JCM Industrial Installation Instructions Manual.pdf

Installation Instructions Model 306 Fabricated Flanged Coupling Adapter Model 307 Fabricated Reducing Flanged Coupling Adapter

Read instructions before starting installation* Review of “Tricks of the Trade” on the reverse will assist with installation. For purposes other than water, contact JCM Industries for application and product assistance.

1. Clean pipe surface of all dirt, rust, mud or loose scale from pipe ends. Inspect the pipe ends where gaskets will contact the pipe for any gouges, grooves, irregularities or imperfections that will interfere with the gasket seal. Measure the cleaned pipe diameter to confirm proper size of coupling for application. Inspection of the pipe’s integrity for product application is the responsibility of the end user. *TIP* Difficult to reach or cramped areas on the backside or underside of the pipe can be visually checked by using a mirror. 2. Lubricate both the pipe and the entire gasket with water or soapy-water mixture. Install follower ring, gasket and flanged adapter body onto the plain end of pipe. NOTE: Flat side of the gasket face meets the follower ring, the tapered side inserts into the adapter body. *TIP* Alcohol may be added to water in freezing weather. DO NOT use pipe lubricant or grease based products to lubricate . 3. Insert the flanged coupling adapter bolts to make up the coupling side. Loosely make up the FCA on the pipe end making certain the pipe extends past the gasket a minimum of one inch after deflection has occurred. Mark the pipe with a reference point to make certain FCA does not slide during tightening. 4. Align bolt holes of the adapter and flange and loosely make up flange connection. Tighten flange bolts and nuts, alternating bolts in a star pattern. Recommended Torque: 5/8” Bolts 75 Foot Pounds 3/4” Bolts 90 Foot Pounds 5. Lift the middle ring to insure that the gasket is evenly centered in the end. Tighten flange coupling adapter bolts to make up the coupling side, alternating from side to side drawing the follower flange in evenly until all bolts have been tightened. Check torque of bolts prior to completion. For fittings provided with stainless steel bolts, see reverse for guidelines. NOTES: Pipe ends must be inserted past the end of the gasket a minimum of one and one-half (1-1/2”) inches. For deflected/offset pipe ends, pipe ends must be inserted a minimum of one and one-half (1-1/2”) inches past the end of the gasket after the deflection/offset has occurred. Do not exceed a recommended 4° of pipe deflection with the coupling without inspecting the centering and sealing of the gasket in the middle ring and follower ring. Excessive deflection will cause the gasket to improperly seal. For Restrained Couplings: Using a 12 point 7/16” socket wrench, evenly tighten all set screws until they are in contact with the pipe. Then alternately tighten them in a star pattern to approximately 50 Ft-lbs.of torque. When set, tighten all set screws in a star pattern to 80 -90 Ft-lbs. torque has been reached.evenly tighten all restraining set screws until they are in contact with the pipe. IMPORTANT: Standard couplings do not provide for axial pipe movement. In applications in which lateral pipe pull out may occur, pipe restraint must be provided. See fitting manufacturer recommendations for applications on High Density Polyethylene Pipe (HDPE). Restraining set screws are not recommended for Asbestos Cement, PVC, HDPE or other thin wall pipe or brittle pipe. Pipe inspection is the responsibility of the end user. Ductile iron couplings and flanged coupling adapters create a flexible joint that allows minimal deflection and movement of the pipe at the joint. Use of restraining torque head set screws eliminates this flexibility and changes the fitting to a rigid joint that no longer accommodates deflection or movement after fitting installation.


*Ensure fitting is suitable for application (confirm size, materials, pressure ratings, line content, meets local governing & association standards, etc.). Pipeline operation forces, including pressure fluctuations, thermal expansion/contraction, movement/shifting, etc. will influence the success of the application. Proper anchorage, restraint, harnessing, thrust blocks or other devices must be provided to prevent pipe movement (lateral, angular, axial) or pipe pullout from the bolt-on fitting. Inspection of the pipe integrity is the responsibility of the end user. JCM recommends the use of calibrated torque wrench. Failure to follow installation instructions will result in voided product warranty. For application review or questions contact JCM Industries at 1-800-527-8482, 903-832-2581

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