Standard Specification for Chemical-Resistant Ceramic Tower Packings

ABSTRACT
This specification covers fired chemical-resistant ceramic tower installation packings formed from naturally occurring clays or compounded bodies. The number of dumped pieces of cylindrical-type packing material should conform to the requirements for each ring, packing, and saddle size. Material properties such as crushing strength, water absorption, and acid resistance should also fall within the given values for both porcelain and stoneware packings.
SCOPE
1.1 This specification covers fired ceramic shapes formed from naturally occurring clays and from compounded bodies that are used as packing in tower installations. These ceramic units are designed primarily for use in process equipment for the chemical or allied industries.  
1.2 The physical and chemical properties that affect quality of packing materials are covered in this specification. Properties that affect actual operational efficiency or characteristics of processing towers are not covered.  
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.  
1.4 The following precautionary statement pertains to the test method portion only, Section 7, of this standard. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Publication Date
30-Nov-2013
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:C515 −13
Standard Specification for
1
Chemical-Resistant Ceramic Tower Packings
This standard is issued under the fixed designation C515; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope normal or angular ends, rings with included obstructions,
perforated cylinders, and curved saddles. These shapes are
1.1 This specification covers fired ceramic shapes formed
used within columns or towers to provide inert surfaces for
from naturally occurring clays and from compounded bodies
promotion of energy transfer or chemical reaction between
that are used as packing in tower installations. These ceramic
liquids and liquids, gases and liquids, and gases and gases.
units are designed primarily for use in process equipment for
3.1.1.1 Discussion—Clay: An earthy or stony mineral ag-
the chemical or allied industries.
gregate consisting, essentially of hydrous silicates of alumina,
1.2 The physical and chemical properties that affect quality
plasticwhensufficientlypulverizedandwetted,rigidwhendry,
of packing materials are covered in this specification. Proper-
and vitreous when fired at a sufficiently high temperature.
ties that affect actual operational efficiency or characteristics of
3.1.2 chemical stoneware tower packing—pieces manufac-
processing towers are not covered.
tured from specially compounded bodies consisting of clays
1.3 The values stated in inch-pound units are to be regarded
and other minerals, of natural origin.
as the standard. The values given in parentheses are for
3.1.3 chemical porcelain tower packing—pieces manufac-
information only.
tured from specially compounded bodies, consisting of refined
1.4 The following precautionary statement pertains to the
clays and other naturally occurring minerals. These pieces are
test method portion only, Section 7, of this standard.This
characteristically smooth-textured, vitreous, and white or light
standard does not purport to address all of the safety concerns,
gray in color.
if any, associated with its use. It is the responsibility of the user
of this standard to establish appropriate safety and health
4. Shapes, Sizes, and Quantities
practices and determine the applicability of regulatory limita-
tions prior to use.
4.1 The number of dumped pieces of cylindrical-type pack-
ing per cubic foot shall conform to the requirements for each
2. Referenced Documents
size of rings, packings, and saddles as specified in Table 1,
2
2.1 ASTM Standards: Table 2, and Table 3 or as negotiated between customer and
supplier.
C279 Specification for Chemical-Resistant Masonry Units
C373 Test Method for Water Absorption, Bulk Density,
5. Tolerances for Rings
Apparent Porosity, andApparent Specific Gravity of Fired
Whiteware Products, Ceramic Tiles, and Glass Tiles
5.1 Dimensional Accuracy—The average outside diameter
E4 Practices for Force Verification of Testing Machines
and average length shall be within 65 % of specified size for
80 % of a lot, and within 610 % of specified size for 100 % of
3. Terminology
a lot.
3.1 Definitions:
5.2 Measurement of the ring shall be made with calipers,
3.1.1 tower packing—a term covering variously shaped
avoiding flashes, protrusions, and obviously defective areas.
ceramic pieces such as spheres, cylindrical rings with either
The average outside diameter shall be determined as one half
the sum of the maximum and minimum outside diameters. The
1
This specification is under the jurisdiction of ASTM Committee D32 on
average length shall be determined as one half the sum of the
Catalysts and is the direct responsibility of Subcommittee D32.02 on Physical-
maximum and minimum lengths.
