Haihao Group Supplies EN 1092-1 P285NH Reducing Threaded Flanges to Singapore
Haihao Group has successfully completed the production and shipment of a batch of EN 1092-1 P285NH reducing threaded flanges for a customer in Singapore. The order included specially designed RF threaded reducing flanges manufactured for industrial piping applications requiring reliable pressure performance, dimensional accuracy, and stable material properties.
The project once again highlights Haihao Group’s manufacturing capability in supplying customized European-standard flange products for international industrial projects.
Product Details of the Reducing Threaded Flange Order
The supplied product specifications are as follows:
| Product | Size | Pressure Rating | Standard | Material |
|---|---|---|---|---|
| Reducing Threaded Flange RF | 1.5″ x 0.5″ | PN40 | EN 1092-1 | P285NH |
Additional Technical Requirements
| Item | Specification |
|---|---|
| Backup Production Material | ASTM A350 LF2 |
| Surface Protection | Anti-rust Oil Coating |
| Color Identification | Grey RAL-7001 |
| Aluminum Content | 0.02–0.06% |
| Maximum Carbon Content | ≤0.18% |
| Tensile Strength | 390–510 MPa |
| Minimum Yield Strength | ≥285 MPa |
The products were manufactured under strict inspection procedures to ensure full compliance with customer drawings and technical specifications.
Advantages of EN 1092-1 P285NH Reducing Threaded Flanges
The EN 1092-1 P285NH reducing threaded flange is widely used in industrial piping systems where different pipe sizes must be connected efficiently while maintaining reliable sealing performance.
P285NH is a normalized pressure vessel steel grade known for:
- Stable mechanical properties
- Good weldability
- Reliable pressure resistance
- Excellent machining performance
- Suitability for medium-temperature service conditions
For projects involving utility pipelines, pressure systems, and industrial processing equipment, the use of a high-quality PN40 threaded reducing flange helps improve piping reliability and installation efficiency.
Haihao Group carefully controls machining tolerance, thread precision, and sealing face finish during production to ensure dependable field performance.
Strict Production and Inspection Procedures
For this Singapore order, Haihao Group applied comprehensive quality management throughout the production cycle. Every P285NH threaded flange underwent detailed inspection before shipment, including:
- Raw material verification
- Chemical composition testing
- Dimensional inspection
- Thread accuracy checking
- Surface quality examination
- Pressure rating confirmation
- Protective coating inspection
The flanges were coated with anti-rust oil to reduce corrosion risk during transportation and storage. Grey RAL-7001 color markings were added according to customer requirements for quick material identification at the project site.
Customized Flange Manufacturing Capability
Haihao Group provides customized manufacturing services for a wide range of industrial flange products, including:
- Threaded flanges
- Welding neck flanges
- Slip-on flanges
- Blind flanges
- Reducing flanges
- Special drawing flanges
- EN standard flanges
- ASME standard flanges
With extensive export experience, Haihao Group supports customers from Southeast Asia, Europe, the Middle East, and South America with reliable piping component solutions.
Reliable Partner for International Piping Projects
As a professional piping products manufacturer and exporter, Haihao Group focuses on product quality, delivery reliability, and technical support. Our team works closely with customers to meet project requirements involving materials, standards, testing, coatings, and customized dimensions.
Whether for pressure vessels, industrial pipelines, or energy facilities, Haihao Group can provide dependable EN 1092-1 P285NH reducing threaded flange solutions for global engineering projects.
We welcome inquiries for customized flange products and industrial piping components.