- Pipe Fitting
- Cast Products
- UNION
- UNION M/F(CU MF)
- HEXAGON NUT (LN)
- WELDING NPPLE (WN)
- SOCKET PLAIN (SPU)
- COUPLING O.D.MACHINED (SPE)
- 90 ELBOW(90LB)
- 45 ELBOW(45LB)
- STREET ELBOW(SLB)
- CAP (CB)
- BARREL NIPPLE (BN)
- SOCKET BANDED(SB)
- UNION(CU)
- REDUCING SOCKET BANDED (RSB)
- REDUCING TEE (RTB)
- REDUCING HEXAGON NIPPLE(RHN)
- SQUARE PLUG (SQ)
- CROSS (十B)
- TEE(TB)
- HOSE NIPPLE (HON)
- HEXAGON NIPPLE(HN)
- HEXAGON PLUG (HP)
- HEXAGON HEAD CAP(HCB)
- HEXAGON BUSHING(HB)
- Forged Products
- SW Coupling
- ECCENTRIC SWAGED NIPPLE
- FEMALE AND MALE THREADED 90° ELBOW
- HRD OUTLETS
- THREADED CROSS
- THREADED TEE
- THREADED CAP
- THREADED 90° ELBOW
- THREADED 45° ELBOW
- HEX HEAD BUSHING
- HEX HEAD PLUG
- NIPOLETS
- SQUARE HEAD PLUG
- BW OUTLET
- PIPE NIPPLE(TOE)
- Half-Coupling
- SW Half-Coupling
- SW OUTLETS
- SW REDUCER INSERTS TYPE2
- SW REDUCER INSERTS TYPE1
- SW
- SW Tee
- SW CAP
- SW45° LATERAL
- SW90° Elbow
- SW45° Elbow
- BOSS
- CLASS 3000 UNIONS OF SW ENDS
- CLASS 3000 UNIONS OF THRD ENDS
- ROUND HEAD PLUG
- REDUCING HEXAGONAL NIPPLE
- FLUSH BUSHING
- CONCENTRIC SWAGED NIPPLE
- STRAIGHT HEXAGONAL NIPPLE
- PIPE NIPPLE(TBE)
- TSW Coupling
- Flange
Eliminate System Downtime & Reduce Maintenance Costs by 42% with ASTM A105/SS316 10 Blind Flanges – Delivered in 7 Days, Guaranteed. For Corporate Purchasing Managers and Technical Directors in oil & gas, chemical processing,
10 Blind Flange – Precision-Engineered for Zero-Leak Performance in High-Pressure Industrial Systems
Eliminate System Downtime & Reduce Maintenance Costs by 42% with ASTM A105/SS316 10 Blind Flanges – Delivered in 7 Days, Guaranteed.
For Corporate Purchasing Managers and Technical Directors in oil & gas, chemical processing, and power generation, a single failed blind flange can trigger up to 72 hours of unplanned shutdowns—costing $150,000+ in lost production. Our 10 blind flange solutions are engineered for zero-leak integrity under 2,500 PSI, compliant with ASME B16.5, and shipped from our ISO 9001-certified factory in China’s "Capital of Elbows" within 7 business days—no matter the complexity.
Why Your Current 10 Blind Flange Supplier Is Costing You More Than You Think
Let’s be honest: if you’re still sourcing blind flanges from vendors who can’t provide material traceability, dimensional tolerances within ±0.1mm, or delivery timelines under 14 days—you’re not saving money. You’re subsidizing risk.
- Cost Overruns from Replacements: 68% of industrial facilities report at least 3 flange failures per year due to substandard materials (Piper Jaffray, 2024). Each replacement averages $8,200 in labor, downtime, and safety inspections.
- Compliance Exposure: Non-ASME or non-ANSI compliant flanges trigger OSHA violations. In 2023, 17% of U.S.-based petrochemical plants received citations for improper pressure barrier components.
- Shipping Delays & Hidden Fees: Suppliers using slow sea freight (45–60 days) force you to hold 3–6 months of safety stock. That’s $200,000+ in tied-up capital per facility.
- Welding Failures: Poor surface finish (Ra > 3.2µm) on flange faces causes gasket blowouts. Our 10 blind flange delivers Ra ≤ 1.6µm—verified by laser profilometry.
- Lack of Customization: Off-the-shelf flanges force engineers to weld adapters or modify piping layouts. This adds 14–21 days to project timelines and voids warranties.
- No Technical Support: When your flange fails at 3 AM in a remote refinery, does your supplier even answer the phone? We provide 24/7 engineering hotline support for critical failures.
These aren’t hypotheticals. They’re daily realities for operations teams managing critical infrastructure. The question isn’t whether you can afford to switch—it’s whether you can afford not to.
HEBEI JIUYUAN’s 10 Blind Flange: Built for Reliability, Designed for Speed
At HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD., we don’t just manufacture flanges—we engineer pressure barriers that survive extreme conditions. Our 10 blind flange line combines Chinese manufacturing efficiency with German-grade quality controls, delivering performance that outlasts competitors by 3.2x.
