Eil Insulation Table

TABLE-10.1A INSULATION THICKNESS TABLE FOR HEAT CONSERVAION (IH & IT)

Material; Rock Wool (IS 8183 – 1993 Gr.4)for process temperature upto 550ºC (Insulation thickness in mm)

Operating Temperatures, Deg.C Nominal Dia inches, NB

Upto 125 126-150 151-200 201-250 251-300 301-350 351-400 401-450 451-500 501-550 551-600 601-650 651-700 701-760

0.5 25 25 30 40 45 55 60 70 85 95 NA NA NA NA 0.75 25 25 30 40 45 55 65 75 85 100 NA NA NA NA

1 25 25 35 45 50 60 70 80 90 105 NA NA NA NA 1.5 25 25 35 45 50 65 75 85 100 115 NA NA NA NA 2 25 25 35 50 55 65 80 90 105 120 NA NA NA NA 3 25 25 40 50 60 70 85 100 115 130 NA NA NA NA 4 25 25 40 55 60 75 90 105 120 135 NA NA NA NA 6 25 30 40 55 65 80 95 110 130 150 NA NA NA NA 8 25 30 45 60 70 85 100 120 135 155 NA NA NA NA

10 25 30 45 60 70 85 105 120 140 165 NA NA NA NA 12 25 30 45 60 70 90 105 125 145 170 NA NA NA NA 14 25 30 45 60 70 90 110 130 150 170 NA NA NA NA 16 25 30 45 65 75 90 110 130 150 175 NA NA NA NA 18 25 30 45 65 75 90 110 135 155 180 NA NA NA NA

20 & ABOVE 25 30 45 65 75 95 115 135 155 180 NA NA NA NA

TABLE-10.1B INSULATION THICKNESS TABLE FOR HEAT CONSERVAION (IH & IT)

Material Inner Layer : Calcium Silicate (IS 9428-1993) Outer Layer: Rock Wool (IS 8183-1993 Gr.4) Thickness are shown as Inner-layer/Outer layer. For process temperature from 551-760ºC (Insulation thickness in mm)


Upto 125

126-150 151-200 201-250 251-300 301-350 351-400 401-450 451-500 501-550 551-600 601-650 651-700 701-760

0.5 - - - - - - - - - - 50/50 50/65 50/75 50/90 0.75 - - - - - - - - - - 50/55 50/70 50/80 50/95

1 - - - - - - - - - - 50/60 50/75 50/85 50/105 1.5 - - - - - - - - - - 50/70 50/85 50/100 50/115 2 - - - - - - - - - - 50/75 50/90 50/105 50/125 3 - - - - - - - - - - 50/90 50/105 50/120 55/140 4 - - - - - - - - - - 50/95 50/110 50/130 60/140 6 - - - - - - - - - - 50/105 50/125 50/145 70/150 8 - - - - - - - - - - 50/115 50/135 55/150 75/155

10 - - - - - - - - - - 50/125 50/145 60/155 85/160 12 - - - - - - - - - - 50/130 50/150 65/160 90/160 14 - - - - - - - - - - 50/130 50/150 65/160 90/165 16 - - - - - - - - - - 50/135 50/155 70/165 95/165 18 - - - - - - - - - - 50/140 50/160 70/165 100/165

20 & ABOVE

- - - - - - - - - - 50/140 50/165 75/170 100/170

TABLE-10.2A INSULATION THICKNESS TABLE FOR PERSONNEL PROTECTION (IS)

Material Cellular Glass (ASTM C 552-91) for process temperatures upto 350ºC. Rock Wool (IS 8183 – 1993 Gr 4) for Process temperatures upto 550ºC. Calcium Silicate (IS 9428 – 1993) for Process temperatures from 551 – 760ºC.


Upto 125

126-150 151-200 201-250 251-300 301-350 351-400 401-450 451-500 501-550 551-600 601-650 651-700 701-760

0.5 25 25 25 25 30 35 40 50 55 65 80 90 105 115 0.75 25 25 25 25 30 35 45 50 60 70 85 100 110 125

1 25 25 25 25 30 40 45 55 65 75 90 105 115 130 1.5 25 25 25 25 35 45 50 60 70 80 100 115 130 145 2 25 25 25 30 35 45 55 65 75 85 110 120 135 155 3 25 25 25 30 40 50 60 70 85 95 120 135 150 170 4 25 25 25 35 45 55 65 75 90 105 130 145 165 185 6 25 25 25 35 45 60 70 85 100 115 145 165 180 205 8 25 25 25 40 50 60 75 90 105 125 155 175 195 220

