40 42 13 - Process Piping Insulation.pdf

40 42 13 - PROCESS PIPING INSULATION

Herbert, Rowland & Grubic, Inc. 40 42 13 - 1 005153.0436

SECTION 40 42 13 - PROCESS PIPING INSULATION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Process piping insulation.

2. Jacketing.

3. Accessories.

1.2 REFERENCE STANDARDS

A. ASTM International:

1. ASTM A240 - Standard Specification for Chromium and Chromium-Nickel

Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications.

2. ASTM B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.

3. ASTM C195 - Standard Specification for Mineral Fiber Thermal Insulating Cement.

4. ASTM C449 - Standard Specification for Mineral Fiber Hydraulic-Setting Thermal

Insulating and Finishing Cement.

5. ASTM C450 - Standard Practice for Fabrication of Thermal Insulating Fitting

Covers for NPS Piping, and Vessel Lagging.

6. ASTM C533 - Standard Specification for Calcium Silicate Block and Pipe Thermal

Insulation.

7. ASTM C534 - Standard Specification for Preformed Flexible Elastomeric Cellular

Thermal Insulation in Sheet and Tubular Form.

8. ASTM C547 - Standard Specification for Mineral Fiber Pipe Insulation.

9. ASTM C553 - Standard Specification for Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial Applications.

10. ASTM C578 - Standard Specification for Rigid, Cellular Polystyrene Thermal

Insulation.

11. ASTM C585 - Standard Practice for Inner and Outer Diameters of Thermal

Insulation for Nominal Sizes of Pipe and Tubing.

12. ASTM C591 - Standard Specification for Unfaced Preformed Rigid Cellular

Polyisocyanurate Thermal Insulation.

13. ASTM C612 - Standard Specification for Mineral Fiber Block and Board Thermal

Insulation.

14. ASTM C795 - Standard Specification for Thermal Insulation for Use in Contact with

Austenitic Stainless Steel.

15. ASTM C921 - Standard Practice for Determining the Properties of Jacketing

Materials for Thermal Insulation.

16. ASTM C1136 - Standard Specification for Flexible, Low Permeance Vapor

Retarders for Thermal Insulation.

17. ASTM D1785 - Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedule 40, 80, and 120.

18. ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building

Materials.

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19. ASTM E96 - Standard Test Methods for Water Vapor Transmission of Materials.

B. Manufacturers Standardization Society of the Valve and Fittings Industry:

1. MSS SP-69 - Pipe Hangers and Supports - Selection and Application.

1.3 PREINSTALLATION MEETINGS

A. Section 01 31 19 – Project Meetings: Requirements for preinstallation meeting.

B. Convene minimum one week prior to commencing Work of this Section.

1.4 SUBMITTALS

A. Section 01 33 00 - Submittal Procedures: Requirements for submittals.

B. Product Data: Submit product description, thermal characteristics, list of materials, and thickness for each service and location.

C. Samples: Submit two samples of representative size, illustrating each insulation type.

D. Manufacturer's Certificate: Certify that products meet or exceed specified requirements.

E. Manufacturer's Instructions: Submit manufacturer's published literature indicating recommended installation procedures.

F. Qualifications Statements:

1. Submit qualifications for manufacturer and applicator.

2. Submit manufacturer's approval of applicator.

1.5 QUALITY ASSURANCE

A. Comply with ASTM C585 for inner and outer diameters of pipe insulation.

B. Factory-fabricated fitting covers according to ASTM C450.

C. Maintain copy of each standard affecting the Work of this Section on-Site.

1.6 QUALIFICATIONS

A. Manufacturer: Company specializing in manufacturing products specified in this Section with minimum three years' documented experience.

B. Applicator: Company specializing in performing Work of this Section with minimum three years' documented experience.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Section 01 61 00 - Product Requirements: Requirements for transporting, handling, storing, and protecting products.

B. Accept materials on-Site in original factory packaging, labeled with manufacturer's

Herbert, Rowland & Grubic, Inc. 40 42 13 - 3 005153.0436 identification, including product density and thickness.

