welding, the top of the keel under the sleeve into the ferrule, the ferrule is generally inserted into the upper part of the profile of about 200mm; connecting steel is at the bottom The keel side welding two steel plate, so that the steel plate holding the top keel and bolted, steel plate bolt hole up and down the long hole, the size of the steel plate is not specific requirements, as long as the requirements and the relevant specifications to meet the line. Keel reserved between the 20mm gap.
The ferrule is generally inserted into the upper profile 200mm or so.
