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Pipe Fittings
Pipe Fittings are essential components used to connect, control, and change the direction of pipelines in industrial, commercial, and residential systems. They come in a variety of shapes, sizes, and materials to handle different pressures, temperatures, and flow conditions.
Moksh Tubes & Fittings LLP, we supply a comprehensive range of pipe fittings from standard elbows, tees, reducers, and caps to custom fabricated fittings for complex layouts. Manufactured from stainless steel, carbon steel, alloy steel, duplex, super duplex, nickel alloys, titanium, and copper alloys, our fittings conform to ASTM, ASME, DIN, EN, and API standards and are widely trusted for oil & gas, chemical, marine, and power industries.
Specifications
| Category | Details |
|---|---|
| Material | Stainless Steel, Carbon Steel, Alloy Steel, Duplex & Super Duplex, Nickel Alloys, Titanium, Copper Alloys |
| Grades | ASTM, ASME, DIN, EN certified grades – all major alloys available |
| Size Range | ½” NB to 72” NB (special sizes on request) |
| Thickness | SCH 5 to SCH XXS (custom schedules available) |
| Types | Elbows (45°, 90°, 180°), Tees (Equal & Reducing), Reducers (Concentric & Eccentric), Caps, Stub Ends, Crosses, Nipples, Custom Fabricated Fittings |
| Manufacturing Methods | Seamless, Welded, Forged, Custom Fabricated |
| Standards | ASME B16.9, B16.11, MSS-SP-43, ASTM A403, A815, B366 |
| Finishes | Pickled & Passivated, Shot Blasted, Bead Blasted, Mirror Polish (for sanitary uses) |
Product Range Charts
Weight Chart
| Fitting Type | Size Range (NPS) | Standard | Ends Available |
|---|---|---|---|
| Elbows (45° / 90° / 180°) | ½" – 48" | ASME B16.9, B16.28 | Butt Weld, Socket Weld, Threaded |
| Tees & Crosses | ½" – 48" | ASME B16.9 | Butt Weld, Socket Weld, Threaded |
| Reducers (Concentric / Eccentric) | ½" – 48" | ASME B16.9 | Butt Weld |
| Caps & Stub Ends | ½" – 24" | ASME B16.9, MSS-SP-43 | Butt Weld, Lap Joint |
| Couplings & Unions | ¼" – 12" | ASME B16.11 | Socket Weld, Threaded |
| Special Fabricated Fittings | Custom | As per drawing | As required |
Dimensional
Expanded Table (90° Elbow – ASME B16.9)
| Nominal Pipe Size (NPS) | Outside Diameter (D) (mm) | Center-to-End (A) (mm) | Wall Thickness (t) (mm) |
|---|---|---|---|
| 2" | 60.3 | 76 | As per schedule |
| 4" | 114.3 | 152 | As per schedule |
| 8" | 219.1 | 305 | As per schedule |
| 12" | 323.9 | 457 | As per schedule |
| 24" | 610 | 914 | As per schedule |
Pressure Rating Chart
Expanded Table (Typical – for Welded Fabricated Fittings)
| Material | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 |
|---|---|---|---|---|---|
| Stainless Steel 316 | 285 psi | 740 psi | 1480 psi | 2220 psi | 3700 psi |
| Duplex 2205 | 290 psi | 750 psi | 1500 psi | 2250 psi | 3750 psi |
| Inconel 625 | 260 psi | 675 psi | 1350 psi | 2025 psi | 3375 psi |
| Hastelloy C276 | 270 psi | 710 psi | 1420 psi | 2130 psi | 3550 psi |
Weight Chart
Expanded Table (Custom Fabricated Reducers)
| NPS (Large End) | NPS (Small End) | Wall Thickness (mm) | Approx. Weight (kg) |
|---|---|---|---|
| 4" | 2" | 6.0 | 3.5 |
| 8" | 4" | 8.0 | 12.0 |
| 12" | 6" | 10.0 | 28.0 |
| 16" | 8" | 12.5 | 50.0 |
| 24" | 12" | 15.0 | 120.0 |
Tolerances
Expanded Table (Fabricated Fittings – as per ASME B16.9)
| Parameter | Tolerance |
|---|---|
| Outside Diameter (D) | ±1% or ±1.5 mm (whichever is greater) |
| Wall Thickness (t) | Not less than 87.5% of specified |
| Center-to-End (A) | ±3 mm (NPS ≤ 12"), ±5 mm (NPS > 12") |
| Angularity | ±0.5° |
| Straightness | 0.03 mm per mm |
Grades Available
Custom fabricated fittings are available in multiple grades for diverse industries:
| Material | Grades |
|---|---|
| Stainless Steel | 304, 304L, 316, 316L, 310, 321, 347 – for hygiene-critical and corrosion-resistant uses. |
| Carbon Steel | ASTM A234 WPB, ASTM A105, IS2062 – for structural and high-pressure piping. |
| Duplex & Super Duplex | UNS S31803, S32205, S32750, S32760 – for offshore, marine, and chemical processing. |
| Nickel Alloys | Inconel 600/625/825, Monel 400/K500, Hastelloy C22/C276 – for extreme heat and corrosive service. |
| Titanium | Grades 1, 2, 5 – for aerospace, desalination, and medical industries. |
| Copper Alloys | Cu-Ni 70/30, Cu-Ni 90/10 – for marine, desalination, and shipbuilding applications. |
NICKLE ALLOYS
STAINLESS STEEL
DUPLEX & SUPER
TITANIUM ALLOYS
RARE TO ALLOYS
CARBON ALLOYS
Applications
Custom Fabricated Fittings are crucial in projects where standard fittings are not suitable due to design constraints or operational demands.