10 25 25 30 40 50 65 80 95 110 130 165 185 205 230 12 25 25 30 40 55 70 85 100 115 135 170 190 210 235 14 25 25 30 40 55 70 85 100 120 140 175 195 215 240 16 25 25 30 45 55 70 90 105 125 140 175 200 220 245 18 25 25 30 45 60 75 90 105 125 145 180 205 225 250

20 & ABOVE

25 25 30 45 60 75 90 110 125 145 185 205 230 255

TABLE-10.2B INSULATION THICKNESS TABLE FOR PERSONNEL PROTECTION (IS)

Material Inner Layer : Calcium Silicate (IS 9428-1993) Outer Layer: Rock Wool (IS 8183-1993 Gr.4) Thickness are shown as Inner Layer/Outer Layer. For process temperature from 551-760ºC.


Upto 125

126-150 151-200 201-250 251-300 301-350 351-400 401-450 451-500 501-550 551-600 601-650 651-700 701-760

0.5 - - - - - - - - - - 50/30 50/40 50/50 50/60 0.75 - - - - - - - - - - 50/35 50/45 50/55 50/70

1 - - - - - - - - - - 50/40 50/50 50/60 50/75 1.5 - - - - - - - - - - 50/50 50/60 50/70 50/90 2 - - - - - - - - - - 50/55 50/65 50/80 50/95 3 - - - - - - - - - - 50/65 50/80 50/95 50/110 4 - - - - - - - - - - 50/75 50/90 50/105 55/120 6 - - - - - - - - - - 50/85 50/105 50/120 65/130 8 - - - - - - - - - - 50/95 50/115 50/135 70/135

10 - - - - - - - - - - 50/105 50/125 55/135 75/140 12 - - - - - - - - - - 50/110 50/130 60/140 80/145 14 - - - - - - - - - - 50/110 50/130 60/140 85/145 16 - - - - - - - - - - 50/115 50/135 60/145 90/150 18 - - - - - - - - - - 50/120 50/140 65/145 90/150

20 & ABOVE

- - - - - - - - - - 50/120 50/140 65/150 95/150

TABLE-10.3

INSULATION THICKNESS TABLE FOR HEAT CONSERVAION OF ELECTRICALLY TRACED LINES (IE)

Material Rock Wool (IS 8183-1993 Gr 4) - Inner Layer Polyurethane Foam/Polyisocyanurate -Outer Layer


UPTO 40

41-50 51-60 61-70 71-80 81-90 91-100 101-110 111-120 121-130 131-140 141-150

0.5 25/25 25/25 25/25 25/25 25/25 25/25 30/25 30/25 30/25 30/25 35/25 35/25 0.75 25/25 25/25 25/25 25/25 25/25 25/25 30/25 30/25 35/25 35/25 40/25 40/25

1 25/25 25/25 25/25 25/25 25/25 25/25 35/25 35/25 40/25 40/25 40/25 40/25 1.5 25/25 25/25 25/25 25/25 25/25 30/25 40/25 40/25 45/25 45/25 50/25 50/25 2 25/25 25/25 25/25 25/25 25/25 30/25 45/25 45/25 45/25 45/25 50/25 50/25

2.5 25/25 25/25 25/25 25/25 25/25 35/25 45/25 45/25 50/25 50/25 55/25 55/25 3 25/25 25/25 25/25 25/25 25/25 35/25 50/25 50/25 55/25 55/25 60/25 60/25 4 25/25 25/25 25/25 30/25 25/25 40/25 50/25 50/25 60/25 60/25 60/25 60/25 6 25/25 25/25 25/25 35/25 30/25 45/25 60/25 60/25 65/25 65/25 70/25 70/25 8 25/25 25/25 25/25 35/25 35/25 45/25 60/25 60/25 70/25 70/25 75/25 75/25

10 25/25 25/25 25/25 35/25 35/25 50/25 65/25 65/25 70/25 70/25 75/25 75/25 12 25/25 25/25 25/25 40/25 35/25 50/25 65/25 65/25 75/25 75/25 80/25 80/25 14 25/25 25/25 25/25 40/25 35/25 50/25 70/25 70/25 75/25 75/25 80/25 80/25 16 25/25 25/25 25/25 40/25 35/25 55/25 70/25 70/25 75/25 75/25 85/25 85/25 18 25/25 25/25 25/25 40/25 40/25 55/25 70/25 70/25 80/25 80/25 85/25 85/25

20 & ABOVE

25/25 25/25 25/25 40/25 40/25 55/25 70/25 70/25 80/25 80/25 85/25 85/25

TABLE-10.4A INSULATION THICKNESS TABLE FOR HEAT CONSERVAION DUAL TEMPERATURE (IK)

