Harsh Flanges is a reputable manufacturer and supplier of Square Flanges, based in Mumbai, India. Known for their commitment to quality and precision, Harsh Flanges provides high-performance square flanges that ensure secure and leak-proof connections in both hydraulic and pneumatic systems. These flanges are crafted in accordance with international standards like JIS B2291 and SAE, making them perfect for high-pressure applications. With a diverse selection of materials, sizes, and custom configurations, Harsh Flanges meets the varied needs of different industries. Their emphasis on durability, reliability, and timely delivery makes them a go-to partner for essential flange solutions.
Square flanges are typically made from materials like carbon steel (A105), stainless steel (304/316), and alloy steel, tailored to specific application requirements. These materials offer impressive tensile strength (450–700 MPa) and yield strength, along with good ductility and resistance to corrosion. Designed to endure high-pressure hydraulic systems, square flanges can withstand pressures ranging from 3000 to 6000 PSI. They maintain their mechanical integrity even under thermal and mechanical stress, providing reliable sealing with minimal maintenance. Their precise dimensions and sturdy construction make them suitable for both standard and customized hydraulic setups.
| Size | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
|---|---|
| Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production Technique | Forged, Heat treated and machined |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Square Face (FF) |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Material | Titanium Square Flange, Incoloy Square Flange, Monel Square Flange, Nickel Alloy Square Flange, SMO 254 Square Flange, Brass Square Flange, Stainless Steel Square Flange, AISI 4130 Square Flange, Inconel Square Flange, Duplex Steel Square Flange, Hastelloy Square Flange, Alloy 20 Square Flange, Copper Nickel Square Flange, Super Duplex Square Flange. |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Harsh Flanges, a leading supplier in Mumbai, India, offers an extensive selection of Square 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.
Square flanges find extensive use in hydraulic and pneumatic systems across various industries, including construction, shipbuilding, mining, power generation, and industrial machinery. They act as dependable connectors for pipelines that transport hydraulic fluid under high pressure. Their compact, square design allows for easy installation in tight spaces. Square flanges are essential for connecting pumps, valves, cylinders, and manifolds, ensuring a leak-proof and vibration-resistant seal. They are particularly important for equipment that requires frequent assembly and disassembly.
| Square Flange (PN 250) | ||||||||||
| Part N° | PN bar1 | DN | O | GG | Ø J | Ø D | U | F | T | |
| BM-250-CET-3/8″ BM-250-CET-1/2″ | 250 | 10 13 | 40 45 | 24.7 29.7 | 18.5 24.3 | 25.1 31 | 14 * 15 * | 6.2 6.2 | 6.5 8.5 | |
| BM-250-SID-1/2″ | 13 | 45 | 30 | 24.3 | 31 | 15 | 6.2 | 6.5 | ||
| BM-250-CET-SID-3/4″ BM-250-CET-SID-1″ | 19 25 | 50 65 | 35.3 43.8 | 32.1 38.5 | 38.9 45.3 | 16 * 18 * | 6.2 7.6 | 8.5 11 | ||
| BM-250-CET-SID-1″1/4 | 32 | 75 | 51.6 | 43.7 | 51.6 | 22 * | 7.6 | 13 | ||
| BM-250-CET-1″1/2 BM-250-SID-1″1/2 | 38 38 | 85* 85 | 60,1 60 | 50.8 50.8 | 61.1 61.1 | 25 * 25 | 7.6 7.6 | 15 * 13 | ||
| BM-250-CET-2″ | 51 | 100 | 69.3 | 62.7 | 72.2 | 30 * | 9 | 17 | ||
| BM-250-SID-2″ BM-250-CET-2″1/2 | 51 56 | 100 120 | 68 83.4 | 62.7 76.6 | 72.2 88 | 30 35 * | 9 9 | 15 21 | ||
| BM-250-SID-2″1/2 | 56 | 120 | 85 | 76.6 | 88 | 35 | 9 | 19 | ||
| BM-250-CET-3″ BM-250-SID-3″ | 63 63 | 140 140 | 102.5 95 | 90.8 90.8 | 102.3 102.3 | 40 * 40 | 9 9 | 21 23 | ||
| BM-250-CET-3″1/2 | 70 | 140 * | 102.5 * | 102.5 | 120 | 52 * | 17.5 | 21 * | ||
| BM-250-CET-4″ BM-250-SID-4″ | 80 80 | 160 * 180 | 113.2 * 130 | 114.5 114.5 | 132 132 | 60 * 60 | 21 21 | 21 * 25 | ||
| NPS (Inches) | DN (mm) | FLANGE OD A MM | FLANGE THICKNESS D MM | SLIP ON FLANGE WEIGHT (KGS) | WELD NECK FLANGE WEIGHT (KGS) | BLIND FLANGE WEIGHT (KGS) |
| 1/ 2 | 15 | 88.9 | 11.2 | 0.4 | 0.5 | 0.4 |
| 3/ 4 | 20 | 98.6 | 12.7 | 0.6 | 0.7 | 0.6 |
| 1 | 25 | 108 | 14.2 | 0.8 | 1 | 0.9 |
| 1 1/ 4 | 32 | 117.3 | 15.7 | 1 | 1.3 | 1.2 |
| 1 1/ 2 | 40 | 127 | 17.5 | 1.3 | 1.7 | 1.5 |
| 2 | 50 | 152.4 | 19.1 | 2.1 | 2.6 | 2.4 |
| 2 1/ 2 | 65 | 177.8 | 22.4 | 3.3 | 4.1 | 3.9 |
| 3 | 80 | 190.5 | 23.9 | 3.9 | 4.9 | 4.9 |
| 3 1/ 2 | 90 | 215.9 | 23.9 | 4.8 | 6.1 | 6.2 |
| 4 | 100 | 228.6 | 23.9 | 5.3 | 6.8 | 7.0 |
| 5 | 125 | 254 | 23.9 | 6.1 | 8.6 | 8.6 |
| 6 | 150 | 279.4 | 25.4 | 7.5 | 10.6 | 11.3 |
| 8 | 200 | 342.9 | 28.4 | 12.1 | 17.6 | 19.6 |
| 10 | 250 | 406.4 | 30.2 | 16.5 | 24 | 28.6 |
| 12 | 300 | 482.6 | 31.8 | 26.2 | 36.5 | 43.2 |
| 14 | 350 | 533.4 | 35.1 | 34.6 | 48.4 | 58.1 |
| 16 | 400 | 596.9 | 36.6 | 44.8 | 60.6 | 76.1 |
| 18 | 450 | 635 | 39.6 | 48.9 | 68.3 | 93.7 |
| 20 | 500 | 698.5 | 42.9 | 61.9 | 84.5 | 122.0 |
| 24 | 600 | 812.8 | 47.8 | 86.9 | 115 | 185.0 |
Yes, we offer custom sizes for Square Flanges to meet specific project needs. Our team at Harsh Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@harshflanges.co.in.
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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