Ronwen Flanges stands out as a top-notch manufacturer and supplier of industrial flanges, proudly based in Cape Town, South Africa. We specialize in high-quality ANSI B16.47 Series A flanges, and with years of experience under our belt, we provide precision-engineered flange solutions tailored for a variety of demanding applications. Our flanges are crafted to meet rigorous international standards, guaranteeing exceptional durability, performance, and reliability. Clients from diverse sectors trust us because we blend cutting-edge manufacturing technology with strict quality control to fulfill custom specifications. We take great pride in our customer-focused approach and our dedication to delivering flanges that go above and beyond industry expectations.
When it comes to ANSI B16.47 Series A flanges, we typically use top-grade materials like carbon steel (ASTM A105), stainless steel (ASTM A182 F304/316), and alloy steel. These flanges boast impressive mechanical properties, including high tensile strength, yield strength, and impact resistance. Depending on the material grade, the typical tensile strength ranges from 485 MPa to 750 MPa. They also provide excellent corrosion resistance, particularly in the stainless steel versions, making them ideal for high-pressure and high-temperature settings. To boost mechanical performance and durability, we often employ heat treatment processes like normalization and quenching.
Ronwen Flanges, a leading supplier in Cape Town, South Africa, offers an extensive selection of ANSI B16.47 Series A Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
| Size Range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
|---|---|
| DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Threaded / Forged / Plate /Screwed |
| Flange supporting material | Ring Joint, Gasket, Flange Bolts |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Most Common Types |
|
| Production technique |
|
| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Raised Face (RF),Large Male-Female (LMF), Flat Face (FF),Small Male-Female (SMF), Lap-Joint Face (LJF), Large Tongue & Groove, Small Tongue, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
|
ASME B16.47 Series A Slip On Flange Class 150 LBS Dimensions
|
|||||||||
|
NPS |
A |
B |
I |
Holes |
C |
D |
F |
G |
Weight |
|
22″ |
750 |
563.6 |
35 |
20 |
46 |
80 |
610 |
641 |
72.66 |
|
26″ |
870 |
665.2 |
35 |
24 |
68.5 |
90 |
724 |
749 |
120.47 |
|
28″ |
925 |
716 |
35 |
28 |
71.5 |
95 |
781 |
800 |
136.16 |
|
30″ |
985 |
766.8 |
35 |
28 |
74.5 |
100 |
832 |
857 |
161.04 |
|
32″ |
1060 |
817.6 |
41 |
28 |
81 |
106 |
889 |
914 |
205.07 |
|
34″ |
1110 |
868.4 |
41 |
32 |
82.5 |
110 |
940 |
965 |
216.76 |
|
36″ |
1170 |
919.2 |
41 |
32 |
90.5 |
120 |
997 |
1022 |
265 |
|
38″ |
1240 |
970 |
41 |
32 |
87.4 |
120 |
1060 |
1073 |
297.15 |
|
40″ |
1290 |
1020 |
41 |
36 |
90.5 |
125 |
1111 |
1124 |
319.65 |
|
42″ |
1345 |
1071.6 |
41 |
36 |
97 |
130 |
1168 |
1194 |
363.84 |
|
44″ |
1405 |
1122.4 |
41 |
40 |
102 |
136 |
1219 |
1245 |
414.1 |
|
46″ |
1455 |
1173.2 |
41 |
40 |
103 |
144 |
1270 |
1295 |
437 |
|
48″ |
1510 |
1224 |
41 |
44 |
108 |
150 |
1327 |
1359 |
484.52 |
|
50″ |
1570 |
1274.8 |
48 |
44 |
111 |
160 |
1378 |
1410 |
521.23 |
|
52″ |
1625 |
1325.6 |
48 |
44 |
116 |
170 |
1435 |
1460 |
581.51 |
|
54″ |
1685 |
1376.4 |
48 |
44 |
121 |
178 |
1492 |
1511 |
652.63 |
|
56″ |
1745 |
1427.2 |
48 |
48 |
124 |
188 |
1540 |
1575 |
713.31 |
|
58″ |
1805 |
1478 |
48 |
129 |
195 |
1590 |
1626 |
799.81 |
|
|
60″ |
1855 |
1528.8 |
48 |
52 |
132 |
200 |
1657 |
1676 |
836.15 |
|
ASME B16.47 Series A Slip On Flange Class 300 LBS Dimensions |
|||||||||
| NPS | A | B | I | Holes | C | D | F | G | Weight |
| 22″ | 840 | 563.6 | 41 | 24 | 66.5 | 100 | 640 | 641 | 159 |
| 26″ | 970 | 665.2 | 44 | 28 | 79.5 | 130 | 720 | 749 | 238.15 |
| 28″ | 1035 | 716 | 44 | 28 | 85.5 | 147 | 775 | 800 | 295.5 |
| 30″ | 1090 | 766.8 | 48 | 28 | 92 | 160 | 825 | 857 | 338.8 |
| 32″ | 1150 | 817.6 | 51 | 28 | 98.5 | 170 | 880 | 914 | 395.57 |
| 34″ | 1205 | 868.4 | 51 | 28 | 102 | 180 | 935 | 965 | 446.43 |
| 36″ | 1270 | 919.2 | 54 | 32 | 105 | 190 | 990 | 1022 | 502.9 |
| 38″ | 1170 | 970 | 41 | 32 | 108 | 140 | 995 | 1029 | 256.33 |
| 40″ | 1240 | 1020 | 44 | 32 | 114 | 150 | 1050 | 1086 | 316.78 |
| 42″ | 1290 | 1071.6 | 44 | 32 | 119 | 156 | 1100 | 1137 | 343.98 |
| 44″ | 1355 | 1122.4 | 48 | 32 | 124 | 160 | 1150 | 1194 | 394.78 |
| 46″ | 1415 | 1173.2 | 51 | 28 | 129 | 170 | 1205 | 1245 | 455.19 |
| 48″ | 1465 | 1224 | 51 | 32 | 133 | 180 | 1255 | 1314 | 482.1 |
| 50″ | 1530 | 1274.8 | 54 | 32 | 140 | 190 | 1305 | 1359 | 557.35 |
| 52″ | 1580 | 1325.6 | 54 | 32 | 144 | 198 | 1355 | 1410 | 595.56 |
| 54″ | 1660 | 1376.4 | 60 | 28 | 152 | 210 | 1410 | 1467 | 741.05 |
| 56″ | 1710 | 1427.2 | 60 | 28 | 154 | 220 | 1465 | 1518 | 786.03 |
| 58″ | 1760 | 1478 | 60 | 32 | 159 | 228 | 1515 | 1575 | 824.35 |
| 60″ | 1810 | 1528.8 | 60 | 32 | 164 | 235 | 1585 | 1620 | 904.14 |
ANSI B16.47 Series A flanges are a go-to choice in industries that need strong, large-diameter piping connections. These flanges shine in high-pressure and high-temperature settings, making them perfect for fields like oil and gas, petrochemicals, power generation, water treatment, and shipbuilding. Thanks to their excellent sealing capabilities, they’re well-suited for pipeline systems that transport gases, chemicals, and various fluids. Series A flanges are often favored in situations where extra bolt holes and a thicker flange design boost strength and reliability. They play a crucial role in systems where secure, leak-proof connections are vital for safety and efficiency.
Yes, we offer custom sizes for ANSI B16.47 Series A Flanges to meet specific project needs. Our team at Ronwen Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ronwenflanges.co.za.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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