Document 8o6QGnRmObrmx8L46erqyRR5

Johns-Manville Inc. Insulating Materials Space limitations do not permit the insertion of complete efficiency tables, pipe sizes, insulation thick ness. etc. If you do not find the size you want, write to the nearest Johns-Manville Division sales office. JOHNS-MANVILLE 85 PER CENT MAGNESIA INSULATION An efficient insulation for steam lines to 600 deg. fahr. EFFICIENCIES Pipe Size Inches Nominal Insulation Thickness Inches 10 Std. 3 20 Std. 3 30 Std. 3 40 Std. 3 60 Std. 3 80 Std. Surface 3 0 3 Temperature Difference Between Pipe and Surrounding Air. Deg. Fahr. 100* 200* 300* 400" . 500* Temperature of Pipe, Deg. Fahr. (Temperature of Surrounding Air. 75 Deg.) 175* 275" 375* 475* # .575? Heat losses per linear foot of bare pipe per hour and Efficiencies of insulation Bare Pipe Loss. B.t.u... " %................... Bare Pipe Loss, B.t.u... " % ................. " %................... Bare Pipe Loss, B.t.u... ' % . .... " %................... Bare Pipe Loss, B.t.u.. " %................... Bare Pipe Loss, B.t.u... " % ............... " %................... Bare Pipe Loss, B.t.u... % ........... " %................... (Bare Surface) B.t-u.. % ............. %................... 74.0 68.7 78.4 81.4 133.9 76.7 83.3 86.2 197.3 78.8 85.2 88.2 253.5 81.7 86.4 89.3 371.9 82.7 87.8 90.4 485.7 83.7 .88.4 91.1 215.2 82.36 90.16 93.22 183.4 73.7 82.0 84.6 331.5 80.5 85.9 88.5 488.8 82.3 87.7 90.2 627.9 84.5 88.7 91.1 923.7 85.4 89.8 92.1 1203.0 86.2 90.3 92.7 533.0 85.20 91.85 94.37 337.4 77.7 84.8 87.0 608.3 83.3 88.2 90.2 896.8 84.8 89.6 91.7 1152.1 86.9 90.5 92.4 1694.9 87.6 91.3 93.3 2207.3 88.4 91.8 93.7 978.0 87.60 1 93.12 I 95.25 555.2 81.1 87.3 89.1 1003.9 85.7 90.2 91.9 1480.0 87.1 91.4 93.0 1901.3 89.1 92.1 93.7 2797 1 89.7 92.8 94.4 3642.8 90.2 93.1 94.8 1614.0 89.64 94.27 96.06 891.0 84.0 89.5 90.9 1611.0 66.2 91.7 93.3 2375 0 89.3 92.9 94.2 3051.0 . 90.8 93.4 94.8 4488.5 91.3 94.0 5845.6 91.9 95.6 2590.0 91.48 . . 95.31 JOHNS-MANVILLE ASBESTO-SPONGE FELTED INSULATION For insulating high pressure and superheated steam lines to 750 deg. fahr. EFFICIENCIES Pipe Size Inches Nominal Insulation Thickness Inches 1 2 3 4 6 Flat . Surface 0 1 2 3 O' 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 21 3 0 1 2 3 Temperature Difference Between Pipe end Surrounding Air. Deg. Fahr. 100* 200 300* 400* 500" Temperature of Pipe, Deg. Fahr. (Temperature of Surrounding Air. 75 Dee.) 175* 275* 375* 475 . 575 Heat losses per linear foot of bare pipe per hour and Efficiencies of insulation'. Bare Pipe Loss, B.t.u.. . " %................... Bare Pipe Loss. B.t.u*.. . % ___ %............. Bare Pipe Loss, B.t.u... ". % ................. " '%................... Bare Pipe Loss, B.t.u... " %................... Bare Pipe Loss, B.t.u... %................... . %................... Bare Pipe Loss, B.t.u... " ' %................... . " .%........ (Bare Surface) B.t.u...... "% ___ %................. 74.0 76.5 80.7 83.5 133.9 80.4 85.1 87.7 197.3 82.2 86.8 89.5 253.5 83.3 87.9 90.5 371.9 84.2 89.1 91.5 485.7 84.8 89.6 92.1 .215.2 84.17 91 32 94.02 183.4 79.9 83.6 86.1 331.5 . 