Standard Flanges
- High Pressure Resistance: Fit for pipelines with medium to high pressures.
- Easy Assembly & Maintenance: Bolt-and-gasket installation, convenient for inspection and replacement.
- Multiple Connection Forms: SO, WN, SW, BL, Threaded, Lap-joint…
- Universal Compatibility: Produced per international standards for cross-industry application.
- Wide Application Across Industries: Power, Petrochemical, HVAC, Marine, Water Systems.
Technical Specifications
| Parameter | Details |
| Size Range | DN15–DN2000 / 1/2″–80″+ |
| Pressure Grade | PN0.25–PN40 / 150#–2500# |
| Material Options | Carbon steel / Stainless steel / Alloy steel |
| Surface Treatment | Anti-rust oil, black paint, hot-dip galvanizing |
| Standards Available | GB, HG, JB, ASME B16.5, B16.47, DIN, JIS, ISO |
| Common Types | SO, WN, BL, SW, Threaded, Lap-joint, Orifice, Custom |
International Standard Systems
| Standard System | Representative Standards | Notes |
| American System (ASME/ANSI) | ANSI B16.5 / ANSI B16.47 | Widely used worldwide |
| European System (DIN/EN/GOST) | DIN2502, DIN2633, EN1092-1 | Popular in Europe/Asia |
| Japanese System | JIS B2220 | Mostly petrochemical and public construction |
| British/French Standards | BS4504 / NF | Less common globally |
| Unified ISO Standard | ISO7005-1:1992 | Combines US + German specification systems |
Customization & OEM Service
- Non-standard dimensional manufacturing
- Custom drilling, thickness & face finish
- Material upgrades: SS / alloy / duplex steel
- Custom stamping, marking & packaging
- OEM mass production & engineering solutions
- Design support based on drawings & application
Applications
- Refinery & Petrochemicals
- Boiler & Power Generation Systems
- Oil & Gas Transmission
- Water Supply & Drainage Projects
- HVAC & Mechanical Piping
- Shipbuilding & Marine Engineering
- Industrial Factory Pipelines
Manufacturing Capabilities
Forging Facilities
- 6300T / 3150T / 2000T free hydraulic presses.
- 5T, 3T, 2T, 1T, 750kg, 560kg electro-hydraulic hammers.
Heating Treatment Facilities
- RTX-9 series trolley furnaces in multiple sizes (5.5–8 m chamber length).
- RJ-9-850KW vertical furnace with 15 m depth.
- RTX-12-350KW high-temperature trolley furnace.
Machining Facilities
- CNC machines (max 32-ton load).
- Heavy-duty lathes and vertical mills (up to 70 tons).
- Gantry milling machines, deep-hole boring machines, grinding and turning centers.
Testing & Quality Control
- Spectrum analysis for chemical composition.
- Ultrasonic, non-destructive, and metallographic testing.
- Mechanical property test machines for yield, tensile, hardness.
Production Process
- Raw Material Selection: Use first-grade ingot steel, inspect chemical composition.
- Forging: Heat to precise temperature, perform open die or die forging.
- Heat Treatment: Quenching, tempering, or normalizing to meet mechanical targets.
- Machining: CNC turning, boring, milling, grinding, and drilling to precision ±0.01 mm.
- Inspection: Each shaft tested via 100% ultrasonic, hardness, and tensile checks.
- Packaging & Delivery: Anti-corrosion coating, safe transport packaging, global logistics support.
Additional Value-added Services
- Quench-and-temper heat treating
- Rough and finish turning
- Ultrasonic and mechanical testing
- Dimensional inspection reports
- Customized design and programming support
Quality Assurance
- Each forging carries a test bar for mechanical testing.
- 100% ultrasonic and visual inspection before shipment.
- Hardness, tensile, and metallographic verification.
- Compliance with ASTM, DIN, GB, and EN standards.
Why Choose Boberry

Integrated Production
Complete forging-to-machining production line ensures precision and fast delivery.

Advanced Equipment
Heavy-duty forging presses and CNC systems handle large, complex mechanical component geometries.

Certified Assurance
Certified production with ISO9001, PED, SGS compliance and global OEM support.
Logistics & Delivery
Lead Time: 15–30 days (urgent) / 30–45 days (normal).
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.
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.
