TTU INDUSTRIAL CORP.LTD - TECHNICAL
🔹 TTU Butt-Welding Fittings – Professional Overview
Definition: TTU fittings are forged or welded pipe components designed to connect, change direction, or reduce pipe size in pressurized systems. They are known for high-quality manufacturing, dimensional accuracy, and compliance with global standards.
Application Areas
Fire fighting systems – sprinkler and hydrant piping networks
HVAC installations – chilled water and heating systems
Petrochemical plants – handling high-pressure fluids
Shipbuilding and construction – durable piping connections in harsh environments
Product Types
Elbows (90°, 45°) – change pipe direction
Tees – branch connections
Reducers – transition between different pipe diameters
Caps – pipe end closure
Special fittings – scraper bar tees, custom designs
Advantages
High dimensional accuracy – strict tolerances and wall thickness schedules
Wide size range – from ½” to 48”
Durable materials – carbon steel, stainless steel, alloy steel
Global standards – ANSI, DIN, JIS compliance
Superior mechanical properties – corrosion resistance and pressure fatigue strength
Customizable – available in standard or client-specific specs
📊 Technical Specifications
| Feature | Specification |
|---|---|
| Manufacturing | Forged or welded |
| Materials | Carbon steel, stainless steel, alloy steel |
| Standards | ANSI, DIN, JIS |
| Sizes | ½” to 48” |
| Thickness | SCH 10 to SCH 160 |
| Surface finish | Black, galvanized, epoxy-coated |
| Application | Fire fighting, HVAC, petrochemical, shipbuilding |
Certifications
TTU fittings are manufactured to meet international standards, but not UL/FM certified by default.
For fire protection projects requiring UL/FM, TTU may be used in non-critical zones or where local approvals allow.