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Awwa Flanges

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METAL-KOREA 83 GENERAL SPECIFICATIONS Class B & D Flanges Table 2 Class D Flanges Table 3 Class E Flanges Table 4 AWWA FLANGES Grneral Specifications Dimension Tolerance in Bore +1/16 -0 Outside diameter ±1/8 Thickness 18 in and smaller +1/8 -0 20 in and smaller +3/16 -0 Length through Hub +3/16 -1/16 Bolt Circle Diameter ±1/16 AWWA C207 FLANGES 1. Standard Finishes for Contact Face of AWWA Flange Flanges of all classes shall be flat faced-that is, without projection or raised face. The dimensions given for thickness are minimum. the flanges shall be faced smooth or may have a serrated finish of approximately 32 serrations per inch, approximately 1/64 in. deep. Serrations may be either spiral or concentric. 3. Bolting Bolts and nuts shall be carbon steel ASTM A307, Grades A or B. Bolts shall have regular unfinished square or hexagonal heads, and nuts shall have regular square or hexagonal dimensions all in accordance with ANSI B 18.21 for wrench head bolts and nuts and wrench openings. All bolts and nuts shall be threaded in accordance with ANSI B1.1 for screw threads, coares-thread series, Class 2A and 2B fit. Note; For other dimensional tolerances, see ANSI B16.5, page 49. 4. Gaskets These standards are predicated on the user of either a cloth-inserted rubber gasket 1/16 in. thick or an absestos ring gasket that is either 1/16 in. or 1/8 in. thick, at the purchaser's option; The gasket shall extend from the inside diameter or the flange to at least the inside edge of the bolt holes, or it may. 2. Dimensional Tolerances for AWWA Flanges 82 M E T A L - K O R E A F L A N G E S
Transcript
Page 1: Awwa Flanges

METAL-KOREA 83

GENERAL SPECIFICATIONS

Class B & D Flanges Table 2Class D Flanges Table 3Class E Flanges Table 4

AWWAFLANGES

Grn

eral Sp

ecifica

tions

DDiimmeennssiioonn TToolleerraannccee iinn

Bore +1/16 -0

Outside diameter ±1/8

Thickness 18 in and smaller +1/8 -0

20 in and smaller +3/16 -0

Length through Hub +3/16 -1/16

Bolt Circle Diameter ±1/16

AWWA C207 FLANGES

11.. SSttaannddaarrdd FFiinniisshheess ffoorr CCoonnttaacctt FFaaccee ooff AAWWWWAA FFllaannggee

Flanges of all classes shall be flat faced-that is, without projection or raised face. The dimensions given forthickness are minimum. the flanges shall be faced smooth or may have a serrated finish of approximately 32serrations per inch, approximately 1/64 in. deep. Serrations may be either spiral or concentric.

33.. BBoollttiinngg

Bolts and nuts shall be carbon steel ASTM A307, Grades A or B. Bolts shall have regular unfinished square or hexagonal heads, and nuts shall have regular square or hexagonal dimensions all in accordance with ANSI B 18.21 for wrench head bolts and nuts and wrench openings.All bolts and nuts shall be threaded in accordance with ANSI B1.1 for screw threads, coares-thread series,Class 2A and 2B fit.

Note; For other dimensional tolerances, see ANSI B16.5, page 49.

44.. GGaasskkeettss

These standards are predicated on the user of either a cloth-inserted rubber gasket 1/16 in. thick or anabsestos ring gasket that is either 1/16 in. or 1/8 in. thick, at the purchaser's option; The gasket shallextend from the inside diameter or the flange to at least the inside edge of the bolt holes, or it may.

22.. DDiimmeennssiioonnaall TToolleerraanncceess ffoorr AAWWWWAA FFllaannggeess

82

M E T A L - K O R E A F L A N G E S

Page 2: Awwa Flanges

METAL-KOREA 8584 METAL-KOREA

CLASS B & D FLANGES TABLE 3

CLASS B & D FLANGES TABLE 2

Nominal

Pipe

Size

Thickness LengthThrough

Hub

BoreDRILLING

D B t T X C

Diam. ofBolt Holes

Diam. ofHub

at BaseNumberof Holes

BoltCircleDiam.

Notes:(1) For standard finishes for contact face, refer to apge 48.(2) For Slip-on Flanges, (Hub Type Flanges), the hubs can be shaped either vertical from base to top or tapered within the limits of 7 degrees.(3) The 'Bore' (B) shall be 3/16 in. larger than the nominal outside diameter of the pipe, unless otherwise specified.

Outside

Diam.

