
Table of Contents
Butt-Weld Fittings
- Complete Size Coverage
- Rigorous Testing
- Premium Raw Materials
- Multi-Standard Compliance
Product Range Overview
| Parameter | Range |
| Size Range | DN10 – DN2000 (NPS 1/8″ – 80″) |
| Wall Thickness | Sch10, Sch20, Sch40, Sch60, XS |
| PN Pressure Ratings | PN0.25MPa, PN0.6MPa, PN1.0MPa |
| Class Pressure Ratings | Class150, Class300, Class600, Class900, Class1500, Class3000LB |
| Materials Available | 304 / 304L / 316 / 316L / Duplex 2205 / Duplex 2507 |
| Applicable Standards | GB/T12459, GB/T13401, ASME B16.9, SH3408, SH3409, SH3410, HG/T21635, DL/T695, SY/T0510, DIN2615 |
Manufactured with Excellence. Certified for Safety.
Factory Introduction:
Nonleak operates a 50,000m² ISO 9001 certified manufacturing facility with fully automated butt-weld fitting production lines. Our commitment to quality begins with raw material selection (Baosteel / Tisco sourced) and continues through every stage of production, ensuring dimensional precision.
Industrial Grade for Critical Applications
Nonleak’s butt-weld fittings are precision-engineered to provide seamless, leak-proof connections for the most demanding industrial environments. With a comprehensive size range from DN10 to DN2000 and multiple pressure class options, we deliver complete piping solutions for oil & gas, chemical processing, power generation, and shipbuilding. Every fitting is fully traceable and rigorously tested to meet or exceed international specifications.
Products List
Why Choose Nonleak Butt-Weld Fittings?
Complete Size Coverage
From DN10 to DN2000 – one source for all your project needs, from small retrofits to large-scale infrastructure.
Rigorous Testing
Every batch undergoes chemical analysis, mechanical property testing, and non-destructive examination (RT/UT/PT/MT) to ensure zero defects.
Premium Raw Materials
Sourced from top-tier steel mills (Baosteel, Tisco) with 100% material traceability.
Multi-Standard Compliance
Manufactured to meet GB, ASME, DIN, petrochemical SH, and chemical HG standards – suitable for both domestic and export projects.
Standards Compliance Details
| Standard | Description |
| GB/T 12459-2005 | Seamless butt-welding pipe fittings for steel |
| GB/T 13401-2005 | Plate-formed butt-welding pipe fittings |
| ASME B16.9 | Factory-Made Wrought Butt-welding Fittings |
| SH3408 / SH3409 / SH3410 | Steel butt-welding pipe fittings for petrochemical industry |
| HG/T21635 | Seamless butt-welding pipe fittings – carbon & low alloy steel |
| DL/T 695 | Steel butt-welding pipe fittings for power stations |
Request a Quote or Technical Consultation
- ✓ Your inquiry will be responded to within 8 hours
- ✓ Technical datasheets available upon request
- ✓ Custom manufacturing supported for large-scale projects
Applications
Oil & Gas pipelines (onshore & offshore)
Chemical & Petrochemical processing plants
Power generation (thermal, nuclear, renewable)
Shipbuilding & marine engineering
Water treatment & desalination facilities
Pharmaceutical & food processing (sanitary grade available upon request)
Mining & mineral processing
Pulp & paper industry



