FIRE PROTECTION SPRINKLER ASSEMBLIES AND INSTALLATIONS WITH ADJUSTABLE PUSH-TO-CONNECT FITTINGS

The present invention provides an adjustable fire protection assemblies and methods. The assembly includes a sprinkler having a body with an outer encasing surface and a deflector supported from the body. An escutcheon having a receiver and a rim surround the fire protection sprinkler to define an aperture between the receiver and the sprinkler. A push-to- connect fitting of the assembly includesa tubular member with an end for connection to a pipe and an internal conduit that receives the sprinkler body. A seal member and a retaining ring are disposed within the tubular member to form an adjustable seal and grip about the sprinkler body. A releasing member translates to disengage the retaining ring from the sprinkler body; and the escutcheon translates with respect to the tubular memberin a sliding surface engagement to define an adjustable deflector -to-rim distance between the rim of the escutcheon and the deflector of the sprinkler. 提供了可调式消防组件和方法。所述组件包括喷洒器，所述喷洒器具有带有外包绕表面的本体以及从所述本体被支撑的偏转器。具有接收器和轮缘的罩盖环绕所述消防