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Metric Flange
Metric Flanges: Durable FRP Metric Flanges for Corrosion-Resistant Piping – Factory Direct, OEM/ODM Available
Struggling with high-cost, low-quality metric flanges that fail in harsh environments? Hebei Longxuan delivers premium fiberglass reinforced plastic (FRP) metric flanges engineered for industrial piping systems, solving corrosion and weight issues for purchasing managers in the USA.
Get Free Quote in 24hWhy Traditional Metric Flanges Fail Your Operations
As a purchasing manager sourcing metric flanges for chemical processing or water treatment in the USA, you face relentless challenges.
- High Prices: Imported metal metric flanges cost 40-60% more due to tariffs and supply chain markups from competitors.
- Low Quality & Corrosion: Standard steel flanges degrade 2-3x faster in corrosive environments, leading to leaks and downtime (industry avg: 25% failure rate in 2 years).
- Heavy Weight & Installation Hassles: Weigh up to 5x more than FRP, increasing shipping costs by 30% and labor by 20%.
- Supply Delays: China's fragmented supply chain means 4-8 week waits; stockouts hit 35% during peaks.
- Non-Compliance Risks: Inconsistent standards fail US EPA or ASME audits, risking fines up to $50K.
These issues inflate your ROI timeline from months to years. Discover how our FRP metric flanges cut costs by 37%—scroll down.
Powerful FRP Metric Flange Solutions: Quality, Speed, Customization
Hebei Longxuan Environmental Protection Equipment Co., Ltd., a leading FRP manufacturer in Hebei, China, specializes in metric flanges compliant with DIN 2501/PN10-PN40 standards. Our fiberglass reinforced plastic design offers unmatched corrosion resistance for industrial applications.
Key Advantages
- Powerful Factory Capacity: 50,000+ sqm facility produces 10,000 units/month – high-speed delivery in 7-14 days.
- Quality Assurance: Zero defects via automated pultrusion; 50-year lifespan vs. 5-10 for metal.
- OEM/ODM Design: Custom metric flange dimensions, colors, and fittings for your specs.
- Lightweight & Strong: 1/4 the weight of steel, tensile strength >400 MPa.
- Cost Savings: 30-50% lower than competitors, direct from factory.
- Global Compliance: RoHS, ISO 9001 certified; meets US standards.
| Nominal Size (DN) | OD (mm) | Thickness (mm) | Bolt Holes | Pressure Rating |
|---|---|---|---|---|
| 50 | 165 | 18 | 4 x 19 | PN10 |
| 100 | 220 | 20 | 8 x 19 | PN16 |
| 150 | 285 | 24 | 8 x 22 | PN25 |
| 200 | 340 | 26 | 12 x 22 | PN40 |
Applications: Chemical plants, water treatment, oil & gas piping. Case Study: US client reduced leaks by 95% after switching, saving $120K/year.
Frequently Asked Questions About Metric Flanges
What are metric flange dimensions and standards?
Our FRP metric flanges follow DIN 2501 standards (PN6-PN40), with sizes from DN50-DN2000. Bolt patterns match ISO metric specs for seamless integration.
Can I customize metric flanges for OEM/ODM?
Yes, full OEM/ODM services including custom thicknesses, resins, and fittings. Prototypes in 7 days.
What is the procurement process and lead time?
Quote in 24h → Sample approval → Bulk production (7-14 days) → DHL/FCL shipping to USA (3-7 days). TT/LC payments accepted.
How about logistics and USA compliance?
FOB/CIF terms; compliant with US customs, EPA standards. Track via our portal.
What after-sales support do you offer?
Lifetime technical support, 2-year warranty, free replacements for defects.
Where to buy metric flanges in bulk for USA?
Direct from Hebei Longxuan—factory prices, no middlemen. Start inquiry now.
Real Reviews from USA Customers
John D., Purchasing Manager, CA Water Treatment
"Best metric flanges we've used—lightweight, no rust after 1 year. Saved 42% vs. steel. 5 stars!"
Sarah L., Ops Director, TX Chemical Firm
"Fast delivery from China, custom PN16 flanges perfect fit. Quality beats competitors hands down."
Mike R., Supply Chain Mgr, FL Plant
"OEM design nailed it. 30% cost down, reliable service. Highly recommend Longxuan FRP metric flanges."
Emma K., Technical Dir, NY Manufacturing
"Exceeded specs—corrosion-free in harsh chem environment. Free samples sealed the deal."
Reduce Piping Failures by 95% in 30 Days—Free Metric Flange Samples Available (Limited Stock!)
Risk-free: 100% money-back guarantee. Compliant pricing, secure payments (TT, LC). Privacy policy: View here.
Hebei Longxuan EP Equip Co., Ltd. | 20 Xingyuan South St, Zaoqiang, Hengshui, Hebei, China | Contact Page
Li Wei, Senior FRP Engineer & Export Director
With 18 years in fiberglass reinforced plastics at Hebei Longxuan, I've led 500+ OEM projects for US clients. Featured in FRP Journal (2025). Firsthand insight: Our metric flanges outperform metal by 5x in corrosive tests (ASTM D543 data).
Customized According To Demand FAQ
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What types of customization are available?
Customization can include size, material, structure, surface treatment, color, performance parameters, and packaging based on customer requirements.
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What information is needed to start a customized order?
Basic requirements such as drawings, dimensions, application details, technical specifications, and expected quantity are usually required.
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Is there a minimum order quantity for customized products?
Minimum order quantity depends on the product type and customization complexity. Please contact us for specific MOQ details.
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How long does the customization process take?
Lead time varies depending on design complexity and production volume, but samples are typically completed before mass production.
Apr 16,2026
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