Forged Flanges
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Weld Neck Flange
Engineered for extreme pressure. Its tapered hub optimizes stress distribution, making it the premier choice for high-pressure and critical temperature systems.
Slip-On Flange
A cost-effective, easy-to-install solution for low-pressure systems, featuring versatile design and double-welded seals for long-term, leak-proof operational stability.
Blind Flange
A heavy-duty safeguard for system isolation, providing secure pipe termination and rapid access for essential periodic inspection and maintenance.
Plate Flange
Directly manufactured from premium raw materials, our Plate Flanges ensure superior structural integrity and strictly adhere to the world’s most rigorous engineering standards.
| Parameter | Technical Details | Excellence & Compliance |
|---|---|---|
| Flange Type | Weld Neck, Slip-On, Blind, Plate Flange,Socket Weld, Lap Joint, Threaded, etc. | Tailored Solutions: Fully customizable based on your unique engineering drawings. |
| Size Range | 1/2″ – 160″ (DN15–DN4000) | Versatile Wall Thickness: Full range availability to match any piping schedule |
| Pressure Class | 150# – 2500# | High-Pressure Certified: Engineered for stability in extreme high-pressure environments. |
| Face Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ),Male/Female, Tongue/Groove | Micro-Machined Surfaces: Precision serrated or smooth finishes for superior sealing performance. |
| material | Carbon: ASTM A105, A350 LF2 Stainless: A182 F304/316, S31254 Alloy/Duplex: UNS S32750, S32760 | Full Traceability: 100% heat-traceable with EN 10204 3.1 MTC provided for every order. |
| Standard | ASME B16.5/B16.47, ANSI, DIN 2633, EN 1092-1, GOST,BS | Global Interoperability: Manufactured to strictly align with major international industry codes. |
| Inspection | UT (Ultrasonic), Hydrostatic, PMI, X-Ray, Magnetic Particle | Verified Transparency: Comprehensive support for Third-Party Inspection (SGS/BV). |
Custom Engineered Flanges
Bespoke Forging | Exotic Materials | Complex Geometries
Beyond standard specifications, LEKE specializes in manufacturing custom flanges based on your unique technical drawings. Whether it’s non-standard dimensions, special facing requirements, or high-performance alloy materials, our engineering team ensures 100% geometric accuracy and structural integrity.
Why Choose LeKe Flanges?
Own Manufacturing Base
Operated by our 10,000 m² facility, ensuring total control over the production timeline and material purity.
100% Full Thickness
We strictly adhere to international standards. We never compromise on safety by using “under-tolerance” materials.
Advanced CNC Machining
Every sealing face and bolt hole is CNC-machined for zero-defect alignment and leak-proof performance.
Premium Material Source
We use top-grade steel billets to ensure excellent grain structure and long-term durability.
The LeKe Reliability Standard
Quality is Forged, Not Just Inspected.
Material Verification
PMI and chemical analysis for every batch of raw steel billets.
Internal Testing
Ultrasonic Testing (UT) to ensure zero internal cracks or defects.
Dimension Audit
Precision measurement to guarantee strict adherence to tolerance specs.
Surface Treatment
High-grade anti-rust oil or hot-dip galvanizing for long-distance transit.
Partner with a Professional Manufacturer.
Don’t risk your project with unverified traders. Get your flanges directly from the source.
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Leke piping
LeKe piping produce high-quality steel pipes, fittings, and flanges at affordable prices,without compromising on product quality.
Our customized solutions help customers succeed in the market.
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