Phosphor bronze flanges are essential components in various industrial applications, known for their exceptional properties and performance. These flanges are made from an alloy of copper, tin, and phosphorus, which imparts unique characteristics that make them highly desirable in a wide range of industries.
Corrosion Resistance: Phosphor bronze is highly resistant to corrosion, making it an ideal choice for applications where exposure to moisture, chemicals, or harsh environmental conditions is common. This resistance ensures the longevity of the flanges, reducing maintenance and replacement costs.
Strength and Durability: Phosphor bronze flanges exhibit high tensile strength and wear resistance. This makes them suitable for applications where they are subjected to heavy loads or abrasive materials. They can withstand pressure and stress, providing a reliable and long-lasting solution.
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Excellent Machinability: Phosphor bronze is known for its excellent machinability. It can be easily shaped and machined to meet specific design requirements. This feature simplifies the manufacturing process and allows for customized flanges to be produced with ease.
Thermal Conductivity: Phosphor bronze possesses good thermal conductivity, which makes it suitable for applications that require efficient heat dissipation. This property ensures that the flanges remain stable and do not deform under high-temperature conditions.
Electrical Conductivity: Phosphor bronze also offers good electrical conductivity, making it valuable in applications that involve electrical connections or grounding. The alloy’s electrical properties contribute to its versatility in various industries.
Low Friction: Phosphor bronze has a low coefficient of friction, which is advantageous in applications involving moving parts or bearings. This property reduces wear and extends the life of the components.
Resistance to Fatigue: Phosphor bronze flanges have excellent resistance to fatigue and galling, even under continuous stress or vibration. This property is essential in applications where the components must maintain their structural integrity over extended periods.
Phosphor bronze flanges find applications in a wide array of industries, including aerospace, marine, oil and gas, electronics, and more. They are commonly used in sealing and joining systems, as well as in the construction of pipelines, valves, and other critical components.
Size Range | 1/2″ to 48″ |
Chart of Pressure Rating | 300 LBS, 2500 LBS, 1500 LBS, 900 LBS, 150 LBS, 600 LBS |
JIS | 40 K, 16 K, 5K, 10 K, 30 K, 20 K, 63 K |
DIN Pressure Calculation | 25Bar 40Bar 16Bar 6Bar 10Bar / PN64 PN10 PN25 PN16 PN6 PN40 |
