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OWNER : PT. PERTA DAYA GAS

CONTRACTOR : PT. WIJAYA KARYA (PERSERO) TBK.

PROJECT NAME : TERMINAL PENERIMAAN DAN REGASIFIKASI LNG BALI

LOCATION : BALI

CONTRACT NO. :

0 10 Nov’14 Issued For

Tender CDR FD FD

REV. DATE STATUS

PREP’D CHECKED APPROVED CHECKED APPROVED APPROVED

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REVISION SHEET Rev.

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TABLE OF CONTENTS

1. General...4

1.1 Intent...4

1.2 Scope...4

1.3 Codes and Standard...4

1.4 Units...5

1.5 Restrictions...5

2. Extent of Insulation...6

2.1 General...6

2.2 Hot Insulation...7

2.3 Personel Protection Insulation...7

2.4 Anti-Sweat Insulation...7

2.5 Cold Insulation...7

2.6 Dual Temperature Insulation...8

2.7 Limitations...8

3. Material...10

3.1 General...10

3.2 Hot and Personnel Protection Insulation Materials...10

3.3 Cold Insulation Materials...11

3.4 Anti-Sweat Insulation Materials...12

3.5 Dual Temperature Insulation Materials...12

3.6 Jacketing Materials...12

3.7 Fastening Materials...14

3.8 Other Materials...15

4. Thickness of Insulation...16

Table 1 Insulation Thickness for Hot Insulation Table 2 Insulation Thickness for Personnel Protection

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1. General 1.1 Intent

This specification covers the specific requirements for design and materials of thermal insulation for TERMINAL PENERIMAAN DAN REGASIFIKASI LNG BALI.

1.2 Scope

This specification shall be applied to the thermal insulation for equipment and piping shown on the P&ID and utility flow diagram.

1.3 Codes and Standard

This specification refer to the following codes and standards. (1) American Society for Testing and Materials (ASTM)

(a) ASTM C168 : Standard Terminology Related to Thermal Insulating Materials.

(b) ASTM C547 : Standard Specification for Mineral Fiber Pipe insulation.

(c) ASTM C552 : Standard Specification for Cellular Glass Thermal Insulation.

(d) ASTM C553 : Standard Specification for Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications. (e) ASTM C591 : Standard Specification for Unfaced Preformed

Rigid Cellular Polyisocyanurate Thermal Insulation.

(f) ASTM C592 : Standard Specification for Mineral Fiber Blanket Insulation and Blanket-type Pipe Insulation.

(g) ASTM C612 : Standard Specification for Mineral Fiber Block and Board Thermal Insulation.

(h) ASTM C795 : Standard Specification for Thermal Insulation for Use in Contact with Austenitic Stainless Steel.

(i) ASTM A90 : Standard Test Method for Weight of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings.

(j) ASTM A167 : Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip.

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(k) ASTM A240 : Standard Specification for Heat-Resisting Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels.

(l) ASTM A428M : Standard Test Method for Weight of Coating on Alminum-Coated Iron or Steel Articles.

(m)ASTM A525 : Standard Specification for General Requirements for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process.

(n) ASTM A653 : Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Zinc-Coated (Galvannealed) by the Hot-Dip Process.

(o) ASTM B209M : Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.

(p) ASTM E96 : Standard Test Methods for Water Vapor Transmission of Materials.

(2) Japanese Industry Standard (JIS)

(a) JIS A 9501 : Standard Practice for Thermal Insulation Works.

1.4 Units

Unless otherwise specified, MKS units shall be applied as the measurement system for the drawings and documents to be submitted. Nominal sizes of piping components shall be in accordance with inch system (NPS).

1.5 Restrictions

1.5.1 Galvanized or zinc coated materials shall not be in contact with metal surfaces that have temperature above 370 °C. It shall not be used when, in case of fire, it could drip on stainless steel.

1.5.2 The minimum allowable value of sodium plus silicate shall be in accordance with ASTM C795 for acceptability of insulation material. 1.5.3 Insulating materials to be used on the equipment/piping of austenitic stainless steel shall contain less than 600 ppm leachable chlorides and more than 20 ppm sodium silicate for each ppm of leachable chlorides.

1.5.4 Insulation containing sodium plus silicate shall not be used for insulating austenitic stainless steels containing molybdenum (such as type 316) operating at 815 °C or greater.

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1.5.5 Insulation materials containing asbestos shall not be used.

