DN15-DN600 304 Stainless Steel Flow-Guide Flange Guard: Corrosion-Resistant Sealable Shield for Fluid Transfer Systems

• Customization: Available
• Standard: ISO9001
• Type: Flange Protection Covers
• Model NO.: DN20
• Material: 304 Stainless Steel
• Structure: Round
• Connection: Flanged
• Sealing Surface: Other
• Manufacturing Way: Soldering
• Customized Service: Support
• Applicable Temperature: -50ºC-+500ºC
• Province: Zhejiang
• Color: White
• Service Life: 5 Years
• Certification: Jxcc
• Transport Package: Carton
• Specification: According to the specific size
• Trademark: LANYI
• Origin: China
• Production Capacity: 2000000pieces/Year

Product Description

Model	Outer Diameter (mm)	Inside Diameter (mm)	Height (mm)
DNxx	D(φ)	D1(φ)	H
DN15	105	32	80
DN20	115	40	85
DN25	125	46	85
DN32	150	56	95
DN40	160	64	95
DN50	175	74	95
DN65	195	92	95
DN80	210	105	100
DN100	235	131	100
DN125	265	156	110
DN150	300	184	120
DN200	355	235	120
DN250	420	292	135
DN300	475	344	145
DN350	540	410	150
DN400	600	464	160
DN450	660	512	170
DN500	735	578	195
DN600	860	670	225

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.

FAQ
Q1:Are you manufacturer?
A: Yes, We are manufacture since from 2000, is a well-known company with good reputation in China.
Q2:If  I need sample, could you support?
A: We can supply you with the sample for free, but the delivery charges will be covered by our customers. For avoiding the misunderstanding, it is appreciated if you can provide the International Express Account for Freight Collect.
Q3: What's your MOQ?
A: 1000 pieces per model.
Q4: How do you charge the mold fee?
A: In case we need to open new mold for your ordered profiles, the mold fee will be refunded to customers when your order quantity reaches a certain amount.
Q5: What is the difference between theoretical weight and actual weight?
A: Actual weight is the actual weight including packaging. Theoretical weight is identified according to the drawing, calculated by of the weight of each meter multiplied by the length of profile.
Q6: How do you quote price, per piece?
A: We provide more than two pricing modes
Q7: How can you ensure high quality?
1) We have our own material production workshop and die factory for 20 years.
2) 100 workers, and workers should be well trained before go to work.
3) 100% QC on line and final inspection, no any defective products can be out from our factory.
4) We have a lot of certificates to ensure our quality, such as ISO9001:2015, ,SGS
certificate,  etc.
Q8:What's your payment term?
A: 30% T/T deposit + 70% T/T before shipping.