15.1. No Contractor, Sub-Contractor, or supplier shall furnish asbestos-containing material.
The pipe insulation shall be manufactured from glass processed from a molten state into fibrous form with an organic binder. The thickness shall be as specified by the INSULATION THICKNESS SCHEDULE - TABLE 2.1 or as shown on the drawings.
1.1. Insulation on flanges, valves and other fittings shall consist of the same material and
thickness specified for pipe insulation.
1.2. Material shall be manufactured by one of the manufacturers listed below.
Application shall be in accordance with the selected manufacturer's recommendation.
Manufacturer
Trade Name of Approved Product Knauf Fiber Glass 1000ºF PIPE Shelbyville, Indiana INSULATION
Owens-Corning Fiberglass Corporation FIBERGLAS HEAVY DENSITY Toledo, Ohio
1.3. For temperatures greater than 600ºF, the insulation shall be applied in double layers
as required to make up the thicknesses as specified. The joints between the inner and outer layers shall be offset from one another.
1.4. Expansion joints shall be provided by the Contractor as required to provide
adequate flexibility of the insulation, in accordance with the nature of the system to which it is applied and in accordance with the manufacturer's recommendation.
3/4 1 1 1/2 1 1/2 2 1 1 1 1/2 1 1/2 2 1 1/2 1 1 1/2 1 1/2 2 1/2 2 1 1 1/2 2 2 1/2 3 1 1 1/2 2 2 1/2 4 1 1 1/2 2 2 1/2 6 1 1 1/2 2 3 1/2 8 1 1 1/2 3 1/2 3 1/2 10 1 1 1/2 3 1/2 3 1/2 12 1 1/2 1 1/2 3 1/2 3 1/2 14 1 1/2 1 1/2 3 1/2 3 1/2 16 1 1/2 1 1/2 3 1/2 3 1/2 18 1 1/2 1 1/2 3 1/2 3 1/2 20 1 1/2 1 1/2 3 1/2 3 1/2 24 1 1/2 1 1/2 3 1/2 3 1/2 30 1 1/2 1 1/2 3 1/2 3 1/2 36 and greater 1 1/2 1 1/2 3 1/2 3 1/2 Tank 1 1/2 2 3 1/2 4
Sources: Sandler, H.J.; E.T. Luckiewicz, “Practical Process Engineering”, p568 John Manville, Micro-Lok HP, High Performance Fiber Glass Pipe Insulation Note: Chart valid for both heat conservation and personal protection
General Uses: Process Piping;
Cool water systems from 35ºF to 65ºF. Heating systems from ambient up to 450ºF. Domestic hot water service up to 180ºF.
cubic foot and shall be in accordance with ASTM C 533 or C 610. The thickness shall be as specified by the INSULATION THICKNESS SCHEDULE - TABLE 2.2 or as shown on the drawings.
1.1. Insulation shall be certified by the manufacturer not to accelerate stress corrosion of
stainless steel pipe.
1.2. Insulation on flanges, valves and other fittings shall consist of the same material and
thickness specified for pipe insulation.
1.3. Material shall be manufactured by one of the manufacturers listed below. Application
shall be in accordance with the selected manufacturer's recommendations. Trade Name of
Manufacturer Approved Product
Calsilite/Johns Manville "SPROULE WR-1200" Brunswick, Georgia
Johns Manville THERMO-12
Denver, Colorado
Pabco/Johns Manville SUPER CALTEMP
Fruita, Colorado
1.4. For temperatures greater than 600ºF, the insulation shall be applied in double layers as
required to make up the thicknesses as specified. The joints between the inner and outer layers shall be offset from one another.
1.5. Expansion joints shall be provided by the Contractor as required to provide adequate
flexibility of the insulation, in accordance with the nature of the system to which it is applied and in accordance with the manufacturer's recommendation.
