Threaded Pipe Fittings
- Reliable Sealing: Tapered threads and precise machining ensure tight, leak-resistant joints in high-pressure piping systems.
- Wide Compatibility: Supports multiple materials and thread standards for integration with existing industrial, commercial, and utility pipelines.
- High Pressure Rating: Designed for 2000 lb, 3000 lb, and 6000 lb service classes in demanding environments.
- Full Size Range: Covers common nominal pipe sizes from 1/8″ to 4″ NPS for flexible system design.
- Easy Installation: Threaded connections allow quick assembly, disassembly, and modification without welding operations.
Technical Specifications
| Item | Specification |
| Product Name | Threaded Pipe Fittings |
| Types Available | Elbow, tee, cross, coupling, half-coupling, cap, nipple |
| Material Options | Carbon steel ASTM A105; Stainless steel ASTM A182 F304/F316; Alloy steel on request |
| Size Range | 1/8″–4″ NPS (DN6–DN100) |
| Pressure Class | 2000 lb, 3000 lb, 6000 lb |
| Thread Standards | ASME B1.20.1 NPT; ISO 7/1 BSPT or BSPP (on request) |
| Temperature Range | -29°C to +425°C (depending on material grade) |
| Manufacturing Process | Forging or bar stock machining → Heat treatment (if required) → CNC machining → Inspection |
| Machining Accuracy | Typical dimensional tolerance ±0.1 mm; thread gauged 100% |
| Surface Finish | Shot blasted or machined finish with anti-rust oil; pickling/passivation for stainless steel |
| Testing & Inspection | 100% visual and dimensional check; pressure / leakage test available per order |
| Certifications | EN 10204 3.1 material certificates; additional documents on request |
| Typical Delivery Time | 30–45 days, depending on size mix and quantity |
| Packaging | Cartons on pallets or seaworthy plywood cases, with product labels and heat numbers |
Applications
- Oil and gas pipelines and manifolds
- Chemical and petrochemical processing plants
- Water supply and treatment systems
- HVAC and building services piping
- Power generation and boiler lines
- Fire protection and sprinkler networks
- General industrial fluid and gas distribution
Production Process
Our precision casting production process integrates wax modeling, automated shell making, controlled pouring, heat treatment, and machining to ensure dimensional accuracy, integrity, and quality.

Wax Injection

Shell Making

Shell Baking

Pouring

Shot Blasting

Heat Treatment

Machining

Inspection
Advanced Workshop
Advanced workshops include wax model production, CNC robotic shell making, semi-automatic pouring, baking furnaces, and machining centers supporting automation, efficiency, flexibility, and operations.

Medium Temperature Wax Workshop

Low Temperature Wax Workshop

9-axles CNC Shell-making Robot Arm Workshop

Semi-auto Pouring Machine

Baking Furnace

Horizontal CNC Machining Center
New Shell Making Automation Line
New shell making automation line optimizes reduction processes, improves production efficiency, ensures reliable equipment operation, extends running time, and significantly reduces labor intensity overall.

Shell Making Automation Line No. 01 – Small & Medium Parts
Automated shell making line for small and medium castings improves shell uniformity, reduces manual intervention, and enhances production stability and efficiency.

Shell Making Automation Line No. 02 – Large Parts
Specialized automation line supports large investment castings, handling complex geometries and higher weights while maintaining shell strength and process reliability.

Shell Making Automation Line No. 03 – Investment Casting
Optimized shell making system streamlines reduction processes, improves efficiency, ensures long-term equipment reliability, and significantly reduces labor intensity.
Quality Inspection
Comprehensive quality inspection system covering materials, processes, dimensions, and final products to ensure traceability, consistency, and full compliance with customer specifications.

Zeiss CMM Machine

X-ray Flaw Detector

100T Horizontal Tensile Testing Machine

Rockwell Hardness Standard Machine
Logistics & Delivery
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.