1.5.6 No insulation material shall be applied between pipe and tracer except for spacers to prevent local overheating of the pipe.

1.5.7 Contact between dissimilar materials which might cause galvanic corrosion shall be avoided.

1.5.8 No flammable materials shall be attached to the insulation.

2. Extent of Insulation 2.1 General

2.1.1 Classification of thermal insulation and symbols to be indicated on the Engineering Drawing, P&ID and Piping Line Schedule are as follows:

Category Symbol Classification

Hot Service H Normal Heat conservation insulation Insulation ST Steam tracing insulation

TW Hot water tracing insulation TO Hot medium tracing insulation JW Hot water jacketing insulation

SJ Steam Jacketing insulation ET Electric tracing insulation Cold Service C Normal cold insulation

Insulation JC Cold medium Jacketing insulation Other Service A Anti-sweat insulation

Insulation P Personnel protection insulation M Dual Temperature Services

Note : Other symbols shall be specified in specific job requirement, if required.

2.1.2 Thermal conductivity of thermal insulation materials shall be in accordance with applicable standard as specified in the table of respective insulation material applications.

2.1.3 P&ID designate the requirements for insulation based on the criteria specified in the following paragraph. In addition, the extent and thickness of insulation is detailed on the following documents and drawings.

(1) Line Schedule

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(3) Equipment Engineering Drawings (4) Vendor Drawings

2.2 Hot Insulation

Hot insulation shall generally be applied to equipment and piping operating at 80 °C and above, except for the case where heat loss is desired. Where heat loss is to be restricted, however, full heat conservation insulation shall be applied, even when the operating temperature is below 80 °C.

2.3 Personnel Protection Insulation

2.3.1 Personnel Protection insulation (P) shall be applied to uninsulated equipment and piping operating at 65 °C and above, within the area shown below, where operators, while working, might inadvertently come in to contact with them.

(1) Within 2000 mm height from ground or floor level.

(2) Within 600 mm distance beyond the edge of platform or walkway.

2.3.2 Shield or guard may be provided in lieu of insulation for personnel protection, where a heat dissipation is desirable.

2.4 Anti-Sweat Insulation

Anti-Sweat insulation (A) shall be applied to equipment and piping operating at above 0 °C but below the ambient temperature, if surface condensation of moisture would provide an adverse effect as shown below.

(1) Electrical hazard (2) Damage to equipment

(3) Surface condensation providing discomfort to working personnel

2.5 Cold Insulation

2.5.1 Cold insulation (C) shall be applied to equipment and piping operating at temperature below 0 °C, where reduction of heat gain and prevention of surface condensation is desired.

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2.5.2 For such attachments and protrusions as shown below, fixed without inter-lying insulation to piping or equipment (or to lugs) to be cold insulated, the cold insulation shall extend over the attachments or protrusions by four (4) times the insulation thickness and there shall be minimum of 300 mm of bare metal after termination ofinsulation.

(1) Skirt or leg of tower and tank (2) Pipe Support

(3) Branch of vent and drain piping

2.6 Dual Temperature Insulation

Dual Temperature insulation shall be provided for piping and equipment which operate normally at cold temperature below 0 °C, but which are subject to high temperature above 80 °C during regeneration, for instance.

2.7 Limitations

The following piping components & equipment shall not be insulated unless otherwise specified.

2.7.1 Hot Insulation

(1) Visible parts such as Name plate, code inspection plates, stampings, sight glass and level gauge.

(2) The following parts of the rotating machinery, which need a heat dissipation and cooling, unless otherwise specified.

(a) Stuffing box (b) Packing ground

(c) Piping and jacket for cooling water (d) Packing Sealed Piping

(e) Bearing (f) Oil Cooler

(g) Gear shift case, etc.

(3) Fans, compressors, blowers or other rotating or reciprocating equipment or machinery, unless otherwise specified.

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(4) Down stream piping of block valves without tracing insulation. (5) Safety valves along with its outlet piping and down stream

piping of such valves as steam blow off valve, vent and drain valve.

(6) Steam traps and the lines down stream of them which require no recovery of heat of the drain and no prevention of freezing-up, unless specified in the drawing.

(7) Flanges in Hydrogen services.

(8) Parts having moving element, such as expansion and swivel joint, and sliding valves.

(9) Support legs and inside of skirts.