C. Inspection: Accept insulation on-Site in manufacturer's packaging. Inspect for damage.

D. Store insulation according to manufacturer's instructions.

E. Protect insulation from weather and construction traffic, dirt, water, chemicals, and damage by storing in original wrapping.

1.8 AMBIENT CONDITIONS

A. Section 01 50 00 - Temporary Facilities and Controls: Requirements for ambient condition control facilities for product storage and installation.

B. Install insulation only when ambient temperature and humidity conditions are within ranges as recommended by manufacturer.

C. Maintain recommended temperature and humidity before, during, and after installation for minimum of 24 hours.

1.9 EXISTING CONDITIONS

A. Field Measurements:

1. Verify field measurements prior to fabrication.

2. Indicate field measurements on Shop Drawings.

1.10 WARRANTY

A. Section 01 78 36 - Warranties: Requirements for warranties.

B. Furnish one-year manufacturer's warranty for human-made fiber.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Glass Fiber and Mineral Fiber Insulation:

1. Manufacturers:

a. CertainTeed Corp.

b. Johns Mansville.

c. Or Equal.

B. Closed-Cell Elastomeric Insulation:

1. Manufacturers:

a. Armacell.

b. K-Flex.

c. Or Equal.

2. Substitutions: Section 01 61 00 - Product Requirements.

C. Polyisocyanurate Foam Insulation:

1. Manufacturers:

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a. ITW Insulation Systems.

b. Dyplast Products.

c. Or Equal.

2. Substitutions: Section 01 61 00 - Product Requirements.

D. Extruded Polystyrene Insulation:

1. Manufacturers:

a. Dow Chemical Company.

b. Or Equal.

2. Substitutions: Section 01 61 00 - Product Requirements.

2.2 PIPE INSULATION

A. Type P-1:

1. Description: Molded glass fiber.

2. Comply with ASTM C547. Comply with ASTM C795 for application on austenitic stainless steel.

3. Thermal Conductivity: 0.23 Btu-in./h-ft.-deg. F at 75 degrees F.

4. Operating Temperature Range: Zero to 850 degrees F.

5. Vapor Barrier Jacket:

a. Description: Factory-applied, reinforced foil kraft with self-sealing adhesive joints.

b. Comply with ASTM C1136, Type I.

6. Jacket Temperature Limits: Minus 20 to 150 degrees F.

B. Type P-2:

1. Description: Molded glass fiber.

2. Comply with ASTM C547. Comply with ASTM C795 for application on austenitic stainless steel.

3. Thermal Conductivity: 0.23 Btu-in./h-ft.-deg. F at 75 degrees F.

4. Operating Temperature Range: Zero to 850 degrees F.

C. Type P-3:

1. Description:

a. Semi-rigid, fibrous glass board.

b. Noncombustible.

c. End grain adhered to jacket.

2. Comply with ASTM C612. Comply with ASTM C795 for application on austenitic stainless steel.

3. Thermal Conductivity: 0.27 Btu-in./h-ft.-deg. F at 75 degrees F.

4. Operating Temperature Range: Zero to 650 degrees F.

5. Vapor Barrier Jacket:

a. Description: Factory-applied, reinforced foil kraft with self-sealing adhesive joints.

b. Comply with ASTM C1136, Type I.

6. Jacket Temperature Limits: Minus 20 to 150 degrees F.

D. Type P-4:

1. Description:

a. Semi-rigid, fibrous glass board.

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b. Noncombustible.

2. Comply with ASTM C612. Conform to ASTM C795 for application on austenitic stainless steel.

3. Thermal Conductivity: 0.27 Btu-in./h-ft.-deg. F at 75 degrees F.

4. Operating Temperature Range: Zero to 650 degrees F.

E. Type P-5:

1. Description:

a. Flexible, closed-cell elastomeric.

b. Tubular.