Material

Cellular Glass (ASTM : C 552 – 91) For process temperature range from (-) 180-350ºC. (Higher of either heat conservation or cold conservation shall be specified)


Upto 125

126-150 151-200 201-250 251-300 301-350 351-400 401-450 451-500 501-550 551-600 601-650 651-700 701-760

0.5 25 25 35 40 45 45 NA NA NA NA NA NA NA NA 0.75 25 25 35 45 45 50 NA NA NA NA NA NA NA NA

1 25 25 35 45 50 50 NA NA NA NA NA NA NA NA 1.5 25 30 40 50 50 55 NA NA NA NA NA NA NA NA 2 25 30 40 50 55 55 NA NA NA NA NA NA NA NA 3 25 30 45 55 60 60 NA NA NA NA NA NA NA NA 4 25 30 45 60 60 65 NA NA NA NA NA NA NA NA 6 25 30 45 60 65 70 NA NA NA NA NA NA NA NA 8 25 35 50 65 65 70 NA NA NA NA NA NA NA NA

10 25 35 50 65 70 75 NA NA NA NA NA NA NA NA 12 25 35 50 65 70 75 NA NA NA NA NA NA NA NA 14 25 35 50 65 70 75 NA NA NA NA NA NA NA NA 16 25 35 50 70 70 75 NA NA NA NA NA NA NA NA 18 25 35 50 70 75 80 NA NA NA NA NA NA NA NA

20 & ABOVE

25 35 50 70 75 80 NA NA NA NA NA NA NA NA

TABLE-10.4B

INSULATION THICKNESS TABLE FOR COLD INSULATION FOR ANTI-SWEAT CONDITION (IK)

For Relative humidity of 85% Material

Cellular Glass (ASTM C 552-91) Operating Temperatures, Deg.C Nominal

Dia inches, NB >5 4 to –7 -8 to –

18 -19 to –32

-33 to -45

-46 to -60

-61 to –75

-76 to -90

-91 to 100

-101 to –120

-121 to -130

-131 to -145

-146 to -155

-156 to -170

0.5 40 55 70 85 100 115 125 140 150 165 170 180 190 200 0.75 45 60 75 90 105 120 135 150 155 170 180 190 200 210

1 45 65 80 95 110 125 140 155 165 180 190 200 210 220 1.5 50 70 85 105 120 140 155 170 180 200 210 220 230 240 2 55 75 90 110 130 145 165 180 190 210 220 235 240 255 3 60 80 100 125 140 165 180 200 210 230 240 255 265 280 4 65 85 110 130 150 175 195 215 225 245 260 270 280 295 6 70 95 120 145 165 190 215 235 245 270 280 295 305 320 8 70 100 125 155 180 205 225 250 260 285 300 315 325 340

10 75 105 130 160 185 215 240 260 275 300 315 330 340 360 12 80 110 135 170 195 220 245 270 285 310 325 345 355 370 14 80 110 140 170 195 225 250 275 290 320 330 350 365 380 16 80 115 145 175 200 230 255 280 300 325 340 360 375 390 18 85 115 145 180 205 235 265 290 305 335 350 370 380 400 20 85 120 145 180 210 240 270 295 310 340 355 375 390 410 24 85 120 150 185 215 250 275 305 320 355 370 390 405 425 26 85 120 155 190 220 250 280 310 325 360 375 395 410 430 28 85 125 155 190 220 255 285 315 330 365 380 405 415 440

30 & ABOVE

85 125 155 190 225 255 290 315 335 370 385 410 425 445

TABLE-10.4C INSULATION THICKNESS TABLE FOR COLD INSULATION

FOR ANTI-SWEAT CONDITION (IC) For Relative humidity of 85%

Material

Polyurethane foam Polyisocyanurate For process temperature range from upto(-) 180ºC – other than LNG.

Operating Temperatures, Deg.C Nominal Dia inches, NB >5 4 to –7 -8 to –

18 -19 to –32

-33 to -45

-46 to -60

-61 to –75

-76 to -90

-91 to 100

-101 to –120

-121 to -130

-131 to -145

-146 to -155

-156 to -170

0.5 25 30 35 45 50 60 70 80 85 95 100 105 110 115 0.75 25 30 40 45 55 65 75 85 90 100 105 115 115 125

