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As a US operations manager, you face high costs and low-quality seals from unreliable suppliers. Our FRP O-ring flanges solve corrosion, leakage, and supply delays with proven durability—trusted by industrial leaders.
In demanding US industrial environments, subpar O-ring flanges lead to frequent failures. Here's what you're up against:
Ready to cut these pains? Explore our solution below.
Hebei Longxuan Environmental Protection Equipment Co., Ltd.—your premier FRP partner in Hebei, China—delivers FRP O-ring flanges with corrosion resistance, lightweight design, and seamless integration for pipelines, cooling towers, and chemical systems.
Core advantages:
| Parameter | Specification |
|---|---|
| Material | FRP with EPDM O-Ring |
| Size Range | DN50-DN2000 (2"-80") |
| Pressure Rating | PN10-PN16 (150 PSI) |
| Temperature | -50°C to 120°C |
| Standards | ASTM D2996, ISO 9001 Compliant |
Case Study: Texas chemical plant reduced leaks by 95% with our custom FRP O-ring flanges, saving $120K/year.
Join 500+ US clients who've upgraded to our O-ring flanges.
"Switched to Longxuan FRP O-ring flanges—cut costs 32% and zero failures in 18 months." – Mike R., Ops Manager, Texas Petrochem (saved $85K).
Full compliance ensures seamless US imports. Schedule demo.
DN50 to DN2000, fully OEM/ODM. Free design consultation via email.
7-14 days sea freight; express options available. Track via our portal.
T/T, L/C, PayPal. 30% deposit, balance pre-shipment—secure for US buyers.
Yes, FRP + Viton O-rings resist acids/alkalis better than steel (5x lifespan).
2-year warranty; free replacements + 24/7 tech support.

Yes, for qualified buyers—covers small sizes.
Submit RFQ via form/WhatsApp; MOQ 50 units.
Sarah L., Supply Chain Manager, California Water Treatment
"Outstanding FRP O-ring flanges—perfect seal, fast ship. Saved us 28% vs competitors!"
Tom K., Technical Director, Florida Chem Plant
"Custom design arrived in 10 days. Quality beats US suppliers at half price."
David M., Ops Manager, Texas Power
"No leaks after 1 year. Highly recommend Longxuan for O-ring flange needs."
Lisa P., Purchasing Lead, New York Industrial
"Excellent service & certs. Transformed our pipeline reliability."
Free samples for first 50 inquiries this month. 100% money-back guarantee. Reduce costs by 30% risk-free.
Or contact: +86 18631823130 | WhatsApp | longxuanfrp@gmail.com
20 Xingyuan South Street, Zaoqiang County, Hengshui, Hebei, China | Contact Page
Privacy policy: Fully GDPR/CCPA compliant.
With 25+ years in fiberglass reinforced plastics at Hebei Longxuan, I've led 200+ OEM projects for US firms. Featured in FRP Journal; ASME contributor on corrosion-resistant flanges.
Customization can include size, material, structure, surface treatment, color, performance parameters, and packaging based on customer requirements.
Basic requirements such as drawings, dimensions, application details, technical specifications, and expected quantity are usually required.
Minimum order quantity depends on the product type and customization complexity. Please contact us for specific MOQ details.
Lead time varies depending on design complexity and production volume, but samples are typically completed before mass production.





Address
20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China