Mechanical Properties.
Current edition approved Dec. 1, 2013. Published December 2013. Originally
5.3 Ovalness—The difference between maximum and mini-
approved in 1963. Last previous edition approved in 2007 as C515 – 95 (2007).
mum outside diameters of any ring in a lot shall not exceed
DOI: 10.1520/C0515-13.
2
10 % of the specified size.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.4 Inspection—The sample plan and procedure shall be as
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. agreed upon by the supplier and purchaser at time of purchase.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C515−13
TABLE 1 Requirements For Shapes, Sizes, and Quantities TABLE 3 Requirements f
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C515 − 95 (Reapproved 2007) C515 − 13
Standard Specification for
1
Chemical-Resistant Ceramic Tower Packings
This standard is issued under the fixed designation C515; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers fired ceramic shapes formed from naturally occurring clays and from compounded bodies that are
used as packing in tower installations. These ceramic units are designed primarily for use in process equipment for the chemical
or allied industries.
1.2 The physical and chemical properties that affect quality of packing materials are covered in this specification. Properties that
affect actual operational efficiency or characteristics of processing towers are not covered.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information
only.
1.4 The following precautionary statement pertains to the test method portion only, Section 7, of this standard.This standard
does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this
standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
C279 Specification for Chemical-Resistant Masonry Units
C373 Test Method for Water Absorption, Bulk Density, Apparent Porosity, and Apparent Specific Gravity of Fired Whiteware
Products
E4 Practices for Force Verification of Testing Machines
3. Terminology
3.1 Definitions:
3.1.1 tower packing—a term covering variously shaped ceramic pieces such as spheres, cylindrical rings with either normal or
angular ends, rings with included obstructions, perforated cylinders, and curved saddles. These shapes are used within columns or
towers to provide inert surfaces for promotion of energy transfer or chemical reaction between liquids and liquids, gases and
liquids, and gases and gases.
1
This specification is under the jurisdiction of ASTM Committee D32 on Catalysts and is the direct responsibility of Subcommittee D32.02 on Physical-Mechanical
Properties.
Current edition approved June 1, 2007Dec. 1, 2013. Published July 2007December 2013. Originally approved in 1963. Last previous edition approved in 20012007 as
C515–95(2001).C515 – 95 (2007). DOI: 10.1520/C0515-95R07.10.1520/C0515-13.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3.1.1.1 Discussion—
Clay: An earthy or stony mineral aggregate consisting, essentially of hydrous silicates of alumina, plastic when sufficiently
pulverized and wetted, rigid when dry, and vitreous when fired at a sufficiently high temperature.
3.1.2 chemical stoneware tower packing—pieces manufactured from specially compounded bodies consisting of clays and other
minerals, of natural origin.
3.1.3 chemical porcelain tower packing—pieces manufactured from specially compounded bodies, consisting of refined clays
and other naturally occurring minerals. These pieces are characteristically smooth-textured, vitreous, and white or light gray in
color.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C515 − 13
4. Shapes, Sizes, and Quantities
4.1 The number of dumped pieces of cylindrical-type packing per cubic foot shall conform to the requirements for each size
of rings, packings, and saddles as specified in Table 1, Table 2, and Table 3. or as negotiated between customer and supplier.
5. Tolerances for Rings
5.1 Dimensional Accuracy—The average outside diameter and average length shall be within 65 % of specified size for 80 %
of a lot, and within 610 % of specified size for 100 % of a lot.
5.2 Measurement of the ring shall be made with calipers, avoiding flashes, protrusions, and obviously defective areas. The
average outside diameter shall be determined as one half the sum of the maximum and minimum outside diameters. The average
length shall be determined as one half the sum of the maximum and minimum lengths.
5.
...

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