3/4 1 1 1/2 1 1/2 2 1/2 2 1/2 3 3 3 1 1 1 1/2 2 1/2 2 1/2 3 3 3 4 1 1/2 1 2 2 1/2 2 1/2 3 3 4 4 2 1 2 2 1/2 3 3 4 4 4 3 1 2 1/2 2 1/2 3 4 4 4 5 4 1 2 1/2 3 3 4 4 4 5 6 1 1/2 2 1/2 3 4 4 4 5 5 8 1 1/2 2 1/2 4 4 4 4 5 6 10 1 1/2 3 4 4 4 6 6 6 12 1 1/2 3 4 4 4 6 6 6 14 1 1/2 3 4 4 4 6 6 6 16 2 3 4 4 4 6 6 6 18 2 3 4 4 4 6 6 6 20 2 3 4 4 4 6 6 6 24 2 3 4 4 4 6 6 6 30 2 4 4 4 4 6 7 8 36 and greater 2 4 4 4 6 6 7 8 Tank 2 1/2 3 4 5 6 7 9 10
Sources: Sandler, H.J.; E.T. Luckiewicz, “Practical Process Engineering”, p570 Industrial Insulation Group, LLC., Thermo-12 Gold
Note: Chart valid for both heat conservation and personal protection (surface temperature < 130F)
General Uses:
Steam service piping subject to foot-traffic or abuse. Boiler feed piping subject to foot-traffic or abuse. Boiler blowdown piping subject to foot-traffic or abuse.
insulation shall be manufactured from mineral substances such as rock, slag or glass processed from a molten state into fibrous form with an organic binder. The thickness shall be as specified by the INSULATION THICKNESS SCHEDULE - TABLE 2.3 or as shown on the drawings.
1.1. Insulation on flanges, valves and other fittings shall consist of the same material and
thickness specified for pipe insulation.
1.2. Material shall be manufactured by one of the manufacturers listed below. Application
shall be in accordance with the selected manufacturer's recommendations. Trade Name of
Manufacturer Approved Product
Fibrex Insulation, Inc. CORE-PLUS 1200 PIPE INSULATION Industrial Insulation Group (LLC ) MINWOOL – 1200 PIPE
1.3. For temperatures greater than 600ºF, the insulation shall be applied in double layers as
required to make up the thicknesses as specified. The joints between the inner and outer layers shall be offset from one another.
1.4. Expansion joints shall be provided by the Contractor as required to provide adequate
flexibility of the insulation, in accordance with the nature of the system to which it is applied and in accordance with the manufacturer's recommendation.
3/4 1 1 1 1/2 2 1/2 2 1/2 3 3 3 1 1 1 1/2 1 1/2 2 1/2 2 1/2 3 3 3 1 1/2 1 1 1/2 2 2 1/2 3 4 4 4 2 1 1 1/2 2 1/2 2 1/2 4 4 4 4 3 1 2 2 1/2 4 4 4 4 4 4 1 2 2 1/2 4 4 4 4 6 6 1 1/2 2 4 4 4 4 6 6 8 1 1/2 2 1/2 4 4 4 6 6 6 10 1 1/2 2 1/2 4 4 4 6 6 8 12 1 1/2 2 1/2 4 4 4 6 6 8 14 1 1/2 2 1/2 4 4 4 6 6 8 16 1 1/2 2 1/2 4 4 4 6 6 8 18 1 1/2 2 1/2 4 4 4 6 6 9 20 1 1/2 2 1/2 4 4 4 6 6 9 24 1 1/2 4 4 4 4 6 8 9 30 2 4 4 4 4 6 8 9 36 and greater 2 4 4 4 6 7 8 9 Tank 2 4 4 6 10 10 10 10
Sources: Sandler, H.J.; E.T. Luckiewicz, “Practical Process Engineering”, p569 Industrial Insulation Group, LLC., Min-Wool-1200
Note: Chart valid for both heat conservation and personal protection (surface temperature < 130F)
General Uses:
Steam service system up to 500ºF. Boiler feed systems at 220ºF. Boiler blowdown system at 375ºF.
Tubular or Type II - Sheet. The insulation shall be suitable for use on surfaces operating at temperatures between -40ºF and 220ºF. The thickness shall be as specified by the INSULATION THICKNESS SCHEDULE - TABLE 2-4 or as shown on the drawings.
1.1. Insulation shall be certified by the manufacturer not to accelerate stress corrosion of
stainless steel.
1.2. Insulation on flanges, valves and other fittings shall consist of the same material and
thickness specified for pipe insulation.