Manufacturer of Connect / Flange Face Type | LJF, RF, RTJ, FF, Small Tongue, Large Tongue & Groove |
Test< | Magnetic particle detector, X-ray detector, Ultrasonic flaw detector, Direct-reading Spectrograph, Hydrostatic testing machine |
Origin | Japan / West Europe / Indian / USA / Korean |
Manufacturer of | GOST, JIS, ANSI, DIN, UNI, BS, AWWA, AS2129, SABS, NFE, EN etc. |
UNI / EN | 16Bar 6Bar 40Bar 10Bar 25Bar |
Standards Provided By Manufacturer | ISO70051, MSS S44, BS1560-3.1, API7S-43, B16.48, ANSI/ASME B16.5, B16.47 Series A & B, BS4504, JISB2220, ASME/ANSI B16.5/16.36/16.47A/16.47B, API605, BS 10, EN-1092, DIN, API7S-15, EN1092 |
Common Types By Manufacturer | Threaded / Screwed / Forged / Plate |
Equipment | Pushing Machine, Press machine, Sand-blasting machine, Bending machine, electric bevelling machine etc |
Production technique Used By Manufacturer | Heat treated, Forged and machined |
Coating | Zinc Plated, Anti-rust Paint, Yellow Transparent, Oil Black Paint, Cold and Hot Dip Galvanized |
Alloy Description | American Spec. | German Spec. | British Spec. |
UNS | SAE | Alloy | |
Phosphor Bronze Grade I | C54400 | CuSn4 | PB101 |
Phosphor Bronze Grade II | C51000 | CuSn5 | PB102 |
Phosphor Bronze Grade III | C51900 | CuSn6 | PB103 |
Phosphor Bronze IV | C52100 | CuSn8 | PB104 |
Size in Inch | Size in mm | No of Bolts | Outer Dia. | Hub OD | ISO Stud Size | Flange Length | RF Height | Flange Thick. | RF Dia. | PCD | Hole Size | Socket Bore | Weight in kg |
A | C | D | F | B | E | G | H | ||||||
1/2 | 15 | 4 | 90 | 30 | M14 | 14 | 2 | 9.6 | 34.9 | 60.3 | 5/8 | 22.2 | 0.8 |
1 | 25 | 4 | 110 | 49 | M14 | 16 | 2 | 12.7 | 50.8 | 79.4 | 5/8 | 34.5 | 0.9 |
3/4 | 20 | 4 | 100 | 38 | M14 | 14 | 2 | 11.2 | 42.9 | 69.9 | 5/8 | 27.7 | 0.9 |
1 1/4 | 32 | 4 | 115 | 59 | M14 | 19 | 2 | 14.3 | 63.5 | 88.9 | 5/8 | 43.2 | 1.4 |
2 | 50 | 4 | 150 | 78 | M16 | 24 | 2 | 17.5 | 92.1 | 120.7 | 3/4 | 61.9 | 2.3 |
1 1/2 | 40 | 4 | 125 | 65 | M14 | 21 | 2 | 15.9 | 73 | 98.4 | 5/8 | 49.5 | 1.4 |
2 1/2 | 65 | 4 | 180 | 90 | M16 | 27 | 2 | 20.7 | 104.8 | 139.7 | 3/4 | 74.6 | 3.2 |
3 | 80 | 4 | 190 | 108 | M16 | 29 | 2 | 22.3 | 127 | 152.4 | 3/4 | 90.7 | 3.7 |
4 | 100 | 8 | 230 | 135 | M16 | 32 | 2 | 22.3 | 157.2 | 190.5 | 3/4 | 116.1 | 5.9 |
3 1/2 | 90 | 8 | 215 | 122 | M16 | 30 | 2 | 22.3 | 139.7 | 177.8 | 3/4 | 103.4 | 5 |
5 | 125 | 8 | 255 | 164 | M20 | 35 | 2 | 22.3 | 185.7 | 215.9 | 7/8 | 143.8 | 6.8 |
8 | 200 | 8 | 345 | 246 | M20 | 43 | 2 | 27 | 269.9 | 298.5 | 7/8 | 221.5 | 13.7 |
10 | 250 | 12 | 405 | 305 | M24 | 48 | 2 | 28.6 | 323.8 | 362 | 1 | 276.2 | 19.5 |
6 | 150 | 8 | 280 | 192 | M20 | 38 | 2 | 23.9 | 215.9 | 241.3 | 7/8 | 170.7 | 8.6 |
12 | 300 | 12 | 485 | 365 | M24 | 54 | 2 | 30.2 | 381 | 431.8 | 1 | 327 | 29 |