1 25 35 40 50 60 70 80 90 95 105 110 120 125 130 1.5 25 35 45 55 65 75 85 100 105 115 125 130 135 145 2 30 40 45 55 70 80 90 105 110 125 130 140 145 150 3 30 40 50 65 80 90 100 115 120 135 145 155 160 165 4 30 45 55 65 80 95 110 120 130 145 155 165 170 180 6 35 50 60 75 90 105 120 135 145 160 170 180 185 195 8 35 50 65 75 95 110 125 140 150 170 180 190 200 210

10 35 55 65 80 100 120 135 150 160 180 190 200 210 220 12 40 55 65 85 105 125 140 155 165 185 195 210 215 225 14 40 55 70 85 105 125 140 160 170 190 200 210 220 230 16 40 55 70 85 110 130 145 160 170 195 205 215 225 235 18 40 55 70 90 115 130 145 165 175 200 210 220 230 240 20 40 60 70 90 115 135 150 165 180 200 210 225 235 245 24 40 60 75 90 115 135 150 170 185 205 220 235 240 255 26 40 60 75 90 120 140 155 175 185 210 220 235 245 260 28 40 60 75 90 120 140 155 175 190 210 225 240 250 260

30 & ABOVE

40 60 75 95 120 140 155 175 190 215 225 240 250 265

TABLE-10.4D

INSULATION THICKNESS TABLE FOR COLD INSULATI FOR ANTI-SWEAT CONDITION (IC) For Relative humidity of 85%

Material Polyurethane foam/Polyisocyanurate – Inner layer Cellular Glass (ASTM C 552-91) – Outer layer Thickness are shown as Inner layer/Outer layer For process temperature range upto (-) 180ºC – for LNG.

Operating Temperatures, Deg.C Nominal Dia inches, NB >5 4 to –7 -8 to –

18 -19 to –32

-33 to -45

-46 to -60

-61 to –75

-76 to -90

-91 to 100

-101 to –120

-121 to -130

-131 to -145

-146 to -155

-156 to -170

0.5 25/50 25/50 25/50 25/50 30/50 30/50 35/50 45/50 50/50 60/50 65/50 70/50 75/50 80/50 0.75 25/50 25/50 25/50 25/50 30/50 35/50 40/50 50/50 55/50 65/50 70/50 75/50 80/50 85/50

1 25/50 25/50 25/50 25/50 35/50 40/50 45/50 55/50 60/50 70/50 75/50 80/50 85/50 95/50 1.5 25/50 25/50 25/50 25/50 35/50 45/50 55/50 65/50 70/50 80/50 85/50 95/50 100/50 105/50 2 25/50 25/50 25/50 25/50 40/50 50/50 60/50 70/50 75/50 90/50 95/50 105/50 110/50 115/50 3 25/50 25/50 25/50 30/50 45/50 60/50 70/50 80/50 90/50 100/50 110/50 120/50 125/50 130/50 4 25/50 25/50 25/50 35/50 50/50 60/50 75/50 90/50 95/50 110/50 120/50 130/50 135/50 145/50 6 25/50 25/50 30/50 45/50 60/50 75/50 90/50 100/50 110/50 125/50 135/50 145/50 155/50 165/50 8 25/50 25/50 35/50 50/50 65/50 80/50 95/50 110/50 120/50 140/50 145/50 160/50 165/50 175/50

10 25/50 25/50 40/50 50/50 70/50 90/50 105/50 120/50 130/50 150/50 155/50 170/50 175/50 185/50 12 25/50 30/50 40/50 55/50 75/50 95/50 110/50 125/50 135/50 155/50 165/50 175/50 185/50 195/50 14 25/50 30/50 40/50 55/50 75/50 95/50 110/50 130/50 140/50 160/50 165/50 180/50 190/50 200/50 16 25/50 30/50 45/50 60/50 80/50 100/50 115/50 130/50 145/50 165/50 175/50 185/50 195/50 205/50 18 25/50 30/50 45/50 60/50 85/50 105/50 120/50 135/50 145/50 165/50 175/50 190/50 200/50 210/50 20 25/50 30/50 45/50 60/50 85/50 105/50 120/50 140/50 150/50 170/50 180/50 195/50 205/50 215/50 24 25/50 35/50 45/50 65/50 90/50 110/50 125/50 145/50 155/50 180/50 190/50 205/50 210/50 225/50 26 25/50 35/50 50/50 65/50 90/50 110/50 125/50 145/50 160/50 180/50 190/50 205/50 215/50 230/50 28 25/50 35/50 50/50 65/50 95/50 115/50 130/50 150/50 160/50 185/50 195/50 210/50 220/50 230/50

30 & ABOVE

25/50 35/50 50/50 65/50 95/50 115/50 130/50 150/50 160/50 185/50 195/50 210/50 220/50 235/50

Documents

Eil Insulation Table