ASTM A74-17 PDF

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 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

5

1/4 bends, low heel; high heel

6, 7

1/4 bends, short sweep; long sweep

8

1/4 bends, reducing long sweep

9

1/5 bends

10

1/6 bends

10

1/8 bends; long 1/8 bends

11

1/16 bends

11

Y branches

12, 13

Y branches, combination 1/8 bends, single

14

Y branches, combination 1/8 bends, double

14

Sanitary T branches, single

15

Sanitary T branches, double

15

Sanitary T branches, cleanout

16

Tapped sanitary T branches, single

17

Tapped sanitary T branches, double

17

T branches, single and double

18

Tapped T branches, single

19

Tapped T branches, double

19

T branches, cleanout

20

-45° offset fitting

21

Double hubs

22

Long double hubs

22

Reducers

23

Increasers

24, 25

P traps

26, 27

Deep seal P traps

28

Running traps

29

Screw plugs (brass)

30

Blind plugs

31

Iron-body ferrules

32

Side inlets

Fig. 3

Closet bends

33

Tapping bosses

34

Reducing 1/4 bend SV

35

Combination Y and 1/8 bend

36

‘H' branch fitting

37

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.

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Number of Pages :	45
Published :	10/01/2017
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