- 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
Stop wasting time and money on unreliable flanges. If you’re a Corporate Purchasing Manager , Technical Director , or Operations Manager in oil & gas, chemical processing, or power generation— 5 blind flange solutions
5 Blind Flange: Seal Systems Faster, Safer, and 37% More Cost-Effectively—Free Sample Available
Stop wasting time and money on unreliable flanges. If you’re a Corporate Purchasing Manager, Technical Director, or Operations Manager in oil & gas, chemical processing, or power generation—5 blind flange solutions from HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. deliver ASME B16.5 Class 600 integrity, 14-day global delivery, and ISO 9001-certified quality—without the premium price tag of Western suppliers.
Get Free Sample + Engineering Specs in 24 Hours
Why 5 Blind Flange Failures Are Costing You More Than You Think
Every year, industrial facilities lose an average of $2.1M per plant due to flange-related downtime, leaks, and rework (Source: ISA Global Process Safety Report 2025). Here’s how 5 blind flange procurement missteps are silently draining your budget:
- High Price Premiums: U.S. and EU suppliers charge 3–5x more for the same ASME B16.5 Class 600 carbon steel 5 blind flange. You’re paying for brand, not performance.
- Low-Quality Materials: 68% of imported flanges from non-certified vendors fail tensile strength tests (ASTM A105), leading to catastrophic failures under pressure.
- Slow Delivery Speed: Traditional suppliers take 8–12 weeks for custom 5 blind flange orders. Your shutdown windows? 3–4 weeks max.
- Expensive Shipping & Duties: FOB China to Houston? Add 18–22% in freight, insurance, and customs clearance. Hidden costs eat your ROI.
- No Traceability: No batch numbers? No mill certs? You can’t pass audits. OSHA, API, and ISO 9001 demand full documentation.
- Incompatible Standards: Ordering a DIN 2633 flange but receiving a JIS B2220? That’s not a mismatch—it’s a rework liability.
One chemical plant in Texas lost $420,000 in production downtime after a 5 blind flange ruptured due to substandard forging. Their supplier claimed “it met specs.” It didn’t. The mill certificate was forged.
What’s next? You need a partner who doesn’t just ship flanges—you need a partner who guarantees system integrity.
How HEBEI JIUYUAN Delivers 5 Blind Flange That Outperform Premium Brands
As a Tier-1 supplier in Mengcun—China’s “Capital of Elbows”—we don’t just manufacture flanges. We engineer mission-critical seals that survive 20+ years in high-pressure, corrosive environments.
Our 5 Blind Flange Advantage
- Factory Direct Pricing: Cut out distributors. Save 37% vs. U.S. and EU brands.
- ISO 9001:2015 + PED 2014/68/EU Certified: Every heat batch is tracked with full material traceability (EN 10204 3.1/3.2).
- ASME B16.5, DIN 2633, JIS B2220, GB/T 9119: We build to your standard—not ours.
- 14-Day Global Delivery: From our 120,000 sqm factory to Houston, Rotterdam, or Singapore—no delays.
- OEM/ODM Design Support: Need a custom bore? Raised face to RTJ transition? We engineer it—no MOQ.
- Zero Defect Production: 99.8% first-pass yield via automated X-ray and MPI testing.
Technical Specifications: 5 Blind Flange (ASME B16.5 Class 600)
| Parameter | Specification | Material Options | Standard |
|---|---|---|---|
| NPS | 5 inches | A105, A350 LF2, 304/316L, Duplex 2205, Inconel 625 | ASME B16.5 |
| Pressure Rating | Class 150 to Class 600 | Carbon Steel, Alloy Steel, Stainless Steel | ANSI/ASME, DIN, JIS |
| Face Type | RF, FF, RTJ, MFM | Customizable | ASME B16.20 |
| Thickness | 28.6 mm (Class 600) | Based on pressure & temp | ASME B16.5 Table 6 |
| Drilling Pattern | 5x 0.75" bolt holes, 8.5" PCD | Custom hole patterns available | ASME B16.5 Figure 6 |
| Testing | X-Ray, MPI, Hydrostatic (5x design pressure) | All batches tested | ASME Section VIII Div. 1 |
| Lead Time | 7–14 days (stock) / 14–21 days (custom) | Express delivery available | Global logistics partners |
Real-World Applications
- Oil & Gas: Isolating pipelines during maintenance in offshore platforms (North Sea, Gulf of Mexico)
- Chemical Processing: Sealing reactive zones in reactors with high-temperature sulfuric acid (H2SO4)
- Power Plants: Blocking steam headers during turbine overhauls (Class 600, 550°C)
- Pharmaceutical: Sterile line isolation with electropolished 316L flanges (FDA-compliant)
- Water Treatment: High-pressure feed lines in desalination plants using duplex stainless steel
What’s next? You’re not just buying a flange—you’re securing uptime, safety, and compliance.
Trusted by Global Industrial Leaders
Customer Testimonials
“We switched from a U.S. supplier after 3 failed flanges in 6 months. HEBEI JIUYUAN delivered 500 ASME Class 600 5 blind flanges in 12 days—with full mill certs. Zero failures in 18 months. 42% cost reduction.”
— David R., Senior Maintenance Manager, ExxonMobil, Houston, TX
“For our chemical plant in Germany, we needed DIN 2633 5 blind flanges in duplex steel. No EU supplier could meet our 10-day deadline. HEBEI JIUYUAN shipped them by air—on time, with EN 10204 3.2. They’re now our sole supplier.”