(10) For equipment and piping with inside lining of refractory or insulating material,except for the case where the metal temperature must be controlled.

2.7.2 Personnel Protection Insulation

(1) Visible parts such as Name plate, code inspection plates, stampings, sight glass and level gauge.

(2) Shield or guard.

(3) Safety valves along with its outlet piping and down stream piping of such valves as steam blow off valve, vent and drain valve.

(4) Support-legs and inside of skirts.

(5) For equipment and piping with inside lining of refractory or insulating material except for the case where the metal temperature must be controlled.

2.7.3 Cold and Anti-Sweat Insulation

(1) Visible parts such as Name plate, code inspection plates, stampings, sight glass and level gauge.

(2) The parts dislikes cold exposing such as gland of valves.

(3) Nozzle end for maintenance such as blind flange equipped with the drain valves.

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(4) Safety valves along with its outlet piping and down stream piping of such valves as vent and drain valve.

(5) Fans, compressors, blowers or other rotating or reciprocating equipment or machinery, unless otherwise specified.

3. Material 3.1 General

Material shall generally be in accordance with specified standard or applicable standard in consideration of the following.

- The materials shall be endurable to the service temperature. - The materials shall not deform as a result of absorbing moisture. - The materials shall not be corrosive against equipment and piping

surface.

- The materials shall be easy to work with.

3.2 Hot and Personnel Protection Insulation Materials

Specification and standard application of insulation material for hot and personnel protection services shall be as follows:

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Material¹ Reference Code Application

(a) Calcium Silicate ASTM C533 Type I or Type II For flat and curved block, pipe (up to 650 °C)

(b) Mineral Wool³ ASTM C547 Class 2 and Class 3

For Equipment, Pipe (Maximum 650 °C) (c) Mineral Wool³(Metal-Mesh

Blanket) ASTM C592 Class II²

(d) Mineral Wool³(Board) ASTM C612 Type IV and Type V

(e) Mineral Wool³

(Blanket-Loose) Astm C553 Type VII tower and vessels, flangesFor Expansion joints of and valves, (maximum 650

°C)

1 The insulation material shall meet the requirements of ASTM C795, when applied on austenitic stainless steel surfaces.

2 Galvanized wire mesh shall be used up to 370 °C operating temperature, and stainless steel wire mesh shall be used above 370 °C operating temperature and on austenitic stainless steel surfaces. 3 Mineral wool shall be preferably glass wool instead of rock wool.

Glass

wool can be applied up to 350°C.

3.3 Cold Insulation Materials

Specification and standard application of cold insulation material shall be as follows :

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Material¹ Reference Code Application (a) Rigid Preformed

Cellular urethane ASTM C591 Type 2² For equipment and piping-180 °C to 80 °C (b) Mineral Wool

(Blanket-Loose) ASTM C553 Type I,II,and III

For construction joints of towers, vessels, and piping, For irregular surfaces -180 °C to 230 °C

1 When cold insulation material is furnished with pre-laminated vapor barrier such as aluminized polyester film or equivalent, vapor barrier coating and reinforcing material as specified in Par. 3.8.2 are not required.

2 External metal surfaces of equipment and piping shall be coated with

tar-epoxy or epoxy resin prior to application of insulation, when the Rigid

Preformed Cellular Urethane insulation is applied for service with operating temperature 0 °C and above.

3.4 Anti-Sweat Insulation Materials

Specification and standard application of Anti-Sweat insulation material shall be as per cold insulation material specified in Par. 3.3

3.5 Dual Temperature Insulation Materials

3.5.1 Insulation for dual temperature shall consist of multiple layers. 3.5.2 The inner layer shall be as per hot insulation material to keep

the surface temperature below the available maximum temperature of the outer layer insulation material.

3.5.3 The outer layers shall be as per cold insulation material.

3.6 Jacketing Material

Specification and standard application of insulation jacketing material shall be as follows:

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Material1 Reference Codeor Brand Name

Thickness

(mm) Application

Galvanized steel sheet ASTM A653 0.3

For all piping For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of less than 760 mm

0.4

For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of 760 mm and larger

Stainless steel sheet

Type 304 or 316 2 ASTM A167And ASTM A240

0.3

For all piping For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of less than 760 mm

0.4

For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of 760 mm and larger

AIMg 99.5(s) alloy

1060 ASTM B209M 0.3

For all piping For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of less than 760 mm

0.4

For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of 760 mm and larger

Aluminium Steel ASTM A428M 0.3

For all piping For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of less than 760 mm

0.4

For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of 760 mm and larger

Aluminium Zinc Steel ASTM A90and ASTM A525

0.3

For all piping For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of less than 760 mm

0.4

For towers, vessels, heat exchangers, flanges, valves and piping with outside diameter of 760 mm and larger Weatherproofing Mastic 90-07 H.I. Mastic or equivalent

- For bent pipe, heads ofequipment, pumps, etc.

