Alarm Bells and Accessories Anchors Anti-Freeze Ball Drip Break Shackle Locks Clamps Couplings Cutting Oil Escutcheons Fire Department Connections Gloves Hangermate Fastening System Headboxes Headguards Hex Nuts Hole Saws and Accessories Kydex Ring Machine Bolts Nipples Orifice Union Outlet Fittings Paint Markers Pressure Gauges Plates Rectorseal Ring Gaskets Rod Buttons Screws Sealants Sight Glass Signs Sign Chain Test Pump Toggle Wings Hole Hough Valves Washers Merit Weld-Miser Tee-Let Welding Branch Outlet Fittings Tee Let welding outlet fittings are manufactured from highly weldable steel which conforms to the chemical and physical requirements of ASTM A-53, Grades A or B, Type E. Ease of installation is assured when automatic welding equipment is used to install Merit Tee-Lets. Threads are cut in accordance with the requirements of ANSI B1.20.1, 300 lb. class, national standard for tapered pipe threads. BS21:1985 BSPT threads are available. Tee-Let threaded and grooved welded outlet fittings are UL/ULC Listed, and FM Approved for use in the fire sprinkler systems installed in accordance with the requirements of NFPA Bulletin 13. They are rated for 300 PSI operation in fire sprinkler systems, and higher pressures in other non-critical piping systems. Send for pressure ratings per ASME/ANSI B31. Tee-Lets are offered in a wide variety of header sizes. The considered header sizes shown in the following charts allow the fittings to be installed on more than one header size, while permitting the first size listed to fit the header perfectly, while a small gap along the longitudinal centerline of the header will appear for the second size listed. All Sizes Available.
Home | Products | Credit Terms | Contact Us | Catalog