2. Comply with ASTM C534, Type I.

3. Thermal Conductivity: 0.27 Btu-in./h.-ft.-deg. F at 75 degrees F.

4. Operating Temperature Range: Minus 70 to 180 degrees F.

F. Type P-6:

1. Description:

a. Flexible, closed-cell elastomeric.

b. Tubular.

2. Comply with ASTM C534, Type I.

3. Thermal Conductivity: 0.30 Btu-in./h-ft.-deg. F at 75 degrees F.

4. Maximum Service Temperature: 300 degrees F.

5. Operating Temperature Range: Minus 58 to 300 degrees F.

G. Type P-7:

1. Description:

a. Flexible, nonhalogen, closed-cell elastomeric.

b. Tubular.

2. Comply with ASTM C534, Type I.

3. Thermal Conductivity: 0.27 Btu-in./h-ft.-deg. F at 75 degrees F.

4. Maximum Service Temperature: 250 degrees F.

5. Operating Temperature Range: Minus 58 to 250 degrees F.

H. Type P-8:

1. Description:

a. Preformed mineral fiber.

b. Noncombustible.

2. Comply with ASTM C547, Type I or II.

3. Thermal Conductivity: 0.23 Btu-in./h-ft.-deg. F at 75 degrees F.

4. Maximum Service Temperature: 1,200 degrees F.

5. Canvas Jacket:

a. Description: Plain-weave cotton fabric treated with fire-retardant lagging adhesive.

b. UL listed.

c. Weight: 6 oz./sq. yd.

I. Type P-9:

1. Description: Polyisocyanurate foam insulation, formed into shapes for use as pipe insulation.

2. Comply with ASTM C591, Type IV.

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3. Density: 4 pcf.

4. Thermal Conductivity: 180-day aged value of 0.19 Btu-in./h-ft.-deg. F at 75 degrees F.

5. Operating Temperature Range: Minus 297 to 300 degrees F.

6. Vapor Barrier Jacket:

a. Comply with ASTM C1136, Type I.

b. Factory-Applied Film Thickness: 6 mils.

c. Water Vapor Permeance: 0.01 perms.

J. Type P-10:

1. Description: Extruded polystyrene insulation, formed into shapes for use as pipe insulation.

2. Comply with ASTM C578, Type XIII.

3. Thermal Conductivity: 180-day aged value of 0.259 Btu-in./h-ft.-deg. F at 75 degrees F.

4. Operating Temperature Range: Minus 297 to 165 degrees F.

5. Vapor Barrier Jacket:

a. Comply with ASTM C1136, Type I.

b. Factory-Applied Film Thickness: 6 mils.

c. Water Vapor Permeance: 0.01 perms.

K. Type P-11:

1. Description:

a. Hydrous calcium silicate.

b. Rigid molded.

c. Color: White.

d. Asbestos free.

2. Comply with ASTM C533, Type I.

3. Thermal Conductivity: 0.45 Btu-in./h-ft.-deg. F at 200 degrees F.

4. Operating Temperature Range: 140 to 1,200 degrees F.

2.3 PIPE INSULATION JACKETS

A. Vapor-Retarder Jacket:

1. Description: White kraft paper with glass-fiber yarn, bonded to aluminized film.

2. Comply with ASTM C921.

3. Water Vapor Permeance:

a. ASTM E96.

b. 0.02 perms.

B. PVC Plastic Pipe Jacket:

1. Description:

a. One-piece, molded-type fitting covers and sheet material.

b. Color: Off-white.

2. ASTM D1785.

3. Thickness: 30 mils.

4. Connections: Brush-on welding adhesive.

C. Field-Applied Glass-Fiber-Fabric Jacketing System:

1. Insulating cement/mastic.

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2. Description: Hydraulic setting on mineral wool.

3. Comply with ASTM C195.

4. Glass-Fiber Fabric:

a. Cloth:

1) Untreated.

2) Weight: 9 oz./sq. yd.

b. Blanket Density: 1 lb./cu. ft.

c. Weave: 10 by 10.

5. Indoor Vapor-Retarder Finish:

a. Description:

1) Type: Vinyl emulsion, acrylic.