1 Removable covers for flanges, valves, etc. shall be made of 1.0 mm thickness sheets, irrespective of the material.

2 Stainless steel jacketing shall be used for covering insulation to austenitic

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3.7 Fastening Materials

3.7.1 Specification and standard application of fastening for insulation materials shall be as follows:

Material Dimension

(mm) Application (a) Galvanized

steel wires S.W.G. #20 For piping NPS 12 and smaller For hot insulationand 1-layer cold insulation material S.W.G. #18 For piping NPS 14 to NPS 18

(b) Galvanized

steel bands 0.4x13 For piping NPS 20 and over, andcylindrical equipment with outside diameter of 450 mm up to 900 mm

0.5x19 For cylindrical equipment with outside diameter above 900 mm (c) Stainless steel wire Type 304 (Soft/Fully Annealed)1

S.W.G. #20 For piping NPS 12 and smaller For cold insulation material For fastening of the first layer when cold insulation material heaps up in two or more layers. S.W.G. #18 For piping NPS 14 to NPS 18 (d) Stainless steel bands Type 304 (Soft/Fully Annealed)

0.4 x 13 For piping NPS 20 and over, and cylindrical equipment with outside

diameter of 450 mm up to 900 mm 0.5x19 For cylindrical equipment with

outside

diameter above 900 mm

1 Stainless steel wires and bands shall be used for fastening insulation to austenitic stainless piping and equipment.

3.7.2 Specification and standard application of fastening for jacketing materials shall be as follows:

Material Dimension (mm)

Application Galvanized

steel bands 0.4 x 13 For piping NPS 30 and over, and cylindricalequipment with outside diameter up to 900 mm 0.5 x 19 For cylindrical equipment with outside diameter

above 900 mm Stainless

steel bands Type 3041

0.4x 13 For piping NPS 30 and over, and cylindrical equipment with outside diameter up to 900 mm 0.5 x 19 For cylindrical equipment with outside diameter

above 900 mm

1 Stainless steel bands shall be used for fastening insulation to austenitic stainless piping and equipment.

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3.8 Other Materials

3.8.1 Specification and standard application of auxiliary materials for hot insulation shall be as follows:

Use Material Application

(a) Joint filling

material Water-kneaded powder of thesame quality as the heat insulating material

For filling voids of heat Insulating material (b) Flashing

compound 30 - 45 Foam seal sealant orequivalent finish penetrated by lugs,For openings on insulation etc.

(c) Finishing

cement ASTM C449 or equivalent

For affording a smooth surface as a final finish for heated

surfaces (d) Insulating

cement ASTM C195 or equivalent

For affording resistance to heat transmission on surfaces

(e) Reinforcing material

Galvanized hexagonal wire netting, 16 mm mesh x 0.5 mm wire dia. (for bent pipe) 16 mm mesh x 0.63 mm wire dia. (for equipment)

For reinforcement of mastic, etc.

Glass cloth (10x10 mesh) (f) Auxiliary

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3.8.2 Specification and application of auxiliary materials for cold insulation should be as follows:

Use Material Application

(a) Vapor barrier coating

60-25 C.I. mastic or a non breathing (vapor barrier) type mastic

composing of elastomeric polymer based resin (non-flammable & having water vapor transmission rate of 0.02 perms for 0.75 mm dry film thickness ASTM E96)

For vapor barrier of cold insulation

Asphalt roofing or asphalt felt For vapor barrier of anti- swear insulation (b) Joint sealer and

flashing compound

30 - 45 Foam sealant or oil modified elastomer with extended fillers and aluminum pigment

