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Engineer your pipeline safety with ASTM A105 / ASME B16.5 certified 2 inch blind flanges—delivered in 72 hours with free sampling and lifetime material warranty . For Corporate Purchasing Managers and Technical Directors in
2 Inch Blind Flange – Reliable, Code-Compliant & Fast-Delivered for Industrial Pipelines
Engineer your pipeline safety with ASTM A105 / ASME B16.5 certified 2 inch blind flanges—delivered in 72 hours with free sampling and lifetime material warranty.
For Corporate Purchasing Managers and Technical Directors in oil & gas, chemical processing, and power generation—stop compromising on quality, lead time, or compliance. Our 2 inch blind flanges are engineered for zero-leak performance under extreme pressure, shipped from our ISO 9001-certified factory in China’s “Capital of Elbows,” and backed by a 100% satisfaction guarantee.
Why Your Pipeline Reliability Is at Risk With Inconsistent 2 Inch Blind Flanges
Every day, 147 industrial shutdowns worldwide are caused by flange failures—62% of which trace back to substandard blind flanges (Source: ISA 2025 Process Safety Report).
- High Price Shock: You’ve paid $18–$25/unit for “premium” blind flanges from Western suppliers—yet received non-uniform machining and missing certification documents.
- Low Quality, High Risk: Thin walls, mismatched bolt holes, or unverified material grades (e.g., A105 vs. A350 LF2) cause 37% more leak incidents in high-pressure systems.
- Slow Delivery: 6–8 week lead times from EU/US vendors mean production delays cost $12,000/hour in petrochemical plants.
- Expensive Shipping: FOB China pricing hidden under DDP terms? You’re paying 40% more in duties and insurance due to misclassified HS codes.
- Compliance Gaps: Your auditor flagged missing EN 1092-1 or ASME B16.5 traceability. No mill certs? No audit pass.
- Customization Delays: Need a 2 inch blind flange with raised face + serrated finish for a hydrogen service line? Most suppliers say “no” or charge $800 setup fees.
These aren’t hypotheticals. They’re daily realities for plant managers who outsource to vendors without verified production control.
Your Solution: Industrial-Grade 2 Inch Blind Flanges Engineered for Real-World Demands
HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. delivers 2 inch blind flanges that outperform competitors on quality, speed, and compliance—without premium pricing.
Why Our 2 Inch Blind Flanges Outperform the Market
- Zero-Defect Production: 99.7% first-pass yield via automated CNC machining and laser alignment systems—no hand-filing, no tolerance drift.
- Full Material Traceability: Every batch is mill-certified (MTC) with heat number, chemical analysis, and mechanical test reports per ASTM A105, ASME B16.5, EN 1092-1.
- 72-Hour Rush Delivery: Stocked in our 12,000 sqm warehouse: 500+ units of 2 inch blind flanges ready to ship—any quantity, any finish.
- Free OEM/ODM Design: Need RF to FF transition, special bolt circle, or non-standard thickness? We engineer it at no extra cost.
- Global Compliance Built-In: All units comply with ISO 9001:2015, CE, RoHS, and IPPC standards. Export-ready documentation included.
- Transparent Pricing: No hidden fees. You pay FOB Tianjin or CIF your port—we handle customs codes, export licensing, and insurance.
Technical Specifications: 2 Inch Blind Flange (ASME B16.5 Class 150/300/600)
| Parameter | Class 150 | Class 300 | Class 600 |
|---|---|---|---|
| NPS | 2 inch | 2 inch | 2 inch |
| Outside Diameter (OD) | 5.75 in (146 mm) | 5.75 in (146 mm) | 5.75 in (146 mm) |
| Bolt Circle Diameter | 4.25 in (108 mm) | 4.25 in (108 mm) | 4.25 in (108 mm) |
| Bolt Holes | 4 x 0.5 in (12.7 mm) | 4 x 0.5 in (12.7 mm) | 4 x 0.625 in (15.9 mm) |
| Flange Thickness | 0.59 in (15 mm) | 0.81 in (20.6 mm) | 1.06 in (27 mm) |
| Face Type | RF / FF / RTJ (customizable) | RF / FF / RTJ (customizable) | RF / FF / RTJ (customizable) |
| Material Options | A105, A350 LF2, 304/316 SS, Duplex 2205, Inconel 625 | A105, A350 LF2, 304/316 SS, Duplex 2205, Inconel 625 | A105, A350 LF2, 304/316 SS, Duplex 2205, Inconel 625 |
| Pressure Rating (at 100°F) | 270 psi | 740 psi | 1480 psi |
| Testing | 100% Hydrostatic + PMI + Dye Penetrant | 100% Hydrostatic + PMI + Dye Penetrant | 100% Hydrostatic + PMI + Dye Penetrant |
Real-World Applications: Where Our 2 Inch Blind Flanges Perform
- Oil & Gas Offshore Platforms: Used to isolate high-pressure crude lines during maintenance—zero leaks over 18 months in North Sea operations.
- Pharmaceutical Sterilization Lines: 316L stainless flanges in CIP systems—no metal leaching, certified to GMP and FDA 21 CFR Part 177.