2) Compatible with insulation.

3) Color: White.

b. Cloth:

1) Untreated.

2) Weight: 9 oz./sq. yd.

2.4 PIPE INSULATION ACCESSORIES

A. Vapor-Retarder Lap Adhesive: Compatible with insulation.

B. Covering Adhesive Mastic: Compatible with insulation.

C. Piping 1-1/2-Inch Diameter and Smaller:

1. Description: Galvanized-steel insulation protection shield.

2. Comply with MSS SP-69, Type 40.

3. Length: Based on pipe size and insulation thickness.

D. Piping 2-Inch Diameter and Larger:

1. Description: Wood insulation saddle, hard maple.

2. Inserts Length: Not less than 6 inches.

3. Thickness and Contour: Match adjoining insulation.

E. Closed-Cell Elastomeric Insulation Pipe Hangers:

1. Description: Polyurethane insert with stainless-steel jacket single-piece construction and self-adhesive closure.

2. Thickness: Match pipe insulation.

F. Tie Wire: 0.048-inch stainless steel with twisted ends on maximum 12-inch centers.

G. Mineral Fiber Hydraulic-Setting Thermal Insulating and Finishing Cement: Comply with

ASTM C449.

H. Insulating Cement:

1. Comply with ASTM C195.

2. Hydraulic setting on mineral wool.

I. Adhesives: Compatible with insulation.

Herbert, Rowland & Grubic, Inc. 40 42 13 - 8 005153.0436

PART 3 - EXECUTION

3.1 EXAMINATION

A. Section 01 73 00 - Execution Requirements: Requirements for installation examination.

B. Verify that piping and equipment has been tested before applying insulation materials.

C. Verify that surfaces are clean and dry, with foreign material removed.

3.2 INSTALLATION - PIPING SYSTEMS

A. Piping Exposed to View in Finished Spaces: Locate insulation and cover seams in least visible locations.

B. Fire-Rated Penetrations:

1. Continue insulation through penetrations of building assemblies or portions of assemblies having fire-resistance rating of one hour or less.

2. Provide intumescent firestopping when continuing insulation through assembly.

3. Finish at supports, protrusions, and interruptions.

C. Piping Systems Conveying Fluids below Ambient Temperature:

1. Insulate entire system, including fittings, valves, unions, flanges, strainers, flexible connections, pump bodies, and expansion joints.

2. Jacketing:

a. Furnish factory-applied or field-applied vapor-retarder jackets.

b. Secure factory-applied jackets with pressure-sensitive adhesive with self-sealing longitudinal laps and butt strips.

c. Secure field-applied jackets with outward-clinch expanding staples, and seal stapled penetrations with vapor-retarder mastic.

3. Fittings, Joints, and Valves:

a. Insulate with molded insulation of like material and thickness as adjacent pipe.

b. Finish with glass cloth and vapor-retarder adhesive or PVC fitting covers.

D. Glass-Fiber Board Insulation:

1. Apply insulation close to equipment by grooving, scoring, and beveling insulation.

2. Fasten insulation to equipment with studs, pins, clips, adhesive, wires, or bands.

3. Fill joints, cracks, seams, and depressions with bedding compound to form smooth surface; on cold equipment, use vapor-retarder cement.

4. Cover wire mesh or bands with cement to a thickness to remove surface irregularities.

E. Polyisocyanurate Foam Insulation:

1. Wrap elbows and fitting with vapor-retarder tape.

2. Seal butt joints with vapor-retarder tape.

F. Hot Piping Systems Less than 140 Degrees F:

Herbert, Rowland & Grubic, Inc. 40 42 13 - 9 005153.0436

1. Furnish factory-applied or field-applied standard jackets, securing with outward-clinch expanding staples or pressure-sensitive adhesive system on standard factory-applied jacket and butt strips, or both.

2. Fittings, Joints, and Valves:

a. Insulate with like material and thickness as adjoining pipe.

b. Finish with glass cloth and adhesive or PVC fitting covers.