24 | 600 | 20 | 815 | 663 | M33 | 81 | 2 | 46.1 | 692.2 | 749.3 | 1 3/8 | 616 | 100 |
16 | 400 | 16 | 595 | 457 | M27 | 62 | 2 | 35 | 469.9 | 539.8 | 1 1/8 | 410.5 | 54 |
18 | 450 | 16 | 635 | 505 | M30 | 67 | 2 | 38.1 | 533.4 | 577.9 | 1 1/4 | 461.8 | 59 |
14 | 350 | 12 | 535 | 400 | M27 | 56 | 2 | 33.4 | 412.8 | 476.3 | 1 1/8 | 359.2 | 41 |
20 | 500 | 20 | 700 | 559 | M30 | 71 | 2 | 41.3 | 584.2 | 635 | 1 1/4 | 513.1 | 75 |
Size in Inch | Size in mm | ISO Stud Size | RF Height | Outer Dia. | RF Dia. | Hole Size | PCD | No of Bolts | Bolt Size UNC | Flange Thickness | RF Stud Length | Weight in kg |
D | A | C | E | B | ||||||||
1/2 | 15 | M20 | 7 | 135 | 34.9 | 7/8 | 88.9 | 4 | 3/4 | 30.2 | 120 | 3.2 |
3/4 | 20 | M20 | 7 | 140 | 42.9 | 7/8 | 95.2 | 4 | 3/4 | 31.8 | 125 | 3.7 |
1 | 25 | M24 | 7 | 160 | 50.8 | 1 | 108 | 4 | 7/8 | 35 | 140 | 5 |
1 1/4 | 32 | M27 | 7 | 185 | 63.5 | 1 1/8 | 130.2 | 4 | 1 | 38.1 | 150 | 7.8 |
1 1/2 | 40 | M30 | 7 | 205 | 73 | 1 1/4 | 146 | 4 | 1 1/8 | 44.5 | 170 | 10.5 |
2 | 50 | M27 | 7 | 235 | 92.1 | 1 1/8 | 171.4 | 8 | 1 | 50.9 | 180 | 18 |
2 1/2 | 65 | M30 | 7 | 265 | 104.8 | 1 1/4 | 196.8 | 8 | 1 1/8 | 57.2 | 195 | 25.5 |
3 | 80 | M33 | 7 | 305 | 127 | 1 3/8 | 228.6 | 8 | 1 1/4 | 66.7 | 220 | 39 |
4 | 100 | M39 | 7 | 355 | 157.2 | 1 5/8 | 273 | 8 | 1 1/2 | 76.2 | 255 | 61.5 |
5 | 125 | M45 | 7 | 420 | 185.7 | 1 7/8 | 323.8 | 8 | 1 3/4 | 92.1 | 300 | 102 |
6 | 150 | M52 | 7 | 485 | 215.9 | 2 1/8 | 368.3 | 8 | 2 | 108 | 345 | 157 |
8 | 200 | M52 | 7 | 550 | 269.9 | 2 1/8 | 438.2 | 12 | 2 | 127 | 380 | 241 |
10 | 250 | M64 | 7 | 675 | 323.8 | 2 5/8 | 539.8 | 12 | 2 1/2 | 165.1 | 490 | 470 |
12 | 300 | M72 | 7 | 760 | 381 | 2 7/8 | 619.1 | 12 | 2 3/4 | 184.2 | 540 | 575 |
Flange NPS | H | Inside Diameter | Flat Face Thickness (T2) | Outside Diameter | Raised Face (RF) | Raised Face (R) | H1 | Raised Face Thickness (T) | T1 | Bolt Circle (BC) | Bolt Hole (B) | No. of Bolt Holes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1/2″ | 1.19″ | 0.62″ | 1.82″ | 3.50″ | .063″ | 1.38″ | 0.84″ | 1.88″ | .38″ | 2.38″ | .62″ | 4 |
1-1/4″ | 2.31″ | 1.38″ | 2.19″ | 4.62″ | .063″ | 2.50″ | 1.66″ | 2.25″ | .56″ | 3.50″ | .62″ | 4 |
3/4″ | 1.50″ | 0.82″ | 2.00″ | 3.88″ | .063″ | 1.69″ | 1.05″ | 2.06″ | .44″ | 2.75″ | .62″ | 4 |
1-1/2″ | 2.56″ | 1.61″ | 2.38″ | 5.00″ | .063″ | 2.88″ | 1.90″ | 2.44″ | .62″ | 3.88″ | .62″ | 4 |
1″ | 1.94″ | 1.05″ | 2.13″ | 4.25″ | .063″ | 2.00″ | 1.32″ | 2.19″ | .50″ | 3.12″ | .62″ | 4 |
2″ | 3.06″ | 2.07″ | 2.44″ | 6.00″ | .063″ | 3.62″ | 2.38″ | 2.50″ | .69″ | 4.75″ | .75″ | 4 |
2-1/2″ | 3.56″ | 2.47″ | 2.69″ | 7.00″ | .063″ | 4.12″ | 2.88″ | 2.75″ | .82″ | 5.50″ | .75″ | 4 |
3″ | 4.25″ | 3.07″ | 2.69″ | 7.50″ | .063″ | 5.00″ | 3.50″ | 2.75″ | .88″ | 6.00″ | .75″ | 4 |
