ASTM F885-84(2022)

Standard Specification for Envelope Dimensions for Bronze Globe Valves NPS <emph type="bold" ><fraction><num>1</num><den>4</den></fraction></emph> to 2

ABSTRACT
This specification supplies the standard envelope dimensions for small bronze globe valves of nominal pipe sizes from NPS ¼ to 2 with threaded and brazed end connections installed in shipboard piping systems. The valves are in accordance with MSS-SP80, Class 200.
SCOPE
1.1 This specification provides standard dimensions for small bronze globe valves (NPS 1/4 to 2) installed in shipboard piping systems.  
1.2 This specification covers valves of a nominal pipe size from NPS 1/4 to 2 with threaded and brazed end connections. The valves are in accordance with MSS-SP80, Class 200.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 30-Jun-2022
• ICS: 23.060.30 - Gate valves
• ICS: 47.020.30 - Piping systems
• Technical Committee: F25 - Ships and Marine Technology
• Drafting Committee: F25.11 - Machinery and Piping Systems

Overview

The ASTM F885-84(2022) - Standard Specification for Envelope Dimensions for Bronze Globe Valves NPS 1/4 to 2 provides standardized envelope dimensions for small bronze globe valves used in shipboard piping systems. Developed by ASTM International, this standard specifies the size requirements and tolerances for bronze globe valves with nominal pipe sizes (NPS) ranging from 1/4 to 2 inches. The specification covers valves with both threaded and brazed end connections, ensuring compatibility and uniformity across shipbuilding and marine engineering projects. Compliance with this standard ensures alignment with international best practices and facilitates efficient system integration in marine technology.

Key Topics

• Valve Size Coverage: Applicable to bronze globe valves in NPS 1/4, 3/8, 1/2, 3/4, 1, 1-1/4, 1-1/2, and 2.
• End Connections: Standardizes both threaded and brazed end connections to ensure fit and performance.
• Dimensional Requirements:
  • Defines envelope dimensions, such as end-to-end length, pipe centerline to handwheel, and maximum widths.
  • Specifies tolerances of ±1/32 inch (0.8 mm) for dimensions not specifically limited by maximum or minimum values.
• Manufacturing Reference:
  • Threaded connections in accordance with ANSI B2.1 requirements.
  • Valves in accordance with MSS-SP80, Class 200.
• Quality and Tolerances: Details permissible variations and tolerance requirements for consistent valve production.
• International Standardization: Developed following internationally recognized principles championed by the World Trade Organization Technical Barriers to Trade Committee.

Applications

• Shipboard Piping Systems: Designed for exclusive use in marine engineering, particularly on vessel piping installations demanding bronze globe valves with precise dimensions.
• Marine Technology: Essential for naval architects, marine engineers, and shipyards specifying reliable, interchangeable valves for fluid control in onboard systems.
• Maintenance and Repair: Provides the necessary specifications for consistent replacement or retrofitting of bronze globe valves, minimizing compatibility issues and supporting efficient maintenance practices.
• Procurement: Assists supply chain professionals and contractors in sourcing valves that meet stringent dimensional and performance criteria for shipbuilding projects.

Related Standards

• MSS-SP80: Bronze Gate, Globe, Angle, and Check Valves - referenced for compliance in valve classification (Class 200).
• ANSI B2.1: Pipe Threads (Except Dryseal) - defines standards for threaded end connections.
• ASTM F25: Standards under ASTM Committee F25 for Ships and Marine Technology, related to ship machinery and piping systems.

Practical Value

By adhering to ASTM F885-84(2022), shipbuilders, engineers, and suppliers ensure:

• Interchangeability and compatibility of bronze globe valves across different marine piping systems.
• Consistent manufacturing and quality control for small-size valves.
• Streamlined installation, maintenance, and supply processes.
• Alignment with internationally accepted standards, reducing trade and technical barriers.

Keywords: bronze globe valves, envelope dimensions, NPS 1/4 to 2, shipboard piping systems, threaded end, brazed end, MSS-SP80, Class 200, marine technology, ASTM F885-84(2022).

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F885 −84 (Reapproved 2022) An American National Standard
Standard Specification for
Envelope Dimensions for Bronze Globe Valves NPS ⁄4 to 2
ThisstandardisissuedunderthefixeddesignationF885;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2.2 Manufacturer’sStandardizationSocietyoftheValveand
Fittings Industry Standard:
1.1 This specification provides standard dimensions for
SP80 Bronze Gate, Globe, Angle and Check Valves
small bronze globe valves (NPS ⁄4 to 2) installed in shipboard
piping systems.
3. Materials and Manufacture
1.2 This specification covers valves of a nominal pipe size
3.1 Threaded end connections shall be in accordance with
from NPS ⁄4 to 2 with threaded and brazed end connections.
ANSI B2.1. Brazed end connections shall be in accordance
The valves are in accordance with MSS-SP80, Class 200.
with Table 1.
1.3 This international standard was developed in accor-
dance with internationally recognized principles on standard-
4. Dimensions
ization established in the Decision on Principles for the
4.1 Valve dimensions for both threaded- and brazed-type
Development of International Standards, Guides and Recom-
end connections are provided in Fig. 1.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
5. Tolerances
2. Referenced Documents
5.1 A plus or minus tolerance of ⁄32 in. (0.8 mm) shall be
allowed on all dimensions that do not have a maximum or
2.1 ANSI Standard:
minimum specified.
B2.1 Pipe Threads (Except Dryseal)
6. Keywords
This specification is under the jurisdiction of ASTM Committee F25 on Ships
6.1 brazedconnection;bronzeglobevalve;envelopedimen-
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
Machinery and Piping Systems.
sion; globe valve; marine technology; ship
Current edition approved July 1, 2022. Published July 2022. Originally approved
in 1984. Last previous edition approved in 2017 as F885 – 84 (2017). DOI:
10.1520/F0885-84R22.
2 3
Available from American National Standards Institute (ANSI), 25 W. 43rd St., Available from Manufacturers Standardization Society of theValve and Fittings
4th Floor, New York, NY 10036, http://www.ansi.org. Industry (MSS), 127 Park St., NE, Vienna, VA22180-4602, http://www.mss-hq.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F885 − 84 (2022)
AB C D E
Valve Size −NPS End to End, Pipe Centerline to Valve Maximum Handwheel Pipe Centerline to Valve Maximum Width, Nominal Weight,
in. (mm) Top, Maximum, in. (mm) Size, in. (mm) Bottom, Maximum, in. (mm) lb (kg)
in. (mm)
1 1 5 1 3 1
⁄4 2 ⁄4 (57) 4 ⁄8 (118) 2 ⁄2 (64) ⁄4 (19) 1 ⁄2 (38) 1 (0.5)
3 1 5 1 3 1
⁄8 2 ⁄4 (57) 4 ⁄8 (118) 2 ⁄2 (64) ⁄4 (19) 1 ⁄2 (38) 1 (0.
...