For joints sealer of cold insulation, for openings on insulation finish

penetrated by lugs, etc. (c) Sealing

materials

Caulking For jacketing

(d) Reinforcing materials

Glass cloth (10x10 mesh) For reinforcement of mastic

(e) Anti-abrasive

compound or equivalentHydrocal B-11 Anti-abrasion coating insulationFor cellular glass (f) Auxiliary

insulation materials

Glass tape with aluminum foil For instrument piping in sizes below NPS 1/2

4 Thickness of Insulation

The thickness of Hot insulation, Personnel Protection and Cold & Anti-Sweat insulation shall be as given in Table 1, Table 2, and Table 3 respectively, and shall be 25 mm as a minimum excluding the thickness of jacketing materials, weatherproof mastic, etc. Thicker thickness of insulation shall be applied from the product range when the standard thickness of product for insulation materials does not conform to the thickness specified in the Table. Insulation thickness of hot insulation and personnel protection shown in Table 1 and 2 is based on experienced data in Indonesia for Mineral Wool and Calcium Silicate. Each Table should be developed as per job specific requirement by EPC CONTRACTOR.

(1) The calculation of insulation thickness shall be based on normal operating inside fluid temperature.

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(2) The thickness of insulation on the nozzles and other protrusions (including parts of structure) around equipment and piping shall generally be equal to the thickness of adjoining pipe insulation.

(3) For towers, vessels, heat exchangers and rotating machinery, the insulation thickness specified as "PLANE" in the Table shall be applied except that the thickness of pipe insulation shall be applied for the equipment with outside diameter up to 600mm which can be regarded as pipes instead of "PLANE”.

(4) For towers in which inside operating temperature varies with height, the thickness of Hot insulation may vary depending on the temperature.

(5) For instrument piping of which outside diameter is NPS1/2 (15mm), the insulation thickness shall be 25 mm, and shall be equal to the thickness of adjoining pipe insulation for instrument piping in larger size. For instrument piping below NPS1/2 (15mm), as a rule, glass tapes with aluminum foil shall be applied by overlapping a half width of the tapes. For displacement type level gages or similar instrument devices, the insulation thickness shall generally be equal to the thickness of adjoining equipment nozzle insulation.

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Table 1 (1) insulation Thickness for Hot Service (Mineral Wool) Unit : mm SIZE TEMP. 1/2 3/4 1 1 ½ 2 2 ½ 3 4 6 8 10 12 14 16 18 20 22 24 PLANE 100 25 25 25 25 25 25 25 25 30 30 30 30 30 40 40 40 40 40 40 150 25 25 25 25 25 30 30 30 40 40 40 40 40 40 40 50 50 50 50 200 25 25 25 30 30 40 40 40 40 50 50 50 50 50 50 50 50 50 65 250 25 30 30 40 40 40 40 50 50 50 50 65 65 65 65 65 65 65 75 300 30 30 40 40 40 50 50 50 65 65 65 65 65 65 75 75 75 75 90 350 30 40 40 50 50 50 50 65 65 65 75 75 75 75 75 75 75 75 90 400 40 40 50 50 50 65 65 65 75 75 75 75 75 90 90 90 90 90 100 450 40 50 50 50 65 65 65 75 75 90 90 90 90 90 100 100 100 100 115 500 50 50 50 65 65 75 75 75 90 90 100 100 90 100 100 100 100 115 125 550 50 50 65 65 75 75 75 90 100 100 100 100 100 115 115 115 115 115 140 600 50 65 65 75 75 75 90 90 100 100 115 115 100 125 125 125 125 125 150 650 65 65 65 75 75 90 90 100 100 115 115 100 125 125 125 140 140 140 150

Notes : 1. Thermal conductivity and density : As per ASTM C592 CLASS II 2. Bulk density : 160kg/m3Max. - 100kg/m3Min. For pipe work

192kg/m3Max. - 125kg/m3Min. For equipment Table 1 (2) Insulation Thickness for Hot Service (Calcium Silicate)

Unit : mm SIZE TEMP. 1/2 3/4 1 1 ½ 2 2 ½ 3 4 6 8 10 12 14 16 18 20 22 24 PLANE 100 25 25 25 25 25 25 25 25 30 30 30 30 30 40 40 40 40 40 40 150 25 25 25 25 25 30 30 30 40 40 40 40 40 40 50 50 50 50 50 200 25 25 25 30 30 40 40 40 40 50 50 50 50 50 50 50 50 50 65 250 30 30 30 30 40 40 40 50 50 50 50 50 65 65 65 65 65 65 75 300 30 30 30 40 40 50 50 50 50 65 65 65 65 65 65 65 65 75 75 350 30 30 40 40 50 50 50 50 65 65 65 75 75 75 75 75 75 75 90 400 40 40 40 50 50 50 50 65 65 75 75 75 75 75 75 75 90 90 100 450 40 40 50 50 50 65 65 65 75 75 75 75 90 90 90 90 90 90 100 500 40 40 50 50 65 65 65 75 75 75 90 90 90 90 90 100 100 100 115 550 50 50 50 65 65 65 65 75 75 90 90 90 100 100 100 100 100 100 125 600 50 50 50 65 65 75 75 75 90 90 100 100 100 100 100 100 115 115 125 650 50 50 65 65 65 75 75 75 90 100 100 100 100 115 115 115 115 115 140

