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This specification covers mechanical end-face seals for centrifugal and positive displacement pumps for shipboard use. Mechanical seals shall be classified by type, grade, and class. Types: type A - inside single mounted seals, type B - outside single mounted seals, type C - double seals, type D - tandem seals, type E - gas seal, and type F - special arrangement/applications vacuum or gas seal. Grades: grade 1 - basic end face seal, grade 2 - cartridge seal, and grade 3 - split seal. Classes: class 0 - nonsplit seal assembly, class 1 - partial split seal assembly, solid gland, class 2 - partial split seal assembly, split gland, class 3 - fully split seal assembly, solid gland, and class 4 - fully split seal assembly, split gland. Seal life shall be defined in terms of the time period in which the mechanical seal functions properly under its specified service.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers mechanical end-face seals for centrifugal and positive displacement pumps for shipboard use.
1.2 The following types of seals are not included in this specification: lip seals, oil seals, circumferential seals, or labyrinth seals.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. A companion hard metric standard is in the process of preparation.
1.4 Special requirements for U.S. Navy Shipboard Pump Applications are included in Supplement S1.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A108 Specification for Steel Bar, Carbon and Alloy, Cold-Finished
A182/A182M Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A276 Specification for Stainless Steel Bars and Shapes
A313/A313M Specification for Stainless Steel Spring Wire
A351/A351M Specification for Castings, Austenitic, for Pressure-Containing Parts
A436 Specification for Austenitic Gray Iron Castings
A494/A494M Specification for Castings, Nickel and Nickel Alloy
A564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
A579/A579M Specification for Superstrength Alloy Steel Forgings
A693 Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
A744/A744M Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service
B62 Specification for Composition Bronze or Ounce Metal Castings
B127 Specification for Nickel-Copper Alloy (UNS N04400) Plate, Sheet, and Strip
B164 Specification for Nickel-Copper Alloy Rod, Bar, and Wire
B166 Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, N06045, and N06696), Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617), and Nickel-Iron-Chromium-Tungsten Alloy (UNS N06674) Rod, Bar, and Wire
B168 Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, N06045, and N06696), Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617), and Nickel-Iron-Chromium-Tungsten Alloy (UNS N06674) Plate, Sheet, and Strip
B271 Specification for Copper-Base Alloy Centrifugal Castings
B333 Specification for Nickel-Molybdenum Alloy Plate, Sheet, and Strip
B335 Specification for Nickel-Molybdenum Alloy Rod
B338 Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
B348 Specification for Titanium and Titanium Alloy Bars and Billets
B367 Specification for Titanium and Titanium Alloy Castings
B443 Specification for Nickel-Chromium-Molybdenum-Columbium Alloy(UNS N06625) and Nickel-Chromium-Molybdenum-SiliconAlloy (UNS N06219) Plate, Sheet, and Strip
B446 Specification for Nickel-Chromium-Molybdenum-Columbium Alloy (UNS N06625), Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219), and Nickel-Chromium-Molybdenum-Tungsten Alloy (UNS N06650) Rod and Bar
B472 Specification for Nickel Alloy Billets and Bars for Reforging
B473 Specification for UNS N08020, UNS N08024, and UNS N08026 Nickel Alloy Bar and Wire
B505/B505M Specification for Copper Alloy Continuous Castings
B584 Specification for Copper Alloy Sand Castings for General Applications
B637 Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
B670 Specification for Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service
D1141 Practice for the Preparation of Substitute Ocean Water
D1418 Practice for Rubber and Rubber Latices--Nomenclature
D3294 Specification for Polytetrafluoroethylene (PTFE) Resin Molded Sheet and Molded Basic Shapes
D3951 Practice for Commercial Packaging
SAE StandardsAMS 3216 Fluorocarbon (FKM) Rubber, High-Temperature--Fluid Resistant, Low Compression, Set 70 to 80 AMS 3218 Fluorocarbon (FKM) Rubber, High-Temperature--Fluid Resistant, Low Compression, Set 85 to 95 AMS 7259 Rings, Sealing, Fluorocarbon (FKM) Rubber High-Temperature--Fluid Resistant Low Compression Set 85 to 95 AMS 7276 Rings, Sealing, Fluorocarbon (FKM) Rubber High-Temperature--Fluid Resistant Low Compression Set 70 to 80 J1926-1 Standard Dimensions for Gasket Seal Straight Thread Tube Fitting
Other DocumentDS56I Metals and Alloys in the Unified Numbering System
Military StandardsMIL-P-16789 Packaging of Pumps, Including Prime Movers and Associated Repair Parts MIL-S-901 Shock Tests, H.I. (High Impact); Shipboard Machinery, Equipment & Systems, Requirements for MIL-STD-167-1 Environmental Vibration Testing
ANSI StandardsANSIY14.1 Drawing Sheet Size and Format ANSIY14.26.3 Computer-Aided Preparation of Production Definition Data, Terms and Definitions ANSIY14.2 Line Convention and Lettering ANSIY14.3 Multi and Sectional View Drawings ANSIY14.5 Dimensioning and Tolerancing for Engineering Drawings ANSIY14.6 Screw Thread Representation
ISO StandardISO 9001 Quality Systems--Model for Quality Assurance in Design/Development, Production, Installation, and Service
ASQ StandardsASQCZ1.4 American Society of Quality, Quality Conformance Inspection
ICS Number Code 47.020.30 (Piping systems)
UNSPSC Code 25110000(Marine transport)