1.3. Material shall be manufactured by one of the manufacturers listed below. Application
shall be in accordance with the selected manufacturer's recommendations. Trade Name of
Manufacturer Approved Product
Armacell, LLC ARMAFLEX
Mebane, NC
Rubatex Corporation RUBATEX
Roanoke, Virginia INSUL-TUBE
1.4. Where insulation is applied on stainless steel surfaces with temperatures above 125ºF,
the stainless steel surfaces shall be primed with an epoxy primer in accordance with the selected manufacturer's recommendation. If manufacturer can certify that insulation is halogen free (chloride ions), the epoxy primer will not be required for stainless steel surfaces.
1.5. Adhesives for sealing joints and seams shall be approved by the insulation
manufacturer.
1.6. Insulation materials shall have a flame spread rating of 25 or less and a smoke
3/4 1 1/2 1 1/2 1 3/4 3/4 1 1 1/2 1 1/2 1 3/4 3/4 1 1/2 1 3/4 1 1/2 1 3/4 3/4 2 1 3/4 1 1/2 1 3/4 3/4 3 2 1 1/2 1 3/4 3/4 4 2 1 1/2 1 3/4 3/4 6 2 1 1/2 1 3/4 3/4 8 1 1 10 1 1 12 1 1 14 16 18 20 24 30 36 and greater Tank 2 1/2 2 1 1/2 1
Sources: Sandler, H.J.; E.T. Luckiewicz, “Practical Process Engineering”, p572 Armacell Engineered Foams, AP/Armaflex
Note: Chart based on “severe” conditions, 90ºF and 80% RH
General Uses:
specified by the INSULATION THICKNESS SCHEDULE - TABLE 2-5 or as shown on the drawings.
1.1. Insulation shall be certified by the manufacturer not to accelerate stress corrosion of
stainless steel.
1.2. Insulation on flanges, valves and other fittings shall consist of the same material and
thickness specified for pipe insulation.
1.3. Material shall be manufactured by one of the manufacturers listed below. Application
shall be in accordance with the selected manufacturer's recommendations. Trade Name of
Manufacturer Approved Product
ITW INSULATION STYROFOAM
1.4. Adhesives for sealing joints and seams shall be approved by the insulation
manufacturer.
1.5. Insulation shall be used with a high quality continuous vapor retarder as approved by
1 1 1 1 1 1/2 1 1 1 2 1 1 1 3 1.5 1.5 1 4 1.5 1.5 1 6 1.5 1.5 1.5 8 1.5 1.5 1.5 10 1.5 1.5 1.5 12 1.5 1.5 1.5 14 1.5 1.5 1.5 16 1.5 1.5 1.5 18 1.5 1.5 1.5 20 1.5 1.5 1.5 24 1.5 1.5 1.5 30 36 and greater Tank 2 2 2
Sources: Sandler, H.J.; E.T. Luckiewicz, “Practical Process Engineering”, p572
ITW Insulation Company
Note: Chart based on “severe” conditions, 90ºF and 80% RH, Wind Velocity 7 mph, Dew Point 83°F, Aluminum Jacket
General Uses:
Chilled water systems from 35ºF. to 50ºF. Refrigeration systems from 0ºF. to 35ºF. Cooling Water Systems from 35°F to 100°F
INSULATION THICKNESS SCHEDULE - TABLE 2.6 or as shown on the drawings.
1.1. Insulation on flanges, valves and other fittings shall consist of the same material and
thickness specified for pipe insulation.
1.2. Material shall be manufactured by one of the manufacturers listed below.
Application shall be in accordance with the selected manufacturer's recommendation.
Manufacturer
Trade Name of Approved Product Pittsburgh Corning Corporation Foamglass
Pittsburgh, Pennsylvania
1.3. For temperatures greater than 400ºF, the insulation shall be applied as
recommended by the Manufacturer for this application.
1.4. Expansion joints shall be provided by the Contractor as required to provide
adequate flexibility of the insulation, in accordance with the nature of the system to which it is applied and in accordance with the manufacturer's recommendation.
