CAST IRON THREADED FITTINGS
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INCHES/METRICCASTIRONTHREADED FITTINGS
• 2 •INDEX
CASTIRON THREADED FITTINGS
PAGE
90˚ ELBOWS
CLASS 125 C.I.4
90˚ REDUCING ELBOWS
CLASS 125 C.I.4
45˚ ELBOWS
CLASS 125 C.I.5
TEES
CLASS 125 C.I.5
REDUCING TEES
CLASS 125 C.I.6
REDUCING COUPLINGS
CLASS 125 C.I. concentric & eccentric9
• 3 •STANDARDS
CCTF CASTIRON FITTINGSare designed to conform with the following industry standards:
MATERIAL:ASTM A126Gray Iron Castings
ASTM A153Zinc Coatings
DIMENSIONS:ANSI/ASME B 16.4Cast Iron Threaded Fittings
ASME B 16.14Ferrous Pipe Plugs, Bushings, etc.
THREADS:ANSI/ASME B1.20.1Pipe Threads
IDENTIFICATION, MARKING
Each fitting shall be marked with manufacturer’s name or trademark.Class 125 Cast Iron threaded fittings have no pressure class markings.
THREADING
All fittings shall be threaded with American National Standard Pipe Threads (ANSI/ASME B1.20.1) and shall
have taper threads, except wrought couplings and wrought caps in sizes 1/8, 1/4, 3/8 and 1/2, which may havestraight threads.
CONVERSION FACTORS
The International System (SI) metric equivalent of British units are shown throughout this catalogue.
NPS (Nominal Pipe Size)= DN* (Nominal Diameter)
Operating Pressure Class= PN* (Pressure Number)
1 inch= 25.4 millimetres
1 pound, weight= 0.4536 kilograms
1 pound, pressure= 0.06895 bars
*From the SI designations, Diamètre Nominal and Pression Nominale.
114.5 psi = 1 bar = 100 kPa.
2Permissible for service temperature up to 353˚F, reflecting the temperature ofsaturated steam at 125 psig.
*All CCTF iron fittings are air pressure tested under water.*PRESSURE-TEMPERATURE RATINGS
CAST IRON - ANSI/ASME B 16.4
TemperatureClass 1251psiDegrees CDegrees F
-29 to 66-200 to 150175
93200165
121250150
149300140
1773501252
• 4 •CLASS 125
CASTIRON
THREADED FITTINGS
ANSI/ASME B16.4
ASTM A126INCHES
MILLIMETRES
POUNDS
KILOGRAMS90˚ ELBOWS
AAPPROX.WEIGHTSIZEDIMENSION
NPSDN90˚ REDUCING ELBOWS
ZXAPPROX.WEIGHTSIZEDIMENSIONS
NPSDN
1/4.81.16
620.6.07
3/8.95.25
1024.1.11
1/21.12.40
1528.5.18
3/41.31.60
2033.3.27
11.50.92
2538.1.42
1 1/41.751.4
3244.5.64
1 1/21.942.0
4049.3.91
22.253.1
5057.21.4
2 1/22.704.9
6568.62.2
33.087.2
8078.23.3
3 1/23.429.7
9086.94.4
43.7912.2
10096.35.5
54.5021.5
125114.39.8
65.1331.3
150130.314.21/2 x 3/81.041.03.34
15 x 1026.426.2.15
3/4 x 1/21.201.22.51
20 x 1530.531.0.23
*3/4 x 1/81.081.13.38
*20 x 326.928.7.17
1 x 3/41.371.45.76
25 x 2034.836.8.34
1 x 1/21.261.36.67
25 x 1532.035.5.30
*1 x 1/81.131.31.54
*25 x 328.733.3.24
1 1/4 x 11.581.671.2
32 x 2540.142.4.54
1 1/4 x 3/41.451.621.0
32 x 2036.841.2.46
1 1/4 x 1/21.341.531.1
32 x 1534.038.9.50
1 1/2 x 1 1/41.821.881.7
40 x 3246.247.8.77
1 1/2 x 11.651.801.4
40 x 2541.945.7.64
1 1/2 x 3/41.521.751.6
40 x 2038.644.4.73
2 x 1 1/22.022.162.6
50 x 4051.354.91.2
2 x 1 1/41.902.102.3
50 x 3248.353.31.0
2 x 11.732.022.1
50 x 2543.951.3.95
2 x 3/41.601.972.2
50 x 2040.650.01.0
2 1/2 x 22.392.604.0
65 x 5060.766.01.8
2 1/2 x 1 1/22.162.513.7
65 x 4054.963.81.7
2 1/2 x 1/142.042.453.4
65 x 3251.862.21.590˚ REDUCING ELBOWS
ZXAPPROX.WEIGHTSIZEDIMENSIONS
NPSDN
2 1/2 x 11.872.372.9
65 x 2547.560.21.3
3 x 2 1/22.832.996.4
80 x 6571.976.02.9
3 x 22.522.895.4
80 x 5064.073.42.4
3 x 1 1/22.292.805.7
80 x 4058.271.12.6
3 1/2 x 33.183.339.0
90 x 8080.884.64.1
4 x 3 1/23.543.6911.9
100 x 9089.993.75.4
4 x 33.303.6010.6
100 x 8083.891.44.8
4 x 2 1/23.053.5111.3
100 x 6577.589.25.1
4 x 22.743.4111.9
100 x 5069.686.65.4
5 x 44.004.4116.5
125 x 100101.6112.07.5
5 x 33.514.2219.0
125 x 8089.2107.28.6
6 x 54.635.0326.7
150 x 125117.6127.812.1
6 x 44.134.9423.5
150 x 100104.9125.510.7
6 x 33.644.7519.4
150 x 8092.5120.78.8
• 5 •CLASS 125
CASTIRON
THREADED FITTINGS
ANSI/ASME B16.4
ASTM A126INCHES
MILLIMETRES
POUNDS
KILOGRAMS45˚ ELBOWS
CAPPROX.WEIGHTSIZEDIMENSION
NPSDN
1/4.73.16
618.5.07
3/8.80.23
1020.3.10
1/2.88.37
1522.4.17
3/4.98.55
2024.9.25
11.12.83
2528.5.38
1 1/41.291.3
3232.8.59
1 1/21.431.8
4036.3.82
21.682.9
5042.71.3
2 1/21.954.3
6549.52.0
32.176.4
8055.12.9
3 1/22.398.4
9060.73.8
42.6110.6
10066.34.8
53.0517.0
12577.57.7
63.4626.0
87.9TEES
AAPPROX.WEIGHTSIZEDIMENSION
NPSDN
1/4.81.22
620.6.10
3/8.95.35
1024.1.16
1/21.12.56
1528.5.25
3/41.31.84
2033.3.38
11.501.3
2538.1.59
1 1/41.752.0
3244.5.90
1 1/21.942.7
4049.31.2
22.254.2
5057.21.9
2 1/22.706.7
6568.63.0
33.0810.0
8078.24.6
3 1/23.4213.3
9086.96.0
43.7916.3
10096.37.4
54.5027.3
125114.312.4
65.1340.9
150130.318.6
