ASTM F1298-90(2006)
(Specification)Standard Specification for Flexible, Expansion-Type Ball Joints for Marine Applications
Standard Specification for Flexible, Expansion-Type Ball Joints for Marine Applications
ABSTRACT
This specification covers the design, manufacture, and testing of ball joints utilized for accommodating thermal expansion and contraction, or mechanical movement of a pipeline carrying fluid. Ball joints shall be designed to conform to the requirements prescribed. Flex cycle test, thermal cycling test, and hydrostatic test shall be performed to meet the requirements prescribed.
SCOPE
1.1 This specification covers the design, manufacture, and testing of ball joints utilized for accommodating thermal expansion and contraction, or mechanical movement of a pipeline carrying fluid. The ball joints are intended for use in systems operating above 0°F (18°C).
1.2 The following precautionary caveat pertains only to the test methods portion, Section 7, of this specification: This standard does not purport to address the safety problems 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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Standards Content (Sample)
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An American National Standard
Designation: F1298 – 90 (Reapproved 2006)
Standard Specification for
Flexible, Expansion-Type Ball Joints for Marine
Applications
This standard is issued under the fixed designation F1298; 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 3. Ordering Information
1.1 This specification covers the design, manufacture, and 3.1 Each purchase order or inquiry for ball joints to this
testing of ball joints utilized for accommodating thermal specification shall include the following as applicable:
expansion and contraction, or mechanical movement of a 3.1.1 Title, number, and latest revision of this specification,
pipeline carrying fluid. The ball joints are intended for use in 3.1.2 Manufacturer’s part number or ball-joint type infor-
systems operating above 0°F (18°C). mation,
1.2 The following precautionary caveat pertains only to the 3.1.3 Materials for ball joint and seals, if other than to this
test methods portion, Section 7, of this specification: This specification,
standard does not purport to address all of the safety concerns, 3.1.4 Service conditions,
if any, associated with its use. It is the responsibility of the user 3.1.4.1 Minimum and maximum operating temperature
of this standard to establish appropriate safety and health (°F),
practices and determine the applicability of regulatory limita- 3.1.4.2 Maximum operating pressure (psig),
tions prior to use. 3.1.5 Fluid media (internal),
3.1.6 Atmosphere or media (external),
2. Referenced Documents
3.1.7 ANSI pressure class, facing and drilling of flanged
2.1 ASTM Standards: ends, and pipe schedule or wall thickness of ends for weld end
A395/A395M Specification for Ferritic Ductile Iron
joints,
Pressure-Retaining Castings for Use at Elevated Tempera- 3.1.8 Special end connections as defined by the purchaser,
tures
3.1.9 Ball sphere or other special coatings, if required,
F722 Specification for Welded Joints for Shipboard Piping
3.1.10 Qualification test report, if required,
Systems 3.1.11 Drawing requirements; for example, envelope draw-
2.2 ANSI Standard:
ingsufficientlydetailedtodescribetheballjointtobesupplied,
B 31.1 Power Piping and
2.3 American Society of Mechanical Engineers:
3.1.12 Other tests to satisfy customer requirements.
ASME Boiler and Pressure Vessel Code, Section VIII,
4. Materials and Manufacture
Division 1, Pressure Vessels Section IX, Welding and
Brazing Requirements 4.1 All pressure retaining components shall be fabricated
from wrought or cast steel. Ductile iron complying with
Specification A395/A395M may be used for the ball joint
This specification is under the jurisdiction of ASTM Committee F25 on Ships
retaining ring in services not above 350 psig (2.41 N/mm)or
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
450°F (232°C). Steel shall comply with one of the materials
Machinery and Piping Systems.
listed in Section VIII, Division 1, of theASME Code, orANSI
Current edition approved Feb. 1, 2006. Published February 2006. Originally
approved in 1990. Last previous edition approved in 2001 as F1298 – 90 (2001).
B 31.1.
DOI: 10.1520/F1298-90R06.
4.2 Bolting material shall be in accordance with ANSI
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
B 31.1.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.3 Ball spheres shall be coated in accordance with the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
manufacturer’s standard practice or as specified by the custom-
Available from American National Standards Institute, 25 W. 43rd St., 4th
er’s specification (see 3.1.9).
Floor, New York, NY 10036.
4.4 Corrosion shall be considered in the design as set forth
Available from American Society of Mechanical Engineers (ASME), ASME
International Headquarters, Three Park Ave., New York, NY 10016-5990. in UG-25 of the ASME Code, Section VIII, Division 1.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F1298 – 90 (2006)
4.5 Seals and packing material shall be suitable for the 6. Workmanship, Finish, and Appearance
service intended. This includes being adequate for the pressure
6.1 Cleaning—The internal and external surfaces of the ball
and temperature rating and having sufficient resistance to
joint shall be cleaned of dirt and other foreign material using a
attack by the fluid media and atmosphere specified in Section
suitable cleaner.
3.
6.2 Surface Preservation—Unless otherwise specified by
4.6 Welding procedure qualification, welder performance
the purchaser, the ball joint shall be coated in accordance with
qualification, and welding materials shall be in accordance
the manufacturer’s standard practice.
withANSI B 31.1 and Section IX of theASME Code. Brazing
or soldering shall not be used.
7. Test Methods orAnalytical Methods
5. Other Requirements
7.1 Qualification Tests:
7.1.1 A ball joint of each standard design shall be certified
5.1 Design:
as having undergone the following qualification tests. The ball
5.1.1 Ball joints shall be designed to conform to applicable
joint shall not show leakage of the test fluid under the
sections of the latest edition of ANSI B 31.1.
conditions of pressurization stipulated in each test.
5.1.2 Packing—Thedesignforcontainmentofleakageshall
7.1.1.1 Flex Cycle Test—The ball joint shall be subjected to
be of the manufacturer’s standard design and be qualified by
prototype testing of 7.1. 8000 flex cycles at MAWP and maximum rated temperature
over the rated flex angle. Each flex cycle shall consist of
5.2 Pressure and Temperature Rating:
rotating the ball joint from maximum flex angle on one side
5.2.1 The maximum
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