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Forged Fitting Pressure Rating

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Class 3000 Threaded Fittings Pressure Rating

Description Class Designation
Class 3000 Class 6000 Class 9000
Elbows 45 and 90 degrees,
Tees, Crosses, Couplings,
Half-Couplings,
End or Pipe Caps		 1/2 - 4 1/2 - 2 1/2 - 2
1/2 - 4 1/2 - 2 1/2 - 2
1/2 - 4 1/2 - 2 1/2 - 2
Pipe Size
by Wall Thickness		 SCH 80 / XS SCH 160 XXS

High Pressure Class 3000 Fittings Dimensions

(NPS) Nominal Pipe Size Centre to End Elbows, Tees, Crosses A Centre to End 45 Deg Elbows C O.D. of Band H Min. Wall Thickness G Lengths of Thread Minimum
2000# 3000# 6000# 2000# 3000# 6000# 2000# 3000# 6000# 2000# 3000# 6000# B L2
1/8 13/16 13/16 31/32 11/16 11/16 3/4 7/8 7/8 1 .125 .125 .250 .25 .2639
1/4 13/16 31/32 1-1/8 11/16 3/4 7/8 7/8 1 1-5/16 .125 .130 .260 .32 .4018
3/8 3/32 1-1/8 1-5/16 3/4 7/8 1 1 1-5/16 1-1/2 .125 .138 .275 .36 .4078
1/2 1-1/8 1-5/16 1-1/2 7/8 1 1-1/8 1-5/16 1-1/2 1-13/16 .125 .161 .321 .43 .5337
3/4 1-5/16 1-1/2 1-3/4 1 1-1/8 1-5/16 1-1/2 1-13/16 2-3/16 .123 .168 .336 .50 .5457
1 1-1/2 1-3/4 2 1-1/8 1-5/16 1-3/8 1-13/16 2-3/16 2-7/16 .145 .196 .391 .58 .6828
1-1/4 1-3/4 2 2-3/8 1-15/16 1-3/8 1-11/16 2-3/16 2-7/16 2-31/32 .153 .208 .417 .67 .7068
1-1/2 2 2-3/8 2-1/2 1-3/8 1-11/16 1-23/32 2-7/16 2-31/32 3-5/16 .158 .218 .436 .70 .7235
2 2-3/8 2-1/2 3-3/4 1-11/16 1-23/32 2-1/16 2-31/32 3-5/16 4 .168 .238 .476 .75 .7565
2-1/2 3 3-1/4 3-3/4 2-1/16 2-1/16 2-1/2 3-5/8 4 4 .221 .301 .602 .932 1.138
3 3-3/8 3-3/4 4-3/16 2-1/2 2-1/2 3-1/8 4-5/16 4-3/4 4-3/4 .236 .327 .655 1.016 1.200
4 3-3/16 4-1/2 4-1/2 3-1/8 3-1/8 3-1/8 5-3/4 5 6 .258 .368 .735 1.094 1.300

BSPP Class 3000 Fittings Wall Thickness

(NPS) Normal Pipe Sizes Socket, Bore Diameter B Depth of Socket, Minimum Wall Thickness Minimum Bore Dia. of Fitting D Centre to Bottom of Socket Laying Lengths Tolerances, ±
3000# 6000# 90º Elbow, Tees & Pipe Cross 45º Ell NPT Couplings Half / Full Couplings
A A E F A E F
Sock, C Body G Sock C Body G 3000# 6000# 3000# 6000# 3000# 6000#
1/8” .420