Oil, Gas & Petrochemical
- Complex pipeline layouts for refineries and offshore platforms.
- Manifold assemblies, laterals, and special reducers for processing units.
- High-pressure and high-temperature fittings for critical flow lines.
Power Generation & Energy
- Fittings for boiler feed lines, condensers, and turbine systems.
- Custom elbows, tees, and reducers for nuclear, thermal, and renewable plants.
Marine & Shipbuilding
- Saltwater-resistant fittings for ship piping, ballast systems, and offshore rigs.
- Large-bore fabricated fittings for desalination plants and marine structures.
Automotive & Aerospace
- Precision fabricated fittings for fuel lines, exhaust systems, and hydraulic systems.
- Titanium and nickel alloy fittings for aerospace assemblies and prototypes.
Construction & Infrastructure
- Custom bends, headers, and Y-pieces for HVAC, fire protection, and water distribution systems.
- Structural and architectural fittings for stadiums, malls, and high-rise projects.
Uses of Custom Fabricated Fittings
Custom Fabricated Fittings
Special Layouts
Enables complex piping designs not possible with standard fittings.
Project-Specific Needs
Tailored for unique pressures, temperatures, and flow requirements.
Repair & Replacement
Used for retrofit projects where older pipelines require non-standard fittings.
Heavy-Duty Service
Handles harsh chemicals, seawater, and extreme conditions.
Design Flexibility
Allows architects and engineers to integrate fittings into challenging spaces.
Advantages of Custom Fabricated Fittings
Precision Engineering
Designed and fabricated to exact specifications.
Material Flexibility
Available in stainless, carbon, duplex, nickel, titanium, and copper alloys.
Cost-Effective Solutions
Eliminates the need for multiple welded joints by providing a single-piece fitting.
Quick Turnaround
Custom solutions delivered faster than sourcing rare or imported parts.
Compliance
Manufactured as per ASTM, ASME, API, and international standards.
Enhanced Safety
Ensures proper flow, pressure handling, and leak-proof integrity.
WHY CHOOSE US?
FAQ's
What are custom fabricated fittings?
Custom fabricated fittings are specially designed pipe fittings that are manufactured according to specific requirements, such as size, material, design, or application. They are used when standard fittings do not meet the needs of a project.
Which industries use custom fabricated fittings?
These fittings are widely used in oil & gas, petrochemical, power generation, marine, chemical processing, food & beverage, water treatment, and other industries where unique piping solutions are required.
What materials are available for custom fabricated fittings?
We offer fittings in stainless steel, duplex steel, super duplex, nickel alloys (Inconel, Hastelloy, Monel), titanium, copper alloys, and other high-performance materials depending on the application.
What types of fittings can be custom fabricated?
Elbows, tees, reducers, crosses, stub ends, branch fittings, lateral fittings, headers, manifolds, and other complex pipe components can all be fabricated as per project needs.
How are custom fabricated fittings manufactured?
They are manufactured through advanced processes such as cutting, bending, welding, machining, and heat treatment to ensure precise dimensions, strength, and durability.
Contact Us
Need custom fabricated fittings for your pipeline or industrial project?
Contact
Moksh Tubes & Fittings LLP