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PLUMBING TUBE (Standard Sizes)

Cambridge-Lee Industries manufactures a full range of copper plumbing tube suitable for domestic water service and distribution, fire protection, solar, drainage, and fuel oil and gas distribution. Plumbing tube is available in hard drawn or annealed conditions.

Plumbing Tube Data - Rated Internal Working Pressure for Copper Tube
Nom. O.D. Type K Type L Type M DWV
annealed drawn annealed drawn annealed drawn annealed drawn
1/4" 0.375 855 1595 720 1350 - - - -
3/8" 0.500 935 1745 635 1195 450 840 - -
1/2" 0.625 735 1375 590 1105 410 760 - -
5/8" 0.750 610 1135 515 965 - - - -
3/4" 0.875 705 1315 470 875 325 610 - -
1" 1.125 545 1010 410 770 275 515 - -
1 1/4" 1.375 440 820 365 680 275 515 260 470
1 1/2" 1.625 410 765 340 630 275 510 235 420
2" 2.125 355 665 300 555 240 450 175 315
2 1/2" 2.625 330 520 275 520 220 410 - -
3" 3.125 320 605 260 490 210 385 125 230
3 1/2" 3.625 305 570 255 470 210 385 - -
4" 4.125 300 555 240 450 205 380 120 220
5" 5.125 278 517 215 404 186 349 121 227
6" 6.125 278 520 201 376 174 328 118 223
Service temperature up to 200º F, S=4800 psi (annealed), 9000 psi (hard drawn)