4″ | 5.31″ | 4.03″ | 2.94″ | 9.00″ | .063″ | 6.19″ | 4.50″ | 3.00″ | .88″ | 7.50″ | .75″ | 8 |
5″ | 6.44″ | 5.05″ | 3.44″ | 10.00″ | .063″ | 7.31″ | 5.56″ | 3.50″ | .88″ | 8.50″ | .88″ | 8 |
3-1/2″ | 4.81″ | 3.55″ | 2.75″ | 8.50″ | .063″ | 5.50″ | 4.00″ | 2.81″ | .88″ | 7.00″ | .75″ | 8 |
6″ | 7.56″ | 6.07″ | 3.44″ | 11.00″ | .063″ | 8.50″ | 6.63″ | 3.50″ | .94″ | 9.50″ | .88″ | 8 |
8″ | 9.69″ | 7.98″ | 3.94″ | 13.50″ | .063″ | 10.62″ | 8.63″ | 4.00″ | 1.06″ | 11.75″ | .88″ | 8 |
22″ | 24.25″ | 21.25″ | 5.82″ | 29.50″ | .063″ | 25.25″ | 22.00″ | 5.88″ | 1.75″ | 27.25″ | 1.38″ | 20 |
10″ | 12.00″ | 10.02″ | 3.94″ | 16.00″ | .063″ | 12.75″ | 10.75″ | 4.00″ | 1.13″ | 14.25″ | 1.00″ | 12 |
12″ | 14.38″ | 12.00″ | 4.44″ | 19.00″ | .063″ | 15.00″ | 12.75″ | 4.50″ | 1.19″ | 17.00″ | 1.00″ | 12 |
16″ | 18.00″ | 15.25″ | 4.94″ | 23.50″ | .063″ | 18.50″ | 16.00″ | 5.00″ | 1.38″ | 21.25″ | 1.12″ | 16 |
18″ | 19.88″ | 17.25″ | 5.44″ | 25.00″ | .063″ | 21.00″ | 18.00″ | 5.50″ | 1.50″ | 22.75″ | 1.25″ | 16 |
14″ | 15.75″ | 13.25″ | 4.94″ | 21.00″ | .063″ | 16.25″ | 14.00″ | 5.00″ | 1.32″ | 18.75″ | 1.12″ | 12 |
20″ | 22.00″ | 19.25″ | 5.63″ | 27.50″ | .063″ | 23.00″ | 20.00″ | 5.69″ | 1.63″ | 25.00″ | 1.25″ | 20 |
24″ | 26.12″ | 23.25″ | 5.94″ | 32.00″ | .063″ | 27.25″ | 24.00″ | 6.00″ | 1.82″ | 29.50″ | 1.38″ | 20 |
NPS (Nominal Pipe Size) | Loose (Lap Joint) | NPT (Threaded) | SORF (Slip On) | BLRF (Blind) | SWRF (Socket Weld) | WRNR (Weld Neck) |
---|---|---|---|---|---|---|
½ | 1 | 1 | 1 | 2 | 2 | 2 |
1 | 2 | 2 | 2 | 2 | 2 | 3 |
1¼ | 3 | 3 | 3 | 3 | 3 | 3 |
¾ | 2 | 2 | 2 | 2 | 2 | 2 |
1½ | 3 | 3 | 3 | 4 | 3 | 4 |
2½ | 8 | 8 | 8 | 7 | 8 | 10 |
2 | 5 | 5 | 5 | 5 | 5 | 6 |
3 | 9 | 9 | 9 | 9 | 9 | 11.5 |
4 | 13 | 13 | 13 | 17 | 13 | 16.5 |
3½ | 11 | 12 | 11 | 13 | 11 | 12 |
5 | 15 | 15 | 15 | 20 | 15 | 21 |
8 | 30 | 30 | 30 | 47 | 30 | 42 |
6 | 19 | 19 | 19 | 27 | 19 | 26 |
10 | 43 | 43 | 43 | 70 | 43 | 54 |
24 | 275 | 220 | 220 | 430 | 220 | 268 |
14 | 105 | 90 | 90 | 140 | 90 | 114 |
12 | 64 | 64 | 64 | 123 | 64 | 88 |
16 | 140 | 98 | 106 | 180 | 98 | 140 |
20 | 195 | 165 | 165 | 285 | 165 | 197 |
18 | 160 | 130 | 130 | 220 | 130 | 165 |
22 | 245 | 185 | 185 | 355 | 185 | 225 |
Temperature °F | Class 150 | Class 600 | Class 1500 | Class 400 | Class 900 | Class 300 | Class 2500 |
-20 to 100 | 275 | 1440 | 3600 | 960 | 2160 | 720 | 6000 |
300 | 205 | 1080 | 2700 | 720 | 1620 | 540 | 4500 |
200 | 230 | 1200 | 3000 | 800 | 1800 | 600 | 5000 |
400 | 190 | 995 | 2485 | 660 | 1490 | 495 | 4140 |
600 | 140 | 875 | 2185 | 580 | 1310 | 435 | 3640 |
650 | 125 | 860 | 2150 | 575 | 1290 | 430 | 3580 |
500 | 170 | 930 | 2330 | 620 | 1395 | 465 | 3880 |
700 | 110 | 850 | 2125 | 565 | 1275 | 425 | 3540 |
