DN15
ISO9001
Flange Protection Covers
PTFE
Round
Flanged
Other
Sewing
Support
-35ºC-+230ºC
Zhejiang
1 Year
Jxcc
LANYI
Carton
According to the specific size
China
Product Description


Model | Outer Diameter (mm) | Inside Diameter (mm) | Height (mm) |
DNxx | D(φ) | D1(φ) | H |
DN15 | 107 | 30 | 94 |
DN20 | 118 | 40 | 94 |
DN25 | 122 | 42 | 94 |
DN32 | 146 | 60 | 94 |
DN40 | 156 | 60 | 94 |
DN50 | 170 | 67 | 94 |
DN65 | 195 | 88 | 105 |
DN80 | 210 | 130 | 105 |
DN100 | 230 | 140 | 110 |
DN125 | 256 | 150 | 110 |
DN150 | 290 | 180 | 110 |
DN200 | 366 | 244 | 120 |
DN250 | 430 | 300 | 130 |
DN300 | 490 | 360 | 140 |
DN350 | / | / | / |
DN400 | / | / | / |
DN450 | / | / | / |
DN500 | / | / | / |
DN600 | / | / | / |








Zhejiang Lanyi New Materials Co., Ltd.
Established in 2024 and headquartered in Yanpan Industrial Zone, Yueqing City, Zhejiang Province, Zhejiang Lanyi New Materials Co., Ltd. specializes in delivering safe, high-quality products and services to industries including chemical, petroleum, pharmaceutical, metallurgy, power generation, and shipbuilding. With a focus on enhancing inspection systems, maintaining pipeline operations, mitigating safety hazards, and ensuring industrial safety, the company has developed a comprehensive range of pipeline protection solutions.
Our core products encompass flange protection covers crafted from diverse materials such as plastic, PVC, polypropylene, pure PTFE (stainless steel, along with detachable flexible insulation jackets. These solutions are designed to accommodate standard flange specifications while offering customized R&D and production capabilities to meet unique client requirements.
Equipped with state-of-the-art manufacturing and testing facilities, Zhejiang Lanyi employs advanced production techniques and a rigorous quality control framework, strictly adhering to the ISO 9000 Quality Management System. Our team of skilled professionals and streamlined management practices ensure operational efficiency and innovation-driven excellence.Over the years, our products and services have gained widespread recognition across industries such as power generation, petrochemicals, pharmaceuticals, heating supply, shipbuilding, oil and gas, food processing, metallurgy, and paper manufacturing. With a growing international footprint, our solutions are exported globally, earning consistent acclaim for reliability and performance.
Additionally, we specialize in PTFE (polytetrafluoroethylene) series products, further solidifying our commitment to delivering cutting-edge materials and protective technologies for industrial applications.
Zhejiang Lanyi New Materials remains dedicated to fostering safety, sustainability, and client success through innovation and precision engineering.

