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Built-in range assures proper fit on more than one class of pipe; reducing inventory requirements and alignment recesses for sleeve and tapping valve. ??Comes complete with corrosion resistant, high-strength, low-alloy bolts, and eliminates the chance of not having the right size sleeve.
Ease of assembly eliminates extra equipment, time, and specially trained personnel.
Ready availability means taps can be made without long delays; even taps on special sizes of pipe or services requiring high pressure flanges.
The direct reinforcement of the pipe, by the sleeve, eliminates flexing or deflection of the pipe opposite the tap. Weighs less than heavy cast iron sleeves, which reduces the load on the pipe.
Most important, 412 Tapping Sleeves assure a safe dependable tap. A large gasket cross section provides a positive initial seal, which improves with increases in line pressure.
** Data obtained using 20 mil natural coatings. Addition of pigments may cause varying results.
Limitations - Not suitable for hydrocarbon service. Normal Service: -20?_ F to 160?_ F Immersion Service: <125?_F
Special Approvals - Meets ANSI/NSF Standard 61 for potable water service. Classified by UL (Underwriters Laboratories, Inc.)
1. Determine O.D. of Pipe.
2. Select proper sleeve O.D. range.
3. Specify sleeve number and outlet size.
Epoxy with alloy bolts, add (E)
Epoxy with stainless steel bolts, add (ESS)
Metal primer with stainless steel bolts, add (SS)
Example: For A/C pipe with 14.21 O.D. with 6" outlet, epoxy coated with stainless bolts, order:
412-1420 x 6 ESS
LARGER SIZES AND OUTLETS AVAILABLE For outlets 14" and larger, the tapping valve to be used must be specified to assure proper alignment recess dimension. 412 Tapping Sleeves furnished with test plugs unless otherwise specified. *These sizes not available with size on size outlets. For size on size outlets a 1/2" undersize shell cutter is required.
Pipe sizes 6" - 12"-100 ft. lbs. of torque. Pipe sizes 14"& larger -125 ft. lbs. of torque
NOTE: For test and working pressure above 250 PSI bolts must be tightened to 150 - 170 ft. lbs. of torque. (Contact for proper application.)
On Thin Wall, PVC (SDR21, 26), and Flexible Pipe 50 - 55 ft. lbs. minimum HDPE SDR11, SDR17 -6" - 12" 60 ft. lbs. minimum HDPE SDR11, SDR17 -14" and Larger 90 ft. lbs. minimum
Note: Size on size tapping cutter must not be larger than recommended by pipe manufacturer. Also, tapping operation must not force the pipe away from the gasket seal.