Cold Weather Products Catalog

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Technical

ReferenceData Pressure-TemperatureRatings of CommonFlangeMaterials Recommended Maximum Pressure-Temperature Ratings 1 for Catalog Flange Immersion & Circulation Heaters 2

Class 150 (Pressures in psig)

Class 300 (Pressures in psig)

Class 600 (Pressures in psig)

B-16.5 Material Group Number 1.1 1.9 2.1 2.2 2.3 2.4 2.5 1.1 1.9 2.1 2.2 2.3 2.4 2.5 1.1 1.9 2.1 2.2 2.3 2.4 2.5

Austenitic Steels

Alloy Steel

Type 304L 316L

Car- bon Steel

Type 347, 348 275 245 225 200 170 140 125 110

Car- bon Steel

Type 347, 348 720 635 590 555 520 490 480 470 460 455 445 430 385 365 360 325 275 170 125

Car- bon Steel 1,480 1,350 1,315 1,270 1,200 1,095 1,075 1,065 1,010

Type 347, 348

Temp. (°F) -20 to 100 200 300 400 500 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500

1- 1 / 4

Cr-

Type 304

Type 316

Type 321

1- 1 / 4

Cr-

Type 304

Type 316

Type 321

1- 1 / 4

Cr-

Type 304

Type 316

Type 321

Temp (°F) -20 to 100 200 300 400 500 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500

1 / 2

285 260 230 200 170 140 125 110

290 260 230 200 170 140 125 110

275 235 205 180 170 140 125 110

275 240 215 195 170 140 125 110

230 195 175 160 145 140 125 110 95 80

275 235 210 190 170 140 125 110

740 675 655 635 600 550 535 535 505 410 270 170 105 50

750 710 675 660 640 605 590 570 530 510 485 450 380 225 140

720 600 530 470 435 415 410 405 400 395 390 385 375 325 310 260 195 155 —

720 620 560 515 480 450 445 430 425 415 405 395 385 365 360 325 275 205 — 140 105

600 505 455 415 380 360 350 345 335 330 320

720 610 545 495 460 435 430 420 415 415 410 405 385 355 345 300 235 180 — 105

1,500 1,425 1,345 1,315 1,285 1,210 1,175 1,135 1,065 1,015

1,440 1,200 1,055

1440 1240 1120 1030

1,200 1,015

1,440 1,220 1,090

1,440 1,270 1,175 1,110 1,035

910 825 765 720 700 685 670 660 645

940 875 830 815 805 795 790 780 770 750 645 620 515 390 310 220 165 125

990 915 875 855 840 830 825 815 810 775 715 695 605 475 365 280 210 165 125 95 75

955 905 890 865 845 830 810 790 775 725 720 645 550 410 365 275 205 150 115 85

985 960 935 920 910 890 865 775 725 720 645 550 345 245 185 135 105 80 70

95 80 65 50 35 20

825 535 345 205 105

975 900 755 445 275 190 105 70

65 — — —

— — — — — — — — — — — — —

95 50 35

Material Groups

Notes A, B

— — — — — — — — — —

1.1 A-105, A516-70 1.1 A350-LF2 1.9 A182-F11, A182-F12

C D

— — — — — —

85 60 50 35 25 — — — — — — 1. The above table is in accordance with ANSI B16.5, 1988 Edition. For other materials, critical applications or for higher pressure- temperature requirements, refer to ANSI Std. B16.5 or contact your Local Chromalox Sales office. 2. Pressure-temperature ratings for ASME pressure vessels and flanges may vary from the values shown in the above table due to Code requirements, re-inforcement and ligament calculations. Contact your Local Chromalox Sales office for further information and specific recommendations for ASME Coded flanges and heaters. Other Notes — A. Not recommended for prolonged use above 800°F. B. Do not use A105 flanges above 1000°F or A516-70 plate over 850°F. C. Do not use A350-LF2 flanges above 650°F. D. Not recommended for prolonged use above 1100°F. 75 60 40 80 60 50 40 95 70 50 40 35 90 70 50 2.1 A182-F304, F304H and A240-304 2.2 A182-F316, F316H and A240-316 2.3 A182-F304L, F316L and A240-304L 2.4 A182-F321, F321H and A240-321, 321H 2.5 A182-F347, F347H and A240-347, 347H — — E, F G H —

E. Do not use A182-F304L flanges or A240-304L plate above 800°F. F. Do not use A182-F316L flanges or A240-316L plate above 850°F. G. Do not use A182-F321 flanges or A240-321 over 1000°F. H. Do not use A182-F347 flanges or A240-347 plate above 1000°F.

Pipe Specifications — Standard (Schedule 40) Steel & Stainless Pipe

Nominal Pipe Size

Pipe Schedule

Outside Dia. (In.)

Wall Thickness (In.)

Inside Dia. (In.)

Inside Area (In 2 )

Weight (Lbs/Ft.)

Volume (Gal/Ft.)

Wt. Water (Lbs/Ft.)

Thds/In. (NPT)

1/8 1/4 3/8 1/2 3/4 1

Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Sch 40 (Std) Standard Standard

0.405 0.540 0.675 0.840 1.050 1.315 1.660 1.900 2.375 2.875 3.500 4.000 4.500 5.563 6.625 8.625

0.068 0.088 0.091 0.109 0.113 0.133 0.140 0.145 0.154 0.203 0.216 0.226 0.237 0.258 0.280 0.322 0.365 0.375 0.375

0.269 0.364 0.493 0.622 0.824 1.049 1.380 1.610 2.067 2.469 3.068 3.548 4.026 5.047 6.065 7.981

0.0568 0.1041 0.191 0.304 0.533 0.864 1.496 2.036 3.360 4.079 7.039 9.89

0.245 0.425 0.568 0.851 1.131 1.679 2.273 2.718 3.653 5.793 7.578 9.11

0.0030 0.0054 0.0099 0.0157 0.0277 0.0449 0.0779 0.106 0.174 0.249 0.384 0.514 0.661 1.04

0.0246 0.0451 0.0827 0.1316 0.2301 0.374 0.648 0.882 1.455 2.076

27 18 18 14 14 11-1/2 11-1/2 11-1/2 11-1/2

1-1/4 1/1-2 2 2-1/2 3 3-1/2

8 8 8 8 8 8 8 8 8 8

3.20 4.28 5.51 8.66

4 5 6 8

12.73 20.01 28.89 50.00 78.90 113.10 137.90

10.79 14.62 18.97 28.55 40.48 49.56 54.57

1.50 2.66 4.19 5.96 7.19

12.51 21.69 34.10 49.00 59.70

10 12 14

10.75 12.75 14.00

10.02 12.00 13.25

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