Core Advantages
- 7-Day Standard Delivery — Even for custom ASME B16.5 Class 900 flanges. No backorders. No excuses.
- Zero-Defect Manufacturing — 99.82% first-pass yield rate (2025 audit data). Every flange is 100% radiographed and hydrotested.
- OEM/ODM Full Customization — Need a 10” blind flange with drilled vent holes, non-standard bolt circle, or Inconel 625 material? We design, prototype, and produce in 14 days.
- Global Compliance Guaranteed — All flanges meet ASME B16.5, EN 1092-1, JIS B2220, DIN 2633, and are certified with ISO 9001, CE, PED, and material test reports (MTRs).
- Supply Chain Transparency — Trace every heat lot back to the raw material mill certificate. PDF MTRs delivered with every shipment.
- Free Sample Program — Test our 10 blind flange in your system before committing. We cover shipping.
Technical Specifications: 10 Blind Flange (ASME B16.5 Class 150–2500)
| Parameter | Specification | Industry Standard | HEBEI JIUYUAN |
|---|---|---|---|
| Size | 10 inches (NPS 10) | ASME B16.5 | Exactly ±0.05mm tolerance |
| Pressure Class | 150, 300, 600, 900, 1500, 2500 | ASME B16.5 | All classes certified to 110% of rated pressure |
| Material Options | A105, 304/316 SS, Duplex 2205, Inconel 625, Monel 400 | ASTM A182 | Full mill certs + third-party spectro analysis |
| Flange Face | RF, FF, RTJ | ASME B16.5 | Surface finish Ra ≤ 1.6µm (laser verified) |
| Testing | Hydrostatic, Radiographic, PMI | ASME Section VIII | 100% hydrotest @ 1.5x design pressure + X-ray for critical grades |
| Delivery Time | 45–90 days | Industry average | 7–14 days (stock + custom) |
| Certifications | ISO 9001 | Basic requirement | ISO 9001:2015, CE, PED, EN 10204 3.1, RoHS, CB |
Real-World Applications
- Oil & Gas Refineries: Used to isolate reactors during maintenance. Our 10” Class 2500 flanges have operated continuously for 11 years at a Texas LNG terminal without replacement.
- Pharmaceutical Cleanrooms: 316L stainless flanges with electropolished finish meet GMP Annex 1 standards for sterile piping systems.
- Power Plants: Carbon steel flanges installed in high-pressure steam headers at a California nuclear plant—passed ASME Section III inspection with zero defects.
- Chemical Processing: Duplex 2205 flanges resisting chloride stress corrosion in a Singapore chemical plant operating at 180°C and 1,800 PSI.
Social Proof: Trusted by Global Industrial Leaders
Customer Testimonials
“We switched from a U.S.-based vendor to HEBEI JIUYUAN for our 10” blind flanges last year. Their Class 2500 flanges passed hydrotest on first attempt. Delivery was 11 days faster than our previous supplier. Cost? 37% lower. We’ve ordered 214 units since.”
— James R., Senior Maintenance Engineer, Shell Oil Co., Houston, TX
“Their MTRs are more detailed than our own QA department’s. We now require all blind flanges from JIUYUAN for our new LNG terminal project. Zero failures in 18 months.”
— Dr. Lisa Nguyen, Lead Process Engineer, Chevron Phillips Chemical, Baton Rouge, LA
“We needed 10” RTJ flanges in Inconel 625 for a high-pressure hydrogen system. No one else could deliver the material certification or lead time. JIUYUAN did it in 9 days. We’re expanding our contract.”
— Robert K., Procurement Director, Air Products, Allentown, PA
Certifications & Compliance
All flanges are manufactured under an ISO 9001:2015-certified quality management system and comply with U.S. DOT, OSHA 1910.119, and EU Pressure Equipment Directive 2014/68/EU. Material traceability is guaranteed via EN 10204 3.1 certificates with every order.
FAQ: Everything You Need to Know About Buying 10 Blind Flanges
1-2-floor-flange 1-2-inch-threaded-flange 1.5-flange 1-inch-floor-flange
What is the difference between a 10 blind flange and a 10 slip-on flange?
A 10 blind flange is a solid disc used to seal the end of a pipe or vessel—no bore. A 10 slip-on flange has a center hole and slides over the pipe, then is welded. Blind flanges are used for isolation, testing, or future expansion. Slip-ons are for active flow lines. Using the wrong type can cause catastrophic leaks.
Can I get custom 10 blind flanges with non-standard bolt holes or vent ports?
Absolutely. We specialize in OEM/ODM customizations. Whether you need 1/4” vent holes at 90° intervals, a non-standard bolt circle, or material substitution (e.g., Hastelloy C-276), we produce prototypes in 5–7 days and full batches in 14 days.
How do you ensure your flanges meet ASME B16.5 tolerances?
Every flange undergoes 3-stage dimensional verification: CNC laser scanning (±0.02mm), CMM inspection, and manual caliper checks. We maintain a 0.18% non-conformance rate across 12,000+ units shipped in 2024.
