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McWane - Mechanical Joint Pipe
The `original` modern pipe joint, circa 1925; the mechanical joint remains in use primarily as a means for connecting fittings, valves, and similar appurtenances to a pipeline. The nuts, bolts, and gland featured in the joint provide a permanent watertight seal to 350 psi and more through a “stuffing box” compression of the gasket into its counterpart triangular recess of the joint.
Step 1. Clean the bell socket and spigot or plain end. Lubricate both the gasket and plain end by brushing an approved pipe lubricant.
Step 2. Place the gland on the plain end with the lip extension toward the plain end. Place the gasket on the plain end with the narrow edge facing the plain end.
Step 3. Insert the plain end into the bell and press the gasket into the bell recess. Push the gland toward the socket and center it around the pipe with the gland lip against the gasket.
Step 4. Insert and tighten the bolts. It is important to maintain the same distance between the gland and the bell face at all times. This is best done by alternating side to side and top to bottom, while tightening the bolts.
