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ASTM A74-21

Standard Specification for Cast Iron Soil Pipe and Fittings

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NORMA vydána dne 1.3.2021

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Informace o normě:

Označení normy: ASTM A74-21
Datum vydání normy: 1.3.2021
Kód zboží: NS-1019440
Počet stran: 45
Přibližná hmotnost: 135 g (0.30 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Kovové fitinky

Anotace textu normy ASTM A74-21 :

This specification covers cast gray iron soil pipe and fittings for use in gravity flow plumbing, drain, waste and vent sanitary, and storm water applications. These pipe and fittings are not intended for pressure applications. The cast iron shall be produced by an established commercial method that provides control over chemical and physical properties. Castings shall be sound, true to pattern, and of compact close grain that permits drilling and cutting by ordinary methods and its interior surface shall be reasonably smooth and free from defects. Ferrous scrap, pig iron, and any recycled ferrous material to be used in the melting operation shall be screened for radioactivity. Tension test shall include breaking load, machined diameter, and tensile strength. Chemical test shall conform to the chemical composition requirements prescribed for phosphorous, sulfur, chromium, titanium, aluminum, lead, and carbon equivalent. Dimension requirements for hub, spigot, barrel, grooves, water seal and trap, and threads of the pipe and fittings are detailed. The pipe and fittings shall be uniformly coated with a material suitable for the purpose.

Keywords:
cast iron, fitting, hub and spigot pipe, pipe, soil pipe,, ICS Number Code 23.040.40 (Metal fittings)

Doplňující informace

1. Scope

1.1?This specification covers cast iron soil pipe and fittings for use in gravity flow plumbing, drain, waste and vent sanitary, and storm water applications. It establishes standards covering material, manufacture, mechanical and chemical properties, coating, test methods, inspection, certification, product markings, dimensions, and dimensional tolerances for extra-heavy and service cast iron soil pipe and fittings. These pipe and fittings are not intended for pressure applications as the selection of the proper size for sanitary drain, waste, vent, and storm drain systems allows free air space for gravity drainage.

1.2?This specification covers pipe and fittings of the following patterns and, when so designated, shall apply to any other patterns that conform with the dimensions found in Tables 1 and 2 and all other applicable requirements given in this specification.

1.2.1?Pipe:

Tables

Extra heavy, 2¹/₂?ft (0.75 m), 3¹/₂?ft (1.0 m), 5 ft (1.5 m), 10 ft (3.0 m) lengths

1, 2

Service, 2¹/₂?ft (0.75 m), 3¹/₂?ft (1.0 m), 5 ft (1.5 m), 10 ft (3.0 m)

1, 2

Outside dimensions (for detailing)

X1.1

1.2.2?Fittings:

Tables

¹/₄?bends; long ¹/₄?bends

3, 4

¹/₄?bends, long low-hub

¹/₄?bends, low heel; high heel

6, 7

¹/₄?bends, short sweep; long sweep

¹/₄?bends, reducing long sweep

¹/₅?bends

¹/₆?bends

¹/₈?bends; long ¹/₈?bends

¹/₁₆?bends

Y branches

12, 13

Y branches, combination ¹/₈?bends, single

Y branches, combination ¹/₈?bends, double

Sanitary T branches, single

Sanitary T branches, double

Sanitary T branches, cleanout

Tapped sanitary T branches, single

Tapped sanitary T branches, double

T branches, single and double

Tapped T branches, single

Tapped T branches, double

T branches, cleanout

-45? offset fitting

Double hubs

Long double hubs

Reducers

Increasers

24, 25

P traps

26, 27

Deep seal P traps

Running traps

Screw plugs (brass)

Blind plugs

Iron-body ferrules

Side inlets

Fig. 3

Closet bends

Tapping bosses

Reducing ¹/₄?bend SV

Combination Y and ¹/₈?bend

H branch fitting

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.

1.4?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.

2. Referenced Documents

D3960-05(2018)	Standard Practice for Determining Volatile Organic Compound (VOC) Content of Paints and Related Coatings
E8-04	Standard Test Methods for Tension Testing of Metallic Materials
MIL-STD-129	Marking for Shipment and Storage
A48/A48M-22	Standard Specification for Gray Iron Castings
A644-17	Standard Terminology Relating to Iron Castings
D1248-16	Standard Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable
E1645-21	Standard Practice for Preparation of Dried Paint Samples by Hotplate or Microwave Digestion for Subsequent Lead Analysis
B1.20	Pipe Threads
E2349-19	Standard Practice for Safety Requirements in Metal Casting Operations: Sand Preparation, Molding, and Core Making; Melting and Pouring; and Cleaning and Finishing
Fed. Std. No. 123	Marking for Shipment (Civil Agencies)

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