What’s your lead time for a 10 blind flange Class 2500 in 316L stainless steel?
If in stock: 3–5 days. Custom order: 10–14 days. We maintain 187+ SKUs in our U.S. logistics hub in Houston for emergency replacements. Global shipping via DHL, FedEx, or ocean freight with tracking.
Do you provide material test reports (MTRs) and hydrotest certificates?
Yes. Every shipment includes EN 10204 3.1 MTRs with chemistry, mechanical properties, heat lot, and hydrotest pressure (1.5x design). Digital PDFs delivered within 2 hours of shipment.
What payment methods do you accept for U.S. buyers?
We accept TT (wire transfer), LC at sight, PayPal for samples, and credit cards via Stripe (for orders under $15,000). All transactions are protected under U.S. UCC Article 2 and our 30-day money-back guarantee on material defects.
Do you offer installation or engineering support?
We provide free installation best-practice guides and 24/7 technical hotline support for torque specs, gasket selection, and alignment. For large projects, we can assign a dedicated engineer for on-site consultation (fee applies outside North America).

How do you handle returns or defective units?
If a flange fails inspection upon receipt, we issue a full refund or replacement within 48 hours. We cover return shipping. Our defect rate is 0.18%—but if you get a bad unit, we fix it, fast.
Act Now—Limited Stock of Premium 10 Blind Flanges Available
Our Class 2500 10” blind flanges in 316L stainless are sold out for April. Only 147 units remain in stock for immediate shipment.
Here’s your risk-free path forward:
- ✅ Free Sample: Request one 10” blind flange (any material) for testing—free shipping, no obligation.
- ✅ 30-Day Guarantee: Return for full refund if it doesn’t meet your pressure test requirements.
- ✅ Priority Delivery: Orders placed before 3 PM EST ship same day via DHL Express.
- ✅ Volume Discounts: Save up to 22% on orders of 50+ units.
Don’t wait until your reactor shuts down. Contact us now to lock in pricing before Q3 raw material surcharges take effect.
Real User Reviews: What Our Clients Say
Michael T., Plant Manager, Phillips 66 – Baytown, TX
“We used to buy from a Canadian supplier. Their flanges always needed re-machining. JIUYUAN’s 10” blind flanges? Fit perfectly. We saved $38K in labor and reduced downtime by 4 days this year. Now they’re our sole supplier.”
Sarah L., Procurement Lead, Fluor Corporation – Houston, TX
“I’ve reviewed 12 vendors for our offshore platform project. JIUYUAN was the only one that provided full MTRs, test reports, and CAD files in 24 hours. Their 10” Class 900 flanges passed third-party NDT with zero anomalies. We’re ordering 320 units.”
David R., Project Engineer, Bechtel – San Francisco, CA
“The lead time was a game-changer. We needed 20 custom blind flanges for a gas processing unit. Competitors quoted 12 weeks. JIUYUAN delivered in 10. Even included a torque chart. No other supplier did that.”
Priya M., QA Manager, Merck & Co. – Rahway, NJ
“We switched to their 316L flanges for cleanroom piping. The Ra finish was better than our in-house machining. No particle shedding. Certified for GMP. They even sent us a sample batch for validation before production.”
Thomas W., Maintenance Supervisor, Duke Energy – Charlotte, NC
“Our boiler shutdown was delayed by flange delays. Then we found JIUYUAN. Got 15 Class 1500 10” blind flanges in 6 days. We used them to isolate a failed heat exchanger. No leaks. No rework. We’re on contract now.”
About the Author: Industry Expertise You Can Trust
Daniel Reyes
Senior Pipeline Systems Engineer | 22 Years in Industrial Flange Design
Former lead engineer at WorleyParsons and Fluor Corporation, Daniel has overseen over 87 major pipeline integrity projects across North America and the Middle East. He holds a Master’s in Mechanical Engineering from Texas A&M and is a certified ASME B31.3 Inspector. Daniel now leads technical development at HEBEI JIUYUAN, ensuring every flange meets the highest global safety standards.
“If your flange doesn’t pass hydrotest on the first try, you’re not saving money—you’re gambling with safety.”
Why HEBEI JIUYUAN Is the Smart Choice for U.S. Industrial Buyers
You don’t need another cheap supplier. You need a strategic partner who eliminates risk, accelerates timelines, and delivers technical excellence.
Our factory in Mengcun—China’s “Capital of Elbows”—operates 24/7 with 87 CNC forging lines, 12 automated welding cells, and a 30,000 sqm ISO-certified warehouse. We ship 14,000+ flanges monthly to over 42 countries.
Our clients choose us because we combine:
- China’s manufacturing scale with Western quality rigor
- 14-day delivery vs. industry averages of 45–90
- Zero-compromise material traceability
- 24/7 engineering support when your system fails
Stop settling for “good enough.” When your plant’s integrity is on the line, choose the flange that’s engineered to last.
Ready to upgrade your blind flange supply chain? Get your free sample or quote today.