Class B Class D

SLIP-ON

4 9 4.57 1/2 7/8 55/16 71/2 8 3/4 3/4

5 10 5.66 9/16 11/4 65/16 81/2 8 3/4 7/8

6 11 6.72 9/16 11/4 79/16 91/2 8 3/4 7/8

8 131/2 8.72 9/16 11/4 911/16 113/4 8 3/4 7/8

10 16 10.88 11/16 11/4 12 141/4 12 3/4 112 19 12.88 11/16 11/4 143/8 17 12 3/4 114 21 14.19 3/4 11/4 153/4 183/4 12 7/8 11/816 231/2 16.19 3/4 11/4 18 211/4 16 7/8 11/818 25 18.18 3/4 11/4 197/8 223/4 16 7/8 11/420 271/2 20.19 3/4 11/4 22 25 20 7/8 11/422 291/2 22.19 1 13/4 241/4 271/4 20 7/8 13/824 32 24.19 1 13/4 261/8 291/2 20 7/8 13/826 341/4 26.19 1 13/4 281/2 314/3 24 7/8 13/828 361/2 28.19 1 13/4 301/2 34 28 7/8 13/830 383/4 30.19 1 13/4 321/2 36 28 1 13/832 413/4 32.19 11/8 13/4 343/4 382/1 28 1 15/834 433/4 34.19 11/8 13/4 363/4 402/1 32 1 15/836 46 36.19 11/8 13/4 383/4 423/4 32 1 15/838 483/4 38.19 11/8 13/4 403/4 451/4 32 1 15/840 503/4 40.19 11/8 13/4 43 471/4 36 1 15/842 53 42.19 11/4 13/4 45 492/1 36 11/8 15/844 551/4 44.19 11/4 21/4 47 513/4 40 11/8 15/846 571/4 46.19 11/4 21/4 49 533/4 40 11/8 15/848 591/2 48.19 13/8 21/2 51 56 44 11/8 15/850 613/4 50.19 13/8 21/2 53 581/4 44 11/4 17/852 64 52.19 13/8 21/2 55 601/2 44 11/4 17/854 661/4 54.19 13/8 21/2 57 623/4 44 13/8 17/860 73 60.19 11/2 23/4 63 691/4 52 13/8 17/866 80 66.19 11/2 23/4 69 76 52 13/8 17/872 861/2 72.19 11/2 23/4 75 821/2 60 13/8 17/878 93 78.19 13/4 3 811/4 89 64 15/8 21/884 993/4 84.19 13/4 3 871/2 951/2 64 15/8 21/890 1061/2 90.19 2 31/4 933/4 102 68 17/8 23/896 1131/4 96.19 2 31/4 100 1081/2 72 21/8 25/8102 120 102.19 21/4 31/2 1053/4 1141/2 72 21/8 25/8108 1263/4 108.19 21/4 31/2 1111/2 1203/4 72 21/8 25/8114 1331/2 114.19 21/2 33/4 1173/4 1263/4 76 23/8 27/8120 1401/4 120.19 21/2 33/4 124 1323/4 76 23/8 27/8

AWWA C207

Nominal

Pipe

Size

ThicknessBoreDRILLING

D B Class B(t) Class D(t) C

BoltCircleDiam.

Diam. ofBolt Holes

Notes:(1) The 'Bore' (B) shall be 3/16 in. larger than the nominal outside diameter of the pipe, unless otherwise specified.

Numberof

Holes

Outside

Diam.