750 | 95 | 830 | 2075 | 555 | 1245 | 415 | 3460 |
850 | 65 | 790 | 1980 | 530 | 1190 | 395 | 3300 |
800 | 80 | 805 | 2015 | 540 | 1210 | 405 | 3360 |
900 | 50 | 780 | 1945 | 520 | 1165 | 390 | 3240 |
950 | 35 | 765 | 1910 | 510 | 1145 | 380 | 3180 |
1000 | 20 | 640 | 1605 | 430 | 965 | 320 | 2675 |
1100 | 20 | 515 | 1285 | 345 | 770 | 255 | 2145 |
1150 | 20 | 400 | 995 | 265 | 595 | 200 | 1655 |
1050 | 20 | 615 | 1545 | 410 | 925 | 310 | 2570 |
1200 | 20 | 310 | 770 | 205 | 465 | 155 | 1285 |
1250 | 20 | 225 | 565 | 150 | 340 | 115 | 945 |
1300 | 20 | 170 | 430 | 115 | 255 | 85 | 715 |
1400 | 20 | 95 | 240 | 65 | 145 | 50 | 400 |
1350 | 20 | 125 | 310 | 80 | 185 | 60 | 515 |
1450 | 15 | 70 | 170 | 45 | 105 | 35 | 285 |
1500 | 10 | 55 | 135 | 35 | 80 | 25 | 230 |
Nominal Pipe Size (inch) |
Dia. of Flange (inch) |
No. of Bolts |
Dia. of Bolts (inch) |
Dia. of Bolt Holes (inch) |
Bolt Circle (inch) |
---|---|---|---|---|---|
1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
12 | 19 | 12 | 7/8 | 1 | 17 |
18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
Alloy | UNS Designation | Tin | Phosphorus | Iron, max | Lead, max | Zinc, max | Copper |
510 | C51000 | 4.2-5.8 | .030-.35 | 0.1 | 0.05 | 0.3 | remainder |
ASTM Specification | Temper | Tensile Strength | Rockwell B Scale | Superficial (30-T Scale) |
min-max psi | min-max | min-max | ||
Annealed | Annealed | 43-58 | 12-64 | 24-59 |
H02 | 1/2 Hard | 58-73 | 60-85 | 53-73 |
H04 | Hard Tempered | 76-91 | 84-93 | 71-78 |
H06 | Extra Hard | 88-103 | 89-96 | 74-81 |
H08 | Spring Temper | 95-110 | 92-98 | 76-82 |
H10 | Extra Spring | 100-114 | 94-99 | 77-83 |
We Serve Application Industry
Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
China, Puerto Rico, Bhutan, Chile, Japan, United Arab Emirates, Kenya, Macau, Jordan, Czech Republic, Afghanistan, Ireland, Portugal, Colombia, Bahrain, United States, Spain, Peru, Iraq, Tunisia., Slovakia, Oman, Kazakhstan, Zimbabwe, Gabon, Austria, Netherlands, Kuwait, Sweden, Chile, Qatar, Brazil, Mongolia, Serbia, Algeria, Belgium, Denmark, Pakistan, Poland, Tibet, Philippines, Nigeria, Taiwan, New Zealand, Saudi Arabia, Venezuela, Australia, Namibia, Egypt, Gambia, South Korea, Iran, United Kingdom, Hungary, Greece, France, Ecuador, Trinidad & Tobago, Indonesia, Thailand, Finland, Malaysia, Croatia, Bulgaria, Iran, Lithuania, Canada, Mexico, Germany, Hong Kong, India, Belarus, Bolivia, Argentina, Romania, Turkey, Yemen, Azerbaijan, Morocco, Ukraine, Russia, Vietnam, Israel, Poland, Ghana, Libya, Costa Rica, Switzerland, South Africa, Nigeria, Bangladesh, Italy, Estonia, Norway, Mexico, Lebanon, Sri Lanka, Nepal, Singapore, Angola.
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