3. Do not insulate unions and flanges at equipment; bevel and seal ends of insulation at such locations.

G. Hot Piping Systems Greater than 140 Degrees F:

1. Furnish factory-applied or field-applied standard jackets, securing with outward-clinch expanding staples or pressure-sensitive adhesive system on standard factory-applied jacket and butt strips, or both.

2. Fittings, Joints, and Valves:

a. Insulate with like material and thickness as adjoining pipe.

b. Finish with glass cloth and adhesive or PVC fitting covers.

3. Insulate flanges and unions at equipment.

H. Inserts and Shields:

1. Piping 1-1/2-Inch Diameter and Smaller: Install stainless steel shield between pipe hanger and insulation.

2. Piping 2-Inch Diameter and Larger:

a. Install insert between support shield and piping, and under finish jacket.

b. Insert Configuration: Minimum 6 inches long, of thickness and contour matching adjoining insulation; may be factory fabricated.

c. Insert Material: Compression-resistant insulating material suitable for planned temperature range and service.

3. Piping Supported by Roller-Type Pipe Hangers: Install stainless steel shield between roller and inserts.

I. Closed-Cell Elastomeric Insulation:

1. Push insulation onto piping.

2. Miter joints at elbows.

3. Seal seams and butt joints with manufacturer's recommended adhesive.

4. If application requires multiple layers, apply with staggered joints.

5. Insulate fittings and valves with insulation of like material and thickness as adjacent pipe.

J. High-Temperature Pipe Insulation:

1. Install in multiple layers to meet scheduled thickness.

2. Attach each layer with bands, securing first layer with bands before installing next layer.

3. Stagger joints between layers.

4. Cover with stainless-steel jacket with seams located on bottom side of horizontal piping.

K. Piping Exposed in Equipment Rooms or Finished Spaces: Finish with [PVC jacket and fitting covers.

L. Piping Exterior to Building:

Herbert, Rowland & Grubic, Inc. 40 42 13 - 10 005153.0436

1. Provide vapor-retarder jacket.

2. Insulate fittings, joints, and valves with insulation of like material and thickness as adjoining pipe, and finish with glass-mesh-reinforced, vapor-retarder cement.

3. Cover with stainless-steel jacket with seams located at 3- or 9-o'clock position on side of horizontal piping, with overlap facing down to shed water, or on bottom side of horizontal piping.

M. Buried Piping:

1. Insulate only where insulation manufacturer recommends insulation product may be installed in trench or tunnel, or direct buried.

2. Install factory-fabricated assembly with inner all-purpose service jacket, with self-sealing lap, and asphalt-impregnated open-mesh glass fabric with 1-mil-thick aluminum foil sandwiched between three layers of bituminous compound.

3. Face outer surface with polyester film.

N. Heat-Traced Piping Interior to Building:

1. Insulate fittings, joints, and valves with insulation of like material, thickness, and finish as adjoining pipe.

2. Size large enough to enclose pipe and heat tracing.

O. Heat-Traced Piping Exterior to Building:

1. Insulate fittings, joints, and valves with insulation of like material, thickness, and finish as adjoining pipe.

2. Size insulation large enough to enclose pipe and heat tracing.

3. Cover with stainless-steel jacket with seams located at 3- or 9-o'clock position on side of horizontal piping, with overlap facing down to shed water.

3.3 ATTACHMENTS

A. Process Piping Insulation Schedule:

1. Chemical Piping:

a. Type: P-1.

b. Thickness:

1) Pipe Sizes 1-1/4 Inches and Smaller: 1/2 inch.

2) Pipe Sizes 1-1/2 Inches and Larger: 1 inch.

2. Potable Water:

a. Type P-1 or P-5.

b. Thickness:

1) Pipe Sizes 1-1/4 Inches and Smaller: 1/2 inch.

2) Pipe Sizes 1-1/2 Inches and Larger: 1 inch.

3. Exposed Process Piping:

a. Type: P-1 or P-5.

b. All Pipe Sizes: 1 inch.

END OF SECTION