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ASTM

ASTM E1008-97

(Practice)

Standard Practice for Installation, Inspection, and Maintenance of Valve Body Pressure Relief Methods for Geothermal and Other High-Temperature Liquid Applications

Standard Practice for Installation, Inspection, and Maintenance of Valve Body Pressure Relief Methods for Geothermal and Other High-Temperature Liquid Applications

SCOPE
1.1 This practice covers installation, inspection, and maintenance of valve body cavity pressure relief methods for valves used in geothermal and other high-temperature liquid service. The valve type covered by this practice has an isolated body cavity when the valve is in the open or closed position.  
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
09-Oct-1997
ICS
23.060.40 - Pressure regulators
Technical Committee
E44 - Solar, Geothermal and Other Alternative Energy Sources
Drafting Committee
E44.15 - Geothermal Field Development, Utilization and Materials
Current Stage
Ref Project

Relations

Replaced By
ASTM E1008-03 - Standard Practice for Installation, Inspection, and Maintenance of Valve-body Pressure-relief Methods for Geothermal and Other High-Temperature Liquid Applications
Effective Date
01-Oct-2003

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ASTM E1008-97 - Standard Practice for Installation, Inspection, and Maintenance of Valve Body Pressure Relief Methods for Geothermal and Other High-Temperature Liquid ApplicationsASTM E1008-97 - Standard Practice for Installation, Inspection, and Maintenance of Valve Body Pressure Relief Methods for Geothermal and Other High-Temperature Liquid Applications
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ASTM E1008-97 - Standard Practice for Installation, Inspection, and Maintenance of Valve Body Pressure Relief Methods for Geothermal and Other High-Temperature Liquid Applications
English language
2 pages
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Standards Content (Sample)


NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: E 1008 – 97
Standard Practice for
Installation, Inspection, and Maintenance of Valve Body
Pressure Relief Methods for Geothermal and Other High-
Temperature Liquid Applications
This standard is issued under the fixed designation E 1008; 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.
1. Scope 100°F as defined in the latest edition of API 6D.
4.2 The installation shall be such that direct access to the
1.1 This practice covers installation, inspection, and main-
body cavity is maintained and that the pressure relief device
tenance of valve body cavity pressure relief methods for valves
may be periodically removed, cleaned, inspected, and rein-
used in geothermal and other high-temperature liquid service.
stalled without endangering the operating personnel or remov-
The valve type covered by this practice is a design with an
ing the valve from its functional application.
isolated body cavity such that when the valve is in either the
4.2.1 The relief device may be mounted with an automatic
open or closed position pressure is trapped in the isolated
shutoff, such as a check valve held in the open position by the
cavity, and there is no provision to relieve the excess pressure
relief device. An example of such an assembly is shown in Fig.
internally.
1. The shutoff device will not be rendered inoperative.
1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Cold-Weather Considerations
responsibility of the user of this standard to establish appro-
5.1 Below freezing temperatures are considered due to ice
priate safety and health practices and determine the applica-
formation within the body cavity and the associated expansion.
bility of regulatory limitations prior to use.
5.2 The recommended procedures for winterizing (for ex-
2. Referenced Documents ample, below freezing temperatures) valves of the type de-
scribed in 1 of this recommended practice shall be as follows:
2.1 API Standard:
5.2.1 The valve must be fully closed or fully opened.
6D—Specifications for Pipe Line Valves, End Closures,
5.2.2 The body cavity should be purged with a nonreactive
Connectors and Swivels
gas (for example, nitrogen) or filled with a fluid to produce a
2.2
solution with a low freezing point (below − 50°F).
Proposed specification ISO/DIS 14313
6. Inspection
3. Definitions
6.1 The pressure relief device shall be kept clean to ensure
3.1 relief device—a spring loaded valve or rupture disk that
proper operation.
will relieve excessive pressure from the body cavity at a
6.2 The relief device shall be removed, inspected, then
predetermined pressure level.
cleaned, repaired, or replaced, and reinstalle
...

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