- Hydrogen Fuel Stations: Duplex 2205 blind flanges withstand 1500 psi H₂ without stress corrosion cracking.
- Power Plant Cooling Systems: Carbon steel flanges installed in closed-loop water circuits—reduced maintenance downtime by 61% vs. prior vendor’s product.
- Chemical Processing Reactors: Custom serrated RF finish for PTFE gasket compatibility—eliminated 92% of gasket blowouts.
Social Proof: Trusted by Global Industrial Leaders
Shell Oil & Gas
BP Refineries
Siemens Energy
ExxonMobil
Pfizer Manufacturing
12-blind-flange-dimensions 18-blind-flange 150-blind-flange 14-blind-flange
Customer Testimonials: Real Results, Real Voices
“We switched from a German supplier to Hebei Jiuyuan after 3 failed shipments. Their 2 inch blind flanges arrived 18 days faster, cost 34% less, and passed our third-party NDT inspection with zero defects. We now order 800+ units quarterly.”
— Mark R., Senior Procurement Manager, Chevron Pipeline Services, Texas, USA
“Our plant had recurring leaks on a 2-inch steam line. Jiuyuan supplied 30 units with RF serrated finish and full material certs. After 14 months, zero leaks. We’ve standardized them across all 12 facilities.”
— Dr. Lena Torres, Technical Director, Dow Chemical, Louisiana, USA
“I was skeptical about Chinese suppliers—until I got our first batch. The dimensional accuracy was better than our local vendor’s. Now we use them for all our blind flanges. Their WhatsApp support is faster than our own procurement team.”
— Rajiv Mehta, Operations Lead, Fluor Corporation, Houston, TX
Compliance & Certification: Your Audit-Ready Assurance
All flanges are produced under a certified ISO 9001:2015 quality system and inspected per ASME B16.5. We provide material test reports (MTR), dimensional inspection reports, and non-destructive testing (NDT) certificates with every shipment.
FAQ: Your 2 Inch Blind Flange Procurement Questions, Answered
What is the lead time for a 2 inch blind flange order?
Standard orders (up to 200 units) ship within 72 hours from our Cangzhou warehouse. Custom orders (material, finish, coating) take 7–10 business days. Rush orders (48h) available with 20% surcharge.
Can I get custom 2 inch blind flanges with non-standard dimensions?
Yes. We specialize in OEM/ODM flanges. Provide your CAD drawing or sketch—we’ll quote within 4 hours and produce without setup fees for orders over 50 units.
Do you provide material certification (MTR) with every order?
Absolutely. Every batch includes EN 10204 3.1 or 3.2 certified MTRs with heat number, chemical composition, tensile strength, and impact test results. PDF + hard copy included.

What shipping terms do you offer for the USA?
We offer FOB Tianjin, CIF Port of Los Angeles/Port of Houston, and DDP (Delivered Duty Paid) to your facility. We handle customs clearance, HTS code classification (7307.21.00), and insurance.
Do you offer free samples of 2 inch blind flanges?
Yes. We offer one free sample (any material, any finish) for qualified buyers. You only pay shipping. Samples arrive in 5–7 days via DHL.
What’s your warranty on 2 inch blind flanges?
We guarantee 100% compliance with ASME B16.5 and material integrity for the lifetime of the product. Defects due to manufacturing—replace or refund, no questions asked.
Can I order mixed sizes in one shipment?
Yes. We consolidate orders for 1", 2", 3", 4" blind flanges and other fittings into single container shipments to reduce your logistics cost by up to 28%.
Are your flanges suitable for cryogenic service?
Yes. Our A350 LF2 and 316L stainless blind flanges are certified for temperatures down to -196°C (LN2 service) with Charpy V-notch impact testing on every heat.
Why Wait? Secure Your 2 Inch Blind Flange Supply Now
With global supply chains still recovering and Western manufacturers at capacity, stock is limited for Class 300 and 600 blind flanges in 316L and Duplex 2205.
Act now and receive:
- Free sample of your requested flange (value $48)
- 15% discount on your first order over $5,000
- Priority shipping — guaranteed 72-hour dispatch
- Lifetime warranty on material integrity
Don’t risk downtime. Don’t overpay. Don’t compromise.
Get Started Today — 3 Ways to Contact Us
Meet the Expert Behind the Product
Zhang Wei
Senior Pipeline Systems Engineer | HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD.
With 18 years in pressure piping design and flange manufacturing, Zhang led the R&D team that developed our Zero-Leak Flange Technology—now adopted by 14 Fortune 500 companies. He’s a certified ASME B31.3 inspector and regularly consults for API and ISO technical committees.
Every 2 inch blind flange we ship carries Zhang’s signature of quality. Not just a product—a commitment.
Final Word: Choose the Flange That Doesn’t Fail
When your pipeline shuts down, it’s not the cost of the flange that hurts—it’s the lost production, the safety investigation, the reputational damage.
HEBEI JIUYUAN doesn’t just sell 2 inch blind flanges. We deliver pipeline integrity.
With factory-direct pricing, global compliance, and 24/7 support, you’re not just buying a component—you’re securing your operational continuity.
Don’t gamble with your next shutdown. Order your 2 inch blind flanges today—and experience the difference a truly reliable supplier makes.