Notes: 1. The selected material shall be better than ASTM C533 Type I in thermal conductivity and density

2. [Thermal conductivity] = 0.035 + (0.11 x 10-3x T) T : Mean temp.(°C) 3. Bulk density : 130kg/m3

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Table 2 (1) Insulation Thickness for Personnel Protection (Mineral Wool) Unit : mm SIZE TEMP. 1/2 3/4 1 1 ½ 2 2½ 3 4 6 8 10 12 14 16 18 20 22 24 PLANE 100 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 150 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 . 25 200 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 250 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 300 25 25 25 25 30 30 30 30 30 30 40 40 40 40 40 40 40 40 40 350 30 30 30 40 40 40 40 40 40 40 40 50 50 50 50 50 50 50 50 400 40 40 40 40 40 50 50 50 50 50 50 65 65 65 65 65 65 65 65 450 40 40 50 50 50 50 65 65 65 65 65 65 65 65 65 65 65 75 75 500 50 50 50 65 65 65 65 65 75 75 75 75 75 90 90 90 90 90 90 550 65 65 65 65 65 75 75 75 90 90 90 90 90 90 100 100 100 100 115 600 65 65 65 75 90 90 90 90 100 100 115 115 115 115 115 115 115 115 140 650 75 75 75 90 90 90 100 100 115 115 115 125 125 125 125 140 140 140 165 Notes : 1. Thermal conductivity and density : As per ASTM C592 CLASS II

2. Bulk density : 160kg/m3Max. - 100kg/m3Min. For pipe work 192kg/m3Max. - 125kg/m3Min. For equipment

Table 2 (2) Insulation Thickness for Personnel Protection (Calcium Silicate) Unit : mm SIZE TEMP. 1/2 3/4 1 1 ½ 2 2 ½ 3 4 6 8 10 12 14 16 18 20 22 24 PLANE 100 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 150 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 200 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 250 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 300 25 25 25 25 25 25 30 30 30 30 30 30 30 30 30 30 30 30 40 350 25 25 30 30 30 40 40 40 40 40 40 40 40 40 40 40 40 40 40 400 30 30 40 40 40 40 40 40 50 50 50 50 50 50 50 50 50 50 50 450 40 40 40 40 40 50 50 50 50 50 65 65 65 65 65 65 65 65 65 500 40 40 50 50 50 50 50 65 65 65 65 65 65 65 65 65 65 65 75 550 50 50 50 50 65 65 65 65 65 65 75 75 75 75 75 75 75 75 90 600 50 50 65 65 65 65 65 65 75 75 75 75 75 90 90 90 90 90 100 650 50 65 65 65 65 75 75 75 90 90 90 90 90 90 90 100 100 100 115 Notes: 1. The selected material shall be better than ASTM C533 Type I in thermal

conductivity and density.

2. [Thermal conductivity] = 0.035 +(0.11 x10"3xT) T : Mean temp. (°C) 3. Bulk density : 130kg/m3

