Aluminum or brass expansion ring couplings are available for request.
Different threads are available, such as NPSH, NST, NPT, WST etc.
For brass expansion ring couplings, rockerlug or pinlug are optional unpon customers’ request.
According to different wall thickness of hoses, expansion ring couplings with different bowl sizes are available for request. For example, the bowl size of 1 1/2″ single jacket fire hoses are smaller than 1 1/2″ double jacket fire hoses. Please refer to professional sales service person from Asoe to purchase correct couplings according to specific demands.
Application
Applied to connect PU-covered layflat hoses, Nitrile rubber layflat hoses or jacketed fire hoses.
These couplings ar mainly used in North American or South American market.