ASTM F993-86(1996)e1

Standard Specification for Valve Locking Devices

General Information

• Status: Historical
• Publication Date: 31-Dec-1995
• Technical Committee: F25 - Ships and Marine Technology

Standards Content (Sample)

e1
Designation: F 993 – 86 (Reapproved 1996) An American National Standard
Standard Specification for
Valve Locking Devices
This standard is issued under the fixed designation F 993; 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.
e NOTE—Keywords were added editorially in November 1996.
1. Scope ANSI B18.1 Small Solid Rivets
American Welding Society D1.1 on Steel
1.1 This specification covers the application, design, and
materials for valve locking devices.
3. Classification
1.2 Locking devices Types I and II described in this
3.1 Valve locking devices shall be classified by the follow-
specification are designed to secure the valve in a fully opened
ing types and grades in accordance with the method of locking
or completely closed position.
and material used.
1.3 This specification does not apply to valves equipped
3.2 Types:
with locking devices from the valve manufacturer, unless this
3.2.1 Type I—Wire rope assembly (see Fig. 1 Fig. 2).
standard is invoked in the procurement ordering data for the
3.2.2 Type II—Handwheel latch (see Fig. 3 Fig. 4).
valve or its locking device, or both.
3.2.3 Type III—Locking shield (see Fig. 5).
1.4 This specification is intended to supercede NASEA
3.3 Grades:
drawing S4824-1385509. However, cancellation of that draw-
3.3.1 Grade A—Stainless steel, Specification A 167, Type
ing and adoption of this specification can only be effected by
316.
the navy.
3.3.2 Grade B—Anodized aluminum, Specification B 209,
2. Referenced Documents Alloy 5052.
3.3.3 Grade C—Carbon steel, commercial quality steel.
2.1 ASTM Standards:
A 36/A36M Specification for Carbon Structural Steel
4. Ordering Information
A 167 Specification for Stainless and Heat-Resisting
4 4.1 Orders for material under this specification shall include
Chromium-Nickel Steel Plate, Sheet, and Strip
the following:
A 492 Specification for Stainless Steel Rope Wire
4.2 ASTM Designation and year of issue.
A 668/A 668M Specification for Steel Forgings, Carbon
4.3 Type.
and Alloy, for General Industrial Use
4.4 Grade.
B 209 Specification for Aluminum and Aluminum-Alloy
4.5 Padlock Size (if necessary).
Sheet and Plate
4.6 Rubber Coating (if necessary).
B 580 Specification for Anodic Oxide Coatings on Alumi-
4.7 Necessary Dimensions:
num
4.7.1 Type I:
F 708 Practice for Design and Installation of Rigid Pipe
8 4.7.1.1 Length of wire strand.
Hangers
4.7.1.2 Diameter of pipe.
2.2 Other Documents:
4.7.2 Type II:
4.7.2.1 Maximum height (fully opened).
4.7.2.2 Minimum height (fully closed).
This specification is under the jurisdiction of ASTM Committee F-25 on Ships 4.7.2.3 Handwheel thickness.
and Marine Technology and is the direct responsibility of Subcommittee F25.13 on
4.7.2.4 Handwheel depth.
Piping Systems.
4.7.2.5 Diameter at location of attachment.
Current edition approved March 27, 1986. Published June 1986.
4.7.3 Type III:
This specification is intended to supersede NAVSEA Drawing S4824-1385509.
However, cancellation of that drawing and adoption of this specification can only be
4.7.3.1 Depth.
effected by the Navy.
4.7.3.2 Height.
Annual Book of ASTM Standards, Vol 01.04.
Annual Book of ASTM Standards, Vol 01.03.
Annual Book of ASTM Standards, Vol 01.05.
Available from American National Standards Institute, 11 W. 42nd St., 13th
Annual Book of ASTM Standards, Vol 02.02.
Floor, New York, NY 10036.
Annual Book of ASTM Standards, Vol 02.05.
Available from American Welding Society, 550 N.W. LeJeune Rd., Miami, FL
Annual Book of ASTM Standards, Vol 01.07.
33126.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
F 993
FIG. 1 Type I—Wire Rope Assembly
FIG. 2 Miscellaneous Type I Details
4.7.3.3 Width. 5.1.1 Type I Materials:
4.7.3.4 Outside diameter (OD) of pipe.
5.1.1.1 Pipe Clamp—Indicate diameter, similar to Practice
F 708, Fig. 1, material specified by grade.
5. Materials and Manufacture
5.1.1.2 Ring Link—Size to be not less than clearance shown
5.1 Materials:
F 993
FIG. 3 Type II—Handwheel Latch
in Practice F 708, Table 3, Column F, material specified by 5.1.3.3 Lanyard—Wire rope, ⁄8-in. diameter, seven strands
grade. of seven wires each, 12 in. long, stainless steel, Specification
5.1.1.3 Common Wire Strand— ⁄16-in. diameter, seven A 492, Alloy 316.
stran
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