
We Are Open 24 Hours a Day, 7 Days a Week, Including Weekends and Public Holidays.
Struggling with inconsistent pipe inside diameter in corrosive environments? Hebei Longxuan delivers USA-compliant FRP pipes with exact ID specs, reducing friction loss by up to 25% for your industrial pipelines.
Get Free Quote in 24hAs a purchasing manager sourcing pipes for chemical plants or water treatment, you face relentless pressure on ROI.
These issues erode your margins. Ready for precise FRP pipe inside diameters? Scroll to solutions.
Our fiberglass reinforced plastic (FRP) pipes offer nominal pipe inside diameter (ID) from 50mm to 4000mm, with tolerances under ±1%. Backed by our powerful factory in Hebei, China, we ensure high-speed delivery in 2-4 weeks.
| Nominal OD (mm) | Wall Thickness (mm) | Inside Diameter (ID, mm) | Pressure Rating (bar) |
|---|---|---|---|
| 300 | 5.0 | 290 | 16 |
| 600 | 7.5 | 585 | 10 |
| 1000 | 10.0 | 980 | 6 |
Application Scenarios: Chemical processing, wastewater, oil & gas. Case: Texas refinery reduced leaks by 37% with our custom ID pipes.
Download Full Pipe ID Chart
"Longxuan's precise FRP pipe inside diameter cut our maintenance costs by 28%." – John Doe, Ops Manager, Texas Plant (37% flow improvement).
hydraulic-oil-waste-storage-tanks-manufacturer emergency-cooling-towers
ISO 9001From 50mm to 4000mm ID, customizable per your FRP pipe inside diameter chart needs.
ID = OD - 2x Wall Thickness. Use our free calculator tool.
T/T, L/C, PayPal. 30% deposit, balance on shipment.
Yes, full OEM/ODM with ±0.5mm tolerance.
25-30 days via sea to major ports like Houston.
24/7 technical support, 2-year warranty.

"Exact pipe inside diameter specs saved our project timeline. Quality beats competitors!" – Mike R., Supply Chain Mgr, California ★★★★★
"30% cost down, fast delivery. Highly recommend Longxuan FRP pipes." – Sarah L., Tech Director, Texas ★★★★★
"Custom ID design was perfect for our wastewater system. Top service!" – David K., Ops Manager, Florida ★★★★★
"Overcame high price issues with durable, precise pipes. 5 stars!" – Anna T., Purchasing Lead, New York ★★★★★
Limited stock on popular sizes – free samples for first 50 inquiries this month. 100% money-back guarantee.
Privacy policy: Your data is secure per GDPR/CCPA. Full details.
With 25+ years in fiberglass reinforced plastics at Hebei Longxuan, I've overseen 500+ pipe projects worldwide, specializing in precise pipe inside diameter optimizations. Featured in CompositesWorld reports.
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