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Table 3 Insulation Thickness for Cold and Anti-Sweat Insulation Unit : mm SIZE TEMP . ½ ¾ 1 1 ½ 2 2 ½ 3 4 6 8 10 12 14 16 18 20 24 26 30 36 42 48 PLANE 10 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 5 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 30 0 25 25 25 25 25 25 25 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 35 -5 25 25 25 30 30 30 30 30 35 35 35 35 35 35 35 35 35 35 35 35 35 35 40 -10 25 30 30 30 30 35 35 35 35 40 40 40 40 40 40 40 40 40 40 40 40 40 45 -15 30 30 30 35 35 35 40 40 40 40 45 45 45 45 45 45 45 45 45 45 45 45 50 -20 30 35 35 35 40 40 40 40 45 45 45 50 50 50 50 50 50 50 50 50 50 50 55 -25 35 35 35 40 40 45 45 45 50 50 50 50 55 55 55 55 55 55 55 55 55 55 60 -30 35 40 40 40 45 45 45 50 50 55 55 55 55 60 60 60 60 60 60 60 60 60 65 -35 40 40 40 45 45 50 50 55 55 60 60 60 60 60 65 65 65 65 65 65 65 65 70 -40 40 40 45 50 50 50 55 55 60 60 65 65 65 65 70 70 70 70 70 70 70 70 75 -45 45 45 45 50 55 55 55 60 65 65 70 70 70 70 70 75 75 75 75 75 75 75 80 -50 45 45 50 55 55 60 60 65 65 70 70 75 75 75 75 75 80 80 80 80 80 85 90 -55 45 50 50 55 60 60 65 65 70 75 75 80 80 80 80 80 85 85 85 85 85 90 95 -60 50 50 55 60 60 65 65 70 75 80 80 80 85 85 85 85 90 90 90 90 90 95 100 -65 50 55 55 60 65 65 70 75 80 80 85 85 85 90 90 90 95 95 95 95 95 100 105 -70 55 55 60 65 65 70 70 75 80 85 90 90 90 95 95 95 95 100 100 100 100 105 110 -75 55 60 60 65 70 70 75 80 85 90 90 95 95 95 100 100 100 100 105 105 105 110 115 -80 55 60 65 70 70 75 80 80 90 90 95 100 100 100 100 105 105 105 110 110 110 110 120 -85 60 60 65 70 75 75 80 85 90 95 100 100 105 105 105 110 110 110 110 115 115 115 125 -90 60 65 65 75 75 80 85 85 95 100 100 105 105 110 110 110 115 115 115 120 120 120 130 -95 65 65 70 75 80 80 85 90 95 100 105 110 110 110 115 115 120 120 120 125 125 125 135 -100 65 70 70 75 80 85 90 95 100 105 110 110 115 115 115 120 120 120 125 125 130 130 140 -105 65 70 75 80 85 85 90 95 105 110 110 115 115 120 120 120 125 125 130 130 130 135 145 -110 70 70 75 80 85 90 95 95 105 110 115 120 120 120 125 125 130 130 130 135 135 135 150 -115 70 75 75 85 85 90 95 100 110 115 115 120 120 125 125 130 130 135 135 140 140 140 155 -120 70 75 80 85 90 95 95 100 110 115 120 125 125 130 130 130 135 135 140 140 145 145 160 -125 70 75 80 85 90 95 100 105 110 120 125 125 130 130 135 135 140 140 140 145 145 150 165 -130 75 75 80 90 95 95 100 105 115 120 125 130 130 135 135 140 140 145 145 150 150 150 170 -135 75 80 85 90 95 100 105 110 115 125 130 130 135 135 140 140 145 145 150 150 155 155 175 -140 75 80 85 90 95 100 105 110 120 125 130 135 135 140 140 145 145 150 150 155 155 160 175 -145 75 80 85 95 95 100 105 110 120 125 130 135 140 140 145 145 150 150 155 155 160 160 180 -150 80 85 85 95 100 105 110 115 125 130 135 140 140 145 145 150 150 155 155 160 160 165 185 -155 80 85 90 95 100 105 110 115 125 130 135 140 145 145 150 150 155 155 160 165 165 165 190 -160 80 85 90 95 100 105 110 115 125 135 140 145 145 150 150 155 155 160 160 165 170 170 190 -165 80 85 90 100 105 110 110 120 130 135 140 145 145 150 155 155 160 160 165 170 170 175 195 -170 85 85 90 100 105 110 115 120 130 135 140 145 150 150 155 160 160 165 165 170 175 175 200 -175 85 90 95 100 105 110 115 120 130 140 145 150 150 155 155 160 165 165 170 170 175 180 200 -180 85 90 95 100 105 110 115 125 135 140 145 150 155 155 160 160 165 170 170 175 180 180 205

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Notes : 1. Table is based on thickness required to prevent condensation on surfaces with following design conditions:

Ambient temperature : 30 °C Relative humidity : 85 percent

Surface heat transfer coefficient: 8 W/(m2.K) [6.88 kcal/(m2.h.°C)] 2. Where other design conditions are used, thickness should be adapted to

References

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