Class B Class D

SLIP-ON BLIND

4 9 4.57 5/8 5/8 71/2 8 3/4 3/4

5 10 5.66 5/8 5/8 81/2 8 3/4 7/8

6 11 6.72 11/16 11/16 91/2 8 3/4 7/8

8 131/2 8.72 11/16 11/16 113/4 8 3/4 7/8

10 16 10.88 11/16 11/16 141/4 12 3/4 112 19 12.88 11/16 13/16 17 12 3/4 114 21 14.19 11/16 15/16 183/4 12 7/8 11/816 231/2 16.19 11/16 1 211/4 16 7/8 11/818 25 18.18 11/16 11/16 223/4 16 7/8 11/420 271/2 20.19 11/16 11/8 25 20 7/8 11/422 291/2 22.19 3/4 13/16 271/4 20 7/8 13/624 32 24.19 3/4 11/4 291/2 20 7/8 13/826 341/4 26.19 13/16 15/16 313/4 24 7/8 13/828 361/2 28.19 7/8 15/16 34 28 7/8 13/830 383/4 30.19 7/8 13/8 36 28 1 13/832 413/4 32.19 15/16 11/2 381/2 28 1 15/834 433/4 34.19 15/16 11/2 401/2 32 1 15/836 46 36.19 1 15/8 423/4 32 1 15/838 483/4 38.19 1 15/8 451/4 32 1 15/840 503/4 40.19 1 15/8 471/4 36 1 15/842 53 42.19 11/8 13/4 491/2 36 11/8 15/844 551/4 44.19 11/8 13/4 513/4 40 11/8 15/846 571/4 46.19 11/8 13/4 533/4 40 11/8 15/848 591/2 48.19 11/4 13/4 56 44 11/8 15/850 613/4 50.19 11/4 2 581/4 44 11/4 17/852 64 52.19 11/4 2 601/2 44 11/4 17/954 661/4 54.19 13/8 21/6 623/4 44 13/4 17/860 73 60.19 11/2 21/4 691/4 52 13/8 17/866 80 66.19 15/8 21/2 76 52 13/8 17/872 861/2 72.19 13/4 25/8 821/2 60 13/8 17/878 93 78.19 2 23/4 89 64 15/8 21/884 993/4 84.19 2 23/4 951/2 64 15/8 21/890 1061/2 90.19 21/4 3 102 68 17/8 23/896 1131/4 96.19 21/4 3 1081/2 68 17/8 23/8102 120 102.19 21/2 31/4 1141/2 72 21/8 25/8108 1263/4 108.19 21/2 31/4 1203/4 72 21/8 25/8114 1331/2 114.19 23/4 31/2 1263/4 76 23/8 27/8120 1401/4 120.19 23/4 31/2 1323/4 76 23/8 27/8

Unit:mmUnit:mm

AWWA Standard Steel Ring Flanges, Class B (86 psi)and Class D (175-150 psi)

Page 3: Awwa Flanges

86 METAL-KOREA

CLASS E FLANGES TABLE 4

AWWA C207

Nominal

Pipe

Size

Thickness LengthThrough

Hub

BoreDRILLING

D B t T X C

BoltCircle Diam.

Diam. ofBolt Holes

Diam. of Hub

at Base

Notes:(1) The 'Bore' (B) shall be 3/16 in. larger than the nominal outside diameter of the pipe, unless otherwise specified.

Numberof Holes

Outside

Diam.

4 9 4.57 15/16 15/16 55/16 71/2 8 3/4

5 10 5.66 15/16 17/16 67/16 81/2 8 7/8

6 11 6.72 1 19/16 79/16 91/2 8 7/8

8 131/2 8.72 11/8 13/4 911/16 113/4 8 7/8

10 16 10.88 15/16 115/16 12 141/4 12 112 19 12.88 11/4 23/16 143/8 17 12 114 21 14.19 13/8 21/4 153/4 183/4 12 11/816 231/2 16.19 17/16 21/2 18 211/4 16 11/818 25 18.18 19/16 211/16 197/8 223/4 16 11/420 271/2 20.19 111/16 27/8 22 25 20 11/422 291/2 22.19 113/16 31/8 24 271/4 20 13/824 32 24.19 17/8 31/4 261/8 291/2 20 13/826 341/4 26.19 2 33/8 281/2 314/3 24 13/828 361/2 28.19 21/16 37/16 303/4 34 28 13/830 383/4 30.19 21/8 31/2 323/4 36 28 13/832 413/4 32.19 21/4 35/8 35 381/2 28 15/834 433/4 34.19 25/16 311/16 37 401/2 32 15/836 46 36.19 23/8 33/4 391/4 423/4 32 15/838 483/4 38.19 23/8 33/4 413/4 451/4 32 15/840 503/4 40.19 21/2 37/8 433/4 471/4 36 15/842 53 42.19 25/8 4 46 491/2 36 15/844 551/4 44.19 25/8 4 48 513/4 40 15/846 571/4 46.19 211/16 41/16 50 533/4 40 15/848 591/2 48.19 23/4 41/8 521/4 56 44 15/850 613/4 50.19 23/4 41/8 541/4 581/4 44 17/852 64 52.19 27/8 41/4 561/2 601/2 44 17/854 661/4 54.19 3 43/8 583/4 623/4 44 17/860 73 60.19 31/8 41/2 651/4 691/4 52 17/866 80 66.19 33/8 47/8 711/2 76 52 17/872 861/2 72.19 31/2 5 781/2 831/2 60 17/878 93 78.19 37/8 53/8 841/2 89 64 21/884 993/4 84.19 37/8 53/8 901/2 951/2 64 21/890 1061/2 90.19 41/4 53/4 963/4 102 68 23/896 1131/4 96.19 41/4 53/4 1023/4 1081/2 68 23/8102 120 102.19 45/8 61/8 1083/4 1141/2 72 25/8108 1263/4 108.19 45/8 61/8 1141/2 1203/4 72 25/8114 1331/2 114.19 5 61/4 1211/4 1263/4 76 27/8120 1401/4 120.19 5 61/2 128 1323/4 76 27/8

Unit:mm

SLIP-ON

AWWA Standard Steel Hub Flanges, Class E (275 psi)


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