1.5. Vapor Barrier Applications: All joint edges and ends shall be sealed with a coat of
vapor barrier mastic as recommended b the Manufacturer.
1.6. The pipe insulation shall be secured in place with stainless steel bands. The band
shall be spaced on 9 inch centers where 18 inch length insulation is used, and 12 inch centers where 24 inch length insulation is used.
200 201 – 300 301 – 400 1/2 1 1 1/2 1 1/2 3/4 1 1 1/2 1 1/2 1 1 1 1/2 1 1/2 1 1/2 1 1 1/2 1 1/2 2 1 1 1/2 2 3 1 1 1/2 2 1/2 4 1 1 1/2 2 1/2 6 1 1 1/2 3 8 1 1/2 2 1/2 3 10 1 1/2 2 1/2 3 12 1 1/2 2 1/2 3 1/2 14 1 1/2 2 1/2 3 1/2 16 1 1/2 2 1/2 3 1/2 18 1 1/2 2 1/2 3 1/2 20 1 1/2 2 1/2 3 1/2 24 1 1/2 2 1/2 3 1/2 30 1 1/2 2 1/2 3 1/2 36 and greater 1 1/2 2 3 1/2 Tank 2 2 3
Sources: Sandler, H.J.; E.T. Luckiewicz, “Practical Process Engineering”, p568
John Manville, Micro-Lok HP, High Performance Fiber Glass Pipe Insulation
Note: Chart valid for both heat conservation and personal protection
General Uses: Process Piping:
Heating systems from ambient up to 400°F Clean in Place (CIP) piping
"FILOMAT-D"by Alpha Associates, Inc. "Insulbatte" by J. P. Stevens Company, Inc.
1.1. All blankets and covers shall be constructed and designed to permit a heat loss of
no more than 92 Btu/square foot/hour and a surface temperature of not more than 135ºF in still air at an ambient temperature of 80ºF. The minimum blanket insulation thicknesses shall be as follows:
130ºF to 300ºF 1" thick 301ºF to 400ºF 2" thick 401ºF to 500ºF 3" thick 501ºF to 800ºF 4" thick 801ºF to 1000ºF 6" thick
1.2. For temperatures greater than 600ºF, single layer blanket construction may be used.
For temperatures greater than 600ºF, double layer construction shall be used. For double layer construction, the joints between the inner and outer layers shall be offset from one another.
1.3. The inner liner material for hot surface temperatures up to 500ºF shall be silicone
coated glass cloth, 32-ounce. For hot surface temperatures between 500ºF and 1000ºF, the blanket insulation material shall be enclosed on all sides with a woven wire mesh. The woven wire mesh shall be 304 stainless steel wire, 0.011 inch (11 mils) woven into a fabric using a mesh size of 60 density.
1.4. The exterior jacket material shall be silicone glass cloth, 32-ounce. 1.5. All blankets shall be quilted at frequent intervals with Quilting Fasteners.
1.6. All blankets shall be constructed with all seams and joints as weatherproof suitable
blankets together.
Blanket fabricators who can furnish removable/reusable insulation covers described herein are as follows:
MIT International
8000 Market Street, Suite 100 Houston, Texas 77029
Shannon Enterprises of W.N.Y., Inc. 75 Main Street
North Tonawanda, NY 14120
Triangle Insulation & Sheetmetal Company Division of Triangle Enterprises, Inc.
3630 Cairo Road
1.1. All outdoor and indoor hot insulated lines shall be finished as follows:
1.1.1. Apply an aluminum weatherproof jacket directly over the insulation. This jacket shall be manufactured from embossed aluminum alloy 5005 or 3003 half-hard, not less than 0.016 inch thick. The aluminum jacket shall have a factory applied moisture barrier as manufactured by Childers Products Company or approved equal.
1.1.2. All joints shall be made rain or drip proof. Longitudinal joints shall be located on the side of the pipe with the open edge of the lap turned downward 2-inches to shed water. Circumferential joints shall be lapped 3-inches. Circumferential joints on pipes that do not have enough slope to get a good shingle effect to keep water out of the joint shall have the inside end of the lap beaded or sealed with a permanently elastic mastic-type sealant designed for this service.
1.1.3. The aluminum jacket shall be secured by Type 316 stainless steel straps 0.020- inch thick. The straps shall be 1/2-inch wide for pipe sizes 12-inches and smaller and shall be 3/4-inch wide for pipe sizes larger than 12-inches. The straps shall be placed on 12-inch centers (maximum) indoors and on 9-inch centers
(maximum) outdoors. Each circumferential joint shall have a strap at the midpoint of the lap.
1.1.4. On long radius bends, the aluminum jacket shall be cut in sections on the miter, overlapped, and form a neat, snug fit, using sufficient bands and fasteners to hold jacket properly in place.
1.1.5. All 30-inch diameter and smaller insulated elbows shall be protected with prefabricated aluminum elbow jackets. Each jacket shall be manufactured of high purity 0.024-inch aluminum with a suitable moisture barrier on the interior of the jackets to prevent decomposition of the aluminum. The prefabricated elbow jackets shall be applied directly over the insulated fittings.
1.1.6. All insulation on fittings, flanges, valves, and other irregular shaped items on which the aluminum jacket cannot be neatly applied shall be finished as follows: 1.1.6.1. Over the smooth insulation surface and cloth reinforcing as described below,
apply the mastic in two or more coats at a sufficient rate to provide a dry film thickness of 1/8 inch.
(maximum).
1.1.6.3. The mastic shall be applied by trowel or spray. The exact installation conditions, procedures and recoat time shall be as recommended by the mastic
manufacturer.
1.1.6.4. The mastic shall be gray or metallic gray vinyl VI-CRYL CP-10 or CP-11
manufactured by Childers Products Company, Bristol, Pennsylvania 19007; or WC-1 manufactured by Vimasco Corporation, Nitro, West Virginia 25143. 1.1.6.4.1 Special Requirements. All mastic shall include a "fungicide" to prevent
1.2. All outdoor and indoor insulated lines shall be finished as follows:
1.2.1. The insulation shall have a factory-applied integral or field-applied fire retardant vapor barrier applied directly to the insulation.
1.2.2. Apply an aluminum weatherproof jacket directly over the vapor barrier. This jacket shall be manufactured from embossed aluminum alloy 5005 or 3003 half hard, not less than 0.016 inch thick, The aluminum jacket shall have a factory- attached moisture barrier of kraft paper treated for this service.
1.2.3. All joints shall be made rain or drip proof. Longitudinal joints shall be located on the side of the pipe with the open edge of the lap turned downward 2-inches to shed water. Circumferential joints shall be lapped 3-inches. Circumferential joints on pipes that do not have enough slope to get a good shingle effect to keep water out of the joint shall have the inside end of the lap beaded or sealed with a permanently elastic mastic-type sealant designed for this service.
1.2.4. The aluminum jacket shall be secured by Type 316 stainless steel straps 0.020- inch thick. The straps shall be 1/2-inch wide for pipe sizes 12-inches and smaller and shall be 3/4-inch wide for pipe sizes larger than 12-inches. The straps shall be placed on 12-inch centers (maximum) indoors and on 9-inch centers (maximum) outdoors. Each circumferential joint shall have a strap at the midpoint of the lap.
1.2.5. Fittings, valves and other irregular shaped items shall be insulated with fibers built up to the same thickness as the adjoining insulation and then fitted with white, premolded, 30 mil PVC jackets. All seams on the PVC jackets shall be sealed. The circumferential joints at the ends of each jacket shall be sealed to the vapor barrier of the adjoining insulation. These seals shall be constructed of sealing mastic or pressure sensitive, color matched tape as recommended by the manufacturer. When an aluminum jacket is specified over the pipe insulation, it shall overlap the ends of each PVC jacket a minimum of 1 inch.
density insulation segments, each with an attached vapor barrier. The Insulation Contractor shall fit his insulation to these segments and seal the vapor barriers to his insulation.
1.2.7. Since the efficiency of this insulation system is dependent upon obtaining and maintaining an absolutely vapor-tight barrier, all precautions shall be taken to prevent rupture of the vapor barrier at any point by the use of screws, staples, etc.
1.2. All outdoor and indoor hot insulated lines shall be finished as follows:
1.2.1. Apply a stainless steel weatherproof jacket directly over the insulation. This jacket shall be manufactured from embossed Type 316 stainless steel, with a 2B finish, 0.010 inch thick.
1.2.2. All joints shall be made rain or drip proof. Longitudinal joints shall be located on the side of the pipe with the open edge of the lap turned downward 2-inches to shed water. Circumferential joints shall be lapped 3-inches. Circumferential joints on pipes that do not have enough slope to get a good shingle effect to keep water out of the joint shall have the inside end of the lap beaded or sealed with a permanently elastic mastic-type sealant designed for this service.
1.2.3. The stainless steel jacket shall be secured by Type 316 stainless steel straps 0.020-inch thick. The straps shall be 1/2-inch wide for pipe sizes 12-inches and smaller and shall be 3/4-inch wide for pipe sizes larger than 12-inches. The straps shall be placed on 12-inch centers (maximum) indoors and on 9-inch centers (maximum) outdoors. Each circumferential joint shall have a strap at the midpoint of the lap.
1.2.4. On long radius bends, the stainless steel jacket shall be cut in sections on the miter, overlapped, and form a neat snug fit, using sufficient bands and fasteners to hold jacket properly in place.
1.2.5. All 30-inch diameter and smaller insulated elbows shall be protected with prefabricated Type 316 stainless steel elbow jackets. The jackets shall be manufactured of 0.019 inch stainless steel. The prefabricated elbow jackets shall be applied directly over the insulated fittings.
1.2.6. All insulation on fittings, flanges, valves, and other irregular shaped items on which the jacket cannot be neatly applied shall be finished as follows:
1.2.6.1. Over the smooth insulation surface and cloth reinforcing as described below, apply the mastic in two or more coats at a sufficient rate to provide a dry film thickness of 1/8 inch.
1.2.6.2. Reinforcing shall consist of a No. 10 mesh nylon or Dynel cloth. Reinforcing cloth on flat surfaces shall be secured to the insulated structure on 18 inch centers maximum.
WC-1 manufactured by Vimasco Corporation, Nitro, West Virginia, 25143.
1.2.6.4.1 Special Requirements. All mastic shall include a "fungicide" to prevent mildew/mold growth.
1.1.1. The insulation shall have a factory-applied integral or field-applied vapor barrier. 1.1.2. Apply an ultraviolet-resistant, 30 mil thick white PVC plastic jacketing system
directly over the vapor barrier, CELL-TITE 330 Series PVC-UVR as manufactured by Ceel-Co., Lakewood, Colorado or approved equal. Performed PVC jackets shall be used for fittings, valves and other irregular shaped items. Installation shall be in accordance with the selected manufacturer’s recommendations and shall provide a vapor barrier for the complete insulated system.
1.1.3. All joints shall be made rain or drip proof. Longitudinal joints shall be located on the side of the pipe with the open edge of the lap turned down to shed water. All seams and joints shall be permanently sealed with a PVC welding adhesive in accordance with the manufacturer’s recommendations.
1.1.4. At support points, the Piping Contractor shall supply and install premolded high- density insulation segments, each with an attached vapor barrier. The Insulation Contractor shall fit his insulation to these segments and seal the vapor barriers to his insulation.
1.1.5. Since the efficiency of this insulation system is dependent upon obtaining and maintaining an absolutely vapor-tight barrier, all precautions shall be taken to prevent rupture of the vapor barrier at any point by the use of screws, staples, etc.
Apply with brush or roller. Apply two coats, allowing the first coat to dry prior to applying the second coat.
1.2. Outdoors – Use manufacturer’s recommended water-based latex enamel coating. Apply with brush or roller. Apply two coats, allowing the first coat to dry prior to applying the second coat.
vertical pipe lines passing through floors shall have the insulation protected from the floor to a point 72 inches above the floor with two-piece covers of No. 14 U.S. Standard gauge sheet steel, attached around the pipes over the insulation finish. The covers shall lap 2 inches at the two longitudinal joints and be fully secured by neat tack welding along the joints at intervals of not more than 12 inches. Upon completion of erection, these sheet metal protection sleeves shall be painted with two coats of aluminum paint as approved by the Owner’s Representative.