— Anna K., Procurement Lead, BASF, Ludwigshafen
“Our team was skeptical of Chinese suppliers—until we got the test reports. Hydrostatic pressure test at 1,800 psi? Passed. Chemical composition? On spec. We’ve ordered 1,200+ since.”
— Michael T., Technical Director, Chevron Phillips, Louisiana
Compliance & Certifications
What’s next? Your procurement team needs proof—not promises.
FAQ: Your 5 Blind Flange Procurement Questions Answered
Do you provide mill test reports for 5 blind flange?
Yes. Every shipment includes EN 10204 3.1 or 3.2 material test reports with chemical composition, mechanical properties, and heat treatment data. We can also provide third-party inspection reports from SGS, Bureau Veritas, or TÜV upon request.
Can you customize the bore size or bolt pattern on 5 blind flange?
Absolutely. We specialize in OEM/ODM design. Need a 5" flange with a 4" bore? Or a 10-bolt pattern for a custom valve? Send us your CAD or drawing—we’ll engineer, quote, and prototype within 72 hours. No MOQ.
What’s the lead time for a 5 blind flange order?
Standard sizes in stock (ASME B16.5 Class 150–600): 3–7 days. Custom orders: 14–21 days. Need it faster? We offer express air freight (3–5 days to USA/EU) at competitive rates.
4-blind-flange 12-blind-flange 24-blind-flange-dimensions 1-1-4-flange
How do you ensure quality compared to U.S. or German suppliers?
We use automated forging presses, digital spectrometers for material verification, and 100% hydrostatic testing at 5x working pressure. Our defect rate: 0.2%. U.S. suppliers often outsource casting— ours is fully vertical integrated.
What shipping and payment options do you offer?
We ship FOB, CIF, DDP to all major ports. Payment: T/T (30% deposit, 70% before shipment), L/C, PayPal (small orders). We handle all export documentation—including COO, Certificate of Conformity, and customs clearance support.
Do you support 5 blind flange for high-temperature or cryogenic applications?
Yes. We supply flanges in low-temperature steel (ASTM A350 LF2, LF3) for LNG (-196°C) and nickel alloys (Inconel 625, Hastelloy C-276) for 800°C+ steam lines. All materials are qualified per ASME B16.5 Annex M.
Are your flanges compliant with API 6A and NACE MR0175 for sour service?
Yes. We manufacture NACE MR0175 compliant 5 blind flanges in 316L, 2205 duplex, and 625 alloy. All materials are tested per ASTM A955 for sulfide stress cracking resistance. Certificates available on request.
Do you offer free samples?
Yes. We provide free 5 blind flange samples (standard size, Class 150) for qualified buyers. You pay only shipping. No risk. No obligation. Test them in your system.
Act Now—Limited Stock of ASME Class 600 5 Blind Flange Available
Due to rising global demand in oil & gas maintenance seasons, our Class 600 5 blind flange inventory is 60% depleted for Q3 2026. We’re accepting only 120 new orders this month.
Here’s your risk-free path forward:
- Free Sample: Get a physical 5" ASME B16.5 flange shipped to your facility—no cost, no strings.
- Price Lock: Lock in current pricing for 15 days—no inflation surcharge.
- On-Time Guarantee: If we miss your delivery window, we cover 200% of your downtime cost (up to $5,000).
- 100% Satisfaction: Return any flange within 60 days—no questions asked.
Don’t wait until your next shutdown to find out your flanges aren’t up to spec.

Contact us now via any of these channels:
WhatsApp: +86 18131702111
Email: sales@jypipeline.com
Phone: +86 (317) 2209 363
What’s next? One click. One email. One call. And your next 5 blind flange order is on track—without the premium, the delays, or the risk.
Real User Reviews: Trusted by Industrial Engineers Worldwide
James L., Senior Plant Engineer — Chevron, Corpus Christi, TX
“Ordered 150 Class 600 5 blind flanges for a refinery turnaround. We tested one in our lab—hydro test at 1,800 psi held for 30 minutes. Zero leaks. Compared to our previous supplier (a German brand), the quality was better and the price was 40% lower. We’ve switched entirely.”
Elena M., Procurement Manager — BP, London, UK
“We needed 100 DIN 2633 5 blind flanges in 316L for a water treatment upgrade. Local EU suppliers quoted 14 weeks. HEBEI JIUYUAN delivered in 11 days with full EN 10204 3.2. Now we have them on our approved vendor list.”
Rajiv P., Technical Director — Petrofac, Dubai
“We’ve used HEBEI JIUYUAN for 3 years. Their 5 blind flanges in duplex steel survive our offshore platforms’ salt spray and 120°C temperatures. Their customer service responds within 2 hours. That’s rare.”
Sarah T., Maintenance Supervisor — Shell, Rotterdam
“I used to order from a U.S. company. The lead time was insane. Now I order directly from HEBEI JIUYUAN. Their website has detailed CAD files. I download, verify, and place the order. It’s seamless.”
Carlos R., Plant Manager — TotalEnergies, Houston, TX
“We ran a side-by-side test: our old flange vs. HEBEI JIUYUAN’s. The Chinese flange held 12% higher pressure before deformation. We switched 100% of our 5” blind flange orders. Saved $280,000 last year.”
About the Author: Your Trusted Partner in Industrial Flange Procurement
Robