Monel tube fittings are top-notch components made from Monel, a nickel-copper alloy celebrated for its incredible resistance to seawater, salt, alkalis, and acidic conditions. These fittings are crafted to ensure secure, leak-proof connections in critical fluid and gas handling systems, providing durability and reliability even in the toughest environments. Thanks to their impressive mechanical strength and resistance to stress-corrosion cracking, Monel tube fittings find their place in various industries like marine engineering, oil and gas, petrochemical, power generation, and chemical processing, where long-lasting performance in corrosive settings is a must.
You can find Monel tube fittings in a range of types, including compression fittings, flare fittings, and threaded fittings, with various configurations like unions, tees, elbows, crosses, adapters, and reducers. Their sturdy design allows them to withstand high pressures and temperatures, making them ideal for both offshore and onshore applications. The smooth internal surface of these fittings promotes optimal flow while reducing the chances of leakage or contamination, ensuring efficiency and safety in critical piping systems.
| Monel Tube Fittings specification (ASTM / ASME) | ASTM B366/ ASME SB366 |
|---|---|
| Working Pressure | Up to 6,000psi (based on severity of application) |
| Two-Ferrule Tube Fittings | Pressure Ratings : Up to 11 000 psig (760 bar) |
| Medium-Pressure, Gaugeable | Pressure Ratings: Up to 20 000 psig (1378 bar) Temperature Ratings: Up to 1000°F (537°C) |
| High-Pressure Monel Tube Fittings | Pressure Ratings: Up to 60 000 psig (4134 bar) Temperature Ratings: Up to 1000°F (537°C) Materials of construction: 316 Stainless Steel Tube Fittings, Alloy 2507, Monel 400 Tube fittings |
| Monel Tube Fittings Special sizes | 22mm Monel tube fittings 25mm Monel 400 tube fittings 32mm Monel K500 tube fittings 50mm Monel Ferrule tube fittings |
| End Connections | Types: NPT, ISO/BP, SAE/MS, AN, weld ends, port connectors, sanitary flanges, tube adapters |
| Configurations | Straights, elbows, tees, crosses, caps, plugs, nuts and ferrules Chromatograph and Column End |
| Types | Unions, NPT, medium-pressure cone and thread adapters, male SAE/MS, reducers, port connectors, tube adapters, caps, plugs |
| Monel Ferrule Tube Fittings Sizes | 1/16 to 2 in.; 2 to 50 mm 1/4, 3/8, 1/2, 9/16, 3/4 in.; 6, 10, 12 mm |
| Specification | Items Made from Hex – ASTM B574 ; Items made from Round Bar- ASTM B564 |
| Brand Name | Monel Tube fittings |
| Tube Size | 1/16”OD to 2”OD, 2mm OD to 50mm OD |
| Threads | NPT (ANSI B1.20.1), BSP, BSPT (ISO thread configurations), UNF, SAE etc. |
| PTFE Standards | ASTM D1710, ASTM D3294 |
| Applicable Temperature | 150-400°C |
| Monel Tube Fittings Packing Details |
|
| STANDARD | AFNOR | UNS | BS | WERKSTOFF NR. | GOST | JIS | EN |
| Monel K500 | – | N05500 | – | 2.4375 | – | – | – |
| Monel 400 | NU-30M | N04400 | NA 13 | 2.4360 | МНЖМц 28-2,5-1,5 | NW 4400 | NiCu30Fe |
|
OD |
OD Actual |
Thread Designation – Nominal Size |
Thread per inch |
|
|
(fraction inch) |
(inches) |
(inches) |
NPT |
BSP |
|
5/16 |
0.3125 |
1/16 |
27 |
28 |
|
13/32 |
0.405 |
1/8 |
27 |
28 |
|
35/64 |
0.540 |
1/4 |
18 |
19 |
|
43/64 |
0.675 |
3/8 |
18 |
19 |
|
27/32 |
0.840 |
1/2 |
14 |
14 |
|
1-3/64 |
1.050 |
3/4 |
14 |
14 |
|
1-5/16 |
1.315 |
1 |
11-1/2 |
11 |
|
1-21/32 |
1.660 |
1-1/4 |
11-1/2 |
11 |
|
1-29/32 |
1.900 |
1-1/2 |
11-1/2 |
11 |
|
2-3/8 |
2.375 |
2 |
8 |
11 |
|
2-7/8 |
2.875 |
2-1/2 |
8 |
11 |
|
3-1/2 |
3.5 |
3 |
8 |
11 |
|
4 |
4.0 |
3-1/2 |
8 |
11 |
|
4-1/2 |
4.5 |
4 |
8 |
11 |
|
5-5/8 |
5.563 |
5 |
8 |
11 |
|
6-5/8 |
6.718 |
6 |
8 |
11 |
Contact us to get a quick quote for your requirement.
Installing Monel tube fittings is a breeze, requiring just a few tools while delivering a strong, leak-tight seal. Their outstanding corrosion resistance, especially in marine and acidic environments, sets them apart from many other alloy fittings in terms of longevity and reliability. They are particularly well-suited for applications like seawater piping systems, chemical transfer lines, heat exchangers, and instrumentation systems. With their unique blend of strength, corrosion resistance, and durability, Monel tube fittings are essential for the smooth and safe operation of complex industrial processes.
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