.430

 3/8 .125 .095 .135 .124 .254

.284

 .141 7/16 7/16 5/16 5/16 1/4 5/8 .03 .06 .03
1/4 .555

.565

 3/8 .130 .119 .158 .145 .349

.379

 .235 7/16 17/32 5/16 5/16 1/4 5/8 .03 .06 .03
3/8 .690

.700

 3/8 .138 .126 .172 .158 .478

.508

 .344 17/32 5/8 5/16 7/16 1/4 11/16 .06 .12 .06
1/2 .855

.865

 3/8 .161 .147 .204 .188 .607

.637

 .451 5/8 3/4 7/16 1/2 3/8 7/8 .06 .12 .06
3/4 1.065

1.075

 1/2 .168 .154 .238 .219 .809

.839

 .599 3/4 7/8 1/2 9/16 3/8 15/16 .06 .12 .06
1 1.330

1.340

 1/2 .196 .179 .273 .250 1.034

1.064

 .800 7/8 1-1/16 9/16 11/16 1/2 1-1/8 .08 .16 .08
1-1/4 1.675

1.685

 1/2 .208 .191 .273 .250 1.365

1.395

 1.145 1-1/16 1-1/4 11/16 13/16 1/2 1-3/16 .08 .16 .08
1-1/2 1.915

1.925

 1/2 .218 .200 .307 .281 1.595

1.625

 1.323 1-1/4 1-1/2 13/16 1 1/2 1-1/4 .08 .16 .08
2 2.406

2.416

 5/8 .238 .218 .374 .344 2.052

2.082

 1.674 1-1/2 1-5/8 1 1-1/8 3/4 1-5/8 .08 .16 .08
2-1/2 2.906

2.921

 5/8 .301 .276 .375 2.439

2.499

 1-5/8 1-1/8 3/4 1-11/16 .10 .20 .10
3 3.535

3.550

 5/8 .327 .300 .438 3.038

3.098

 2-1/4 1-1/4 3/4 1-3/4 .10 .20 .10
4 4.545

4.560

 3/4 .368 .337 .531 3.996

4.055

 2-5/8 1-5/8 3/4 1-7/8 .10 .20 .10

Socket Weld / Threaded Class 3000 Fittings Weight

Product Name Working Press. 1/4” 3/8” 1/2” 3/4” 1” 1-1/4” 1-1/2” 2” # Per 100 pcs
90º Elbow Socket Weld 3000# 22 29 53 86 139 198 286 400
90º Elbow
Threaded		 3000# 29 53 86 139 198 286 400 1452
45º Elbow Socket Weld 3000# 22 38 53 86 139 198 374 396
45º Elbow Threaded 3000# 29 53 86 139 198 374 600 800
Tees Socket Weld 3000# 31 40 73 106 158 220 317 572
Tees Threaded 3000# 40 73 106 158 220 317 512 2090
Union Threaded
Union Socket Weld
Coupling Socket Weld 3000# 9 18 26 40 92 152 229 462
Coupling Threaded 3000# 9 18 26 40 92 152 229 462
Cap Socket Weld 3000# 11 13 24 37 62 114 147 297
Cap Threaded 3000# 11 13 24 37 62 114 147 297
Hex
Head Plugs		 3000# 4 7 18 26 48 86 99 198
Square
Head Plugs		 3000# 2 4 9 18 33 57 73 136
Hex Bushing 3000# 7 7 9 13 18 42 44 136
Flush
Bushing		 3000# 4 4 7 9 15 33 37 132

6000 Lb Pipe Fittings Tolerance Chart

Nominal Pipe Diameter All Fittings 90 Deg / 45 Deg Elbow, Lateral Tee, Cross Coupling Half Coupling Reducing insert Union (Socket Or Thread)
Socket Bore Water Way Bore Center To Bottom of Socket Laying Lengths Laying Lengths Length Assem Nominal
DN Normal Pipe Size d1 d2 A H E F L
6-8 1/8-1/4 – – ±0.8 ±1.5 ±0.8 ±1.5
10-20 3/8-3/4 +0.3/0 ±0.4 ±1.5 ±3 ±1.5 ±1.5
25-50 1-2 – – ±2 ±4 ±2 ±1.5
65-100 2 1/2-4 +0.4/0 ±0.8 ±2.5 ±5 ±2.5 ±1.5
#

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Know More About Forged Fittings

What is the difference between Class 3000 and Class 6000 fittings?

What is the difference between Class 3000 and Class 6000 fittings?


The fitting's class indicates the highest pressure that the device is permitted to sustain. Schedule 80/XS pipes are fitted with Class 3000 fittings, Sch. 160 pipes with Class 6000 fittings, and XXS pipes with Class 9000 fittings.

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