-
Call Us On
+91 97695 84950
-
Mail Us @
[email protected]
Weldolets
Weldolets drastically reduce pipeline fabrication time compared to traditional tee fittings. The contoured base seamlessly saddles onto the main run pipe, while the beveled top allows for a full penetration butt-weld to the branch pipe. This design restores the mechanical strength lost when a hole is cut into the header.
Moksh Tubes & Fittings LLP is a leading manufacturer, supplier, and exporter of Weldolets in India. We cater to high-pressure piping manifolds in Indian petrochemical plants and major Gulf / GCC nations including UAE, Saudi Arabia, Qatar, Oman, and Kuwait.
Manufactured through closed-die hot forging, our Weldolets are devoid of internal porosity. We supply them in Carbon Steel (A105N), Low-Temp Carbon Steel (LF2), Stainless Steel (316L), and exotic superalloys to handle the most demanding corrosive environments.
Download Weldolet Datasheet
Get the complete Weldolet datasheet with chemical composition, mechanical properties, heat treatment details, and applications. Enter your email to receive the PDF instantly.
We respect your privacy. Your email will only be used to send the datasheet.
SPECIFICATIONS
| Category | Details |
|---|---|
| Material | Carbon Steel, Stainless Steel, Alloy Steel, Duplex / Super Duplex Steel, Nickel Alloys, Titanium |
| Run Pipe Size (Header) | 1/2" to 36" (and larger custom consolidations) |
| Branch Pipe Size | 1/8" to 24" (Weldolets can handle much larger branches than Sockolets) |
| Wall Thickness Rating | STD (Standard), XS (Extra Strong), Schedule 160 |
| Connection Type | Base: Welded to Run Pipe | Branch: Beveled for Butt Weld (BW) |
| Dimensional Standards | MSS-SP-97, ASME B16.9 (Bevel preparation B16.25) |
Weldolets weight chart
| Branch Size (NPS) | Face to Run Pipe (A) (mm) | Branch OD (B) (mm) | Branch ID (C) (mm) | Approx. Weight (kg) |
|---|---|---|---|---|
| 1/2" | 15.9 | 21.3 | 15.8 | 0.10 |
| 3/4" | 19.1 | 26.7 | 20.9 | 0.15 |
| 1" | 22.2 | 33.4 | 26.6 | 0.25 |
| 1-1/2" | 33.3 | 48.3 | 40.9 | 0.50 |
| 2" | 38.1 | 60.3 | 52.5 | 0.80 |
| 3" | 44.5 | 88.9 | 77.9 | 1.60 |
| 4" | 50.8 | 114.3 | 102.3 | 2.40 |
| 6" | 60.3 | 168.3 | 154.1 | 5.50 |
| 8" | 69.9 | 219.1 | 202.7 | 10.00 |
| 10" | 77.8 | 273.0 | 254.5 | 16.50 |
*Dimensions based on MSS-SP-97. The branch is beveled to a 37.5° angle per ASME B16.25 for full penetration butt welding.
Available Forged Grades & Materials
| Material Type | ASTM Forging Specification & Grades |
|---|---|
| Carbon Steel | ASTM A105, ASTM A105N (Normalized) |
| Low Temp Carbon Steel (LTCS) | ASTM A350 LF2, LF3 |
| Alloy Steel | ASTM A182 F1, F5, F9, F11, F22, F91 |
| Stainless Steel | ASTM A182 F304/304L, F316/316L, F321, F347 |
| Duplex & Super Duplex | ASTM A182 F51 (UNS S31803), F53 (UNS S32750) |
| Nickel Alloys | Inconel 600/625, Hastelloy C276, Monel 400 |
NICKEL ALLOYS
STAINLESS STEEL
DUPLEX & SUPER
TITANIUM ALLOYS
Haynes Superalloys
Inconel
Applications of Weldolets
Weldolets are the standard for high-criticality branch connections in heavy industry:
Oil & Gas Pipelines
- Branching off crude oil mains into distribution headers without compromising structural integrity.
Petrochemical Plants
- Used for large-bore branch connections where high flow rates and high pressures are present.
Power Generation
- Critical for tapping into ultra-high-pressure steam lines (requiring Alloy Steel F91 Weldolets).
Chemical & Pharmaceutical
- Smooth internal bore prevents crevices, making it ideal for corrosive and sanitary environments (316L).
Desalination Plants
- Duplex and Super Duplex Weldolets are used to branch highly corrosive seawater pipelines.
Offshore Platforms
- High-strength, fully radiographable joints are mandatory on offshore oil rigs to prevent catastrophic leaks.
Features & Advantages
Branch Connection
Provides a strong and reliable branch pipe connection.
Corrosion Resistance
Excellent corrosion and oxidation resistance.
High Strength
High mechanical strength and durability.
Extreme Conditions
Suitable for high-pressure and high-temperature services.
Cost Effective
Reduces welding time and fabrication costs.
Smooth Flow
Smooth flow with minimal turbulence.
Leak-Proof
Provides a leak-proof butt weld connection.
Long Service Life
Guarantees an extended operational service life.
Global Standards
Manufactured to international quality standards.
Mechanical Properties (Forged Carbon Steel A105N)
| Grade | Tensile Strength (MPa) | Yield Strength (MPa min) | Elongation (%) | Hardness (HB max) |
|---|---|---|---|---|
| ASTM A105 / A105N | 485 | 250 | 22 | 187 |
*A105N indicates the forging has been Normalized, guaranteeing superior toughness and impact resistance at low temperatures.
Why Choose Moksh Tubes?
Frequently Asked Questions (FAQ)
Why use a Weldolet instead of a standard Tee fitting?
Weldolets are much cheaper and easier to install than cutting a large section out of a main pipe to install a Tee. They also cause less flow disruption and require only one hole to be cut and two welds to be made (one to the header, one to the branch), compared to three welds for a Tee.
Can a Weldolet be X-rayed?
Yes. Because the branch connection is a full penetration butt-weld, it can be 100% radiographically tested (X-rayed) to ensure there are no internal weld defects. This makes Weldolets the mandatory choice for highly critical, high-pressure pipelines where Sockolets cannot be used.
What does "XS" mean in Weldolet sizing?
XS stands for "Extra Strong". It dictates the wall thickness of the branch connection. An XS Weldolet is designed to be butt-welded to a Schedule 80 pipe. A "STD" Weldolet matches a Schedule 40 pipe, and a "Sch 160" Weldolet matches a Schedule 160 pipe.
How is the hole cut into the run pipe?
The hole in the run pipe perfectly matches the inside diameter (ID) of the Weldolet. It is usually cut using a hole saw, plasma cutter, or oxy-acetylene torch, and then ground smooth before the Weldolet is welded over it.
Contact Us
For further information, technical specifications, quotes, or custom alloy requirements for Weldolets, Moksh Tubes & Fittings LLP is your trusted manufacturer for forged branch connections.
Get in Touch