83.3 87.2 89.6 488.8 84.9 88.8 91.2 627.9 85.8 89.7 92.0 923.7 86.5 90.7 92.9 1203.0 87.0 91.2 93.4 533.0 86.50 92.61 94.90 337.4 82.6 85.8 88.0 608.3 85.5 89.0 91.0 896.8 86.8 90.3 92.3 1152.1 87.6 91.1 93.0 1694.9 88.3 91.9 93.8 2207.3 88.7 92.4 94.2 978.0 88.38 93.61 95.59 555.2 85.2 87.8 89.8 1003.9 87.6 90.6 92.4 1480.0 88.8 91.7 93.5 1901.3 89.5 92.4 94.1 2797.1 90.1 93.1 94.8 3642.8 90.4 93.4 95 1 1614.0 90.10 94.55 96.23 891.0 87.4 90.0 91.5 1611.0 89.3 92.1 93.7 . 2375.0 90.3 93.2 94.6 3051.0 90.9 93.7 95.1 4488.5 91.4 94.3 95.6 5845.6 91.7 94.6 95.9 2590.0 91.73 95/44 96.85 458 i I > Johns-Manville Inc. _____________________. Insulating Materials JOHNS-MANVILLE IMPROVED ASBESTOCEL INSULATION For insulating pipes conveying hot water or steam at. medium and low pressure. EFFICIENCIES pip. Sizes Inches Ply Temperature 100* Difference Between Pioe and Surrounding Air 150* 200" 250" ' Deg. Fahr. 300* 1 emperature 175" of Pipe, Deg. 22?" Fahr . (Temoerature 275* of Surrounding 325" Air, 75 Deg.) 375" Heat losses per linear foot of bare pipe per hour and efficiencies of insulation 1 Bare Pipe Loss, B.Lu.,... f-pjy Efficiency %........................ 3-ply %........................ 4-ply " %........................ 74.0 57.8 62.9 66.4 2 Bare Pipe Loss, B.t.u........ 2-ply Efficiency %....................... My 4-ply " %........................ * %....................... 133.9 64.5 69.7 73.0 3 Bare Pipe Loss. B.t.u.... 2-ply Efficiency %....................... 3-ply * %....................... My * %....................... 197.3 67.2 72.6 75.9 4 Bare Pipe Loss, B.t.u. .. 2-ply Efficiency %... 3-ply %....................... 4-ply " %....................... 253.5 68.6 74.0 77.4 6 Bare Pipe Loss, B.t.u. 2-ply Efficiency %......... 3-ply * %................... 4-ply %....................... 371.9 70.0 75.6 79.0 8 Bare Pipe Loss. B.t.u........ 485.7 2-ply Efficiency % . 70.9 My 4-ply %....................... %....................... 76.4 79.8 j 123.8 59.8 64.8 68.1 223.9 66.1 71.3 74:5 330.1 68.7 74.0 77.2 424.2 70.0 75.3 78.5 623.9 71.4 76.8 60.1 812.5 72.2 77.6 80.9 183.4 61.6 66.6 69.7 331.5 67.6 72.6 75.7 488.8 70.0 75.3 78.3 627.9 71.3 76.5 79.6 923.7 72.6 77.9 61.1 1203 0 73.3 78.6 81.8 71.2 73 9 76.9 72.6 78.0 79^4 80.3 80.6 81.5 79.0 82.0 1664.5 82 7 79.9 82.8 2207.3 83.5 JOHNS-MANVILLE STEAM TRAPS Type A (Cast Iron) The simplicity of the Johns-Manville Steam Trap practically eliminates all possibility of its getting out of order. It has and requires no adjustments, and consists of only three parts--the body, discharge bushing and rolling ball, the latter being the only part that moves. Trap No. Pipe Size Inches Capacity Pounds of Water per Hour, A Dimensions in Inches (See Diagram) BcD E Weight Lbs. y 700 1 1000 1% 1700 Wr . 3500 2 6000 k a*8% 10% 2% 3>4 y/z 4'/2- 4% 5% 10% l4>/4 23 47 12% 14% nA 5% 6% m 12% 8% 14% 85 126 Cast Iron Model JUNIOR MODEL (Bronze) For steam pressures to 50 lbs. 3^ in. outlet and inlet pipe connections. Bushings for pressures from 1 to 10 lbs. and 10 to 50 lbs. Trap -., Junior Pipe Size. Inches Pressure Range Capacity, Pounds Pounds -------- of water per Hour % 1-10 10-50 250 4% inches long by 35/g inches high; weight. 2 pounds. 6 ozs. 459