ASTM C315-02
(Specification)Standard Specification for Clay Flue Linings
Standard Specification for Clay Flue Linings
SCOPE
1.1 This specification establishes the criteria for acceptance, prior to installation, of clay flue liners used for conveying hot gases in masonry chimneys.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 For installation of clay flue liners, see Practice C 1283.
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Designation: C 315 – 02
Standard Specification for
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Clay Flue Liners
This standard is issued under the fixed designation C 315; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 6.1.1 The absorption of clay flue liners shall not exceed
8.0 % when tested in accordance with Test Methods C 301.
1.1 This specification establishes the criteria for acceptance,
6.1.2 Test Specimens— Five dry test specimens shall be
prior to installation, of clay flue liners used for conveying hot
obtained from the five flue liners to be tested and shall measure
gases in masonry chimneys.
as closely as possible to 4 in. (100 mm) by 4 in. (100 mm) per
1.2 The values stated in inch-pound units are to be regarded
side. All rough edges shall be ground off and loose particles
as the standard. The values given in parentheses are for
removed.
information only.
6.1.3 If any of the test specimens fail to meet the require-
1.3 For installation of clay flue liners, see Practice C 1283.
ments, the manufacturer shall be allowed to retest on two
2. Referenced Documents additional specimens for each one that failed. The flues will be
acceptable if all the subsequent specimens for retest meet the
2.1 ASTM Standards:
requirements.
C 67 Test Methods for Sampling and Testing Brick and
2
6.2 Acid Resistance:
Structural Clay Tile
2
6.2.1 This is a test used to determine the resistance of clay
C 301 Test Methods for Vitrified Clay Pipe
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flue liners to the action of acids encountered in chimneys. This
C 896 Terminology Relating to Clay Products
2
test shall be performed only when specified.
C 1283 Practice for Installing Clay Flue Lining
6.2.2 The flue liner shall be acceptable if the acid soluble
3. Terminology
material does not exceed 0.25 % when tested in accordance
with Test Methods C 301.
3.1 Definitions—Clay, fire clay, shale, and surface clay are
6.2.3 Test Specimens— Select one test specimen from each
as defined in Terminology C 896.
size of flue liner. The specimens shall measure about 2 in. (50
4. Classification
mm) by 2 in. (50 mm) per side and weigh not more than 200
g. They shall be sound pieces with all edges freshly broken,
4.1 Types—Flue liners acceptable under this specification
free of cracks or shattered edges, and shall be thoroughly
shall be designated as rectangular nonmodular, rectangular
cleaned.
modular, round or oval.
6.3 Freeze-Thaw Cycle Test:
5. Materials and Manufacture
6.3.1 When flue liners are tested in accordance with Test
Methods C 67, Section 8 on structural clay tile, there shall be
5.1 Flue liners shall be manufactured from fire clay, shale,
no breakage and the percentage of weight loss shall not exceed
surface clay, or a combination of these materials that when
0.5 %.
formed and fired to suitable temperatures, shall yield a product
6.3.2 Test Specimens— Five dry test specimens shall be
that is strong, durable, serviceable, and conforms to this
obtained from the five flue liners to be tested and shall measure
specification.
as closely as possible to 4 in. (100 mm) by 4 in. (100 mm) per
6. Physical and Chemical Requirements
side. All rough edges shall be ground off and loose particles
removed.
6.1 Absorption:
7. Sizes and Dimensions
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This specification is under the jurisdiction of ASTM Committee C04 on
7.1 Flue liners shall be specified and furnished in the
Vitrified Clay Pipe and is the direct responsibility of Subcommittee C04.20 on
dimensions prescribed in Tables 1-4. When other sizes are
Methods of Test and Specifications.
required, flue liners that meet the requirements of Sections 5
Current edition approved Jan. 10, 2002. Published March 2002. Originally
published as C 315–53. Last previous edition C 315–00.
and 6 shall be cut and installed in the chimney.
2
Annual Book of ASTM Standards, Vol 04.05.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C 315
TABLE 1 Rectangular Nonmodular Clay Flue Liners—Standard TABLE 4 Oval Clay Flue Liners—Standard Dimensions
Dimensions
Nominal Wall Nominal Outside
Outside Dimensions,
Thickness, Corner Radius,
Nominal Wall Outside Corner
in. (mm)
in. (mm) in. (mm)
Outside Dimensions, in. (mm) Thickness Radius Max.,
in. (mm) in. (mm)
1 3 3 1
8 ⁄2 by 12 ⁄4 (215 by 325) ⁄4 (19) 4 ⁄4 (110)
1 1 5 1 3 1
8 ⁄2 by 16 ⁄4 (215 by 425) 1 (25) 4 ⁄4 (110)
4 ⁄2 by 8 ⁄2 (115 by 215) ⁄8 (16) 1 (25)
3
1 3
10 by 17 ⁄4 (255 by 450) 1 (25) 5 (130)
4 ⁄2 by 13 (115 by 330) ⁄4 (19) 1 (25)
3 3 3
1 1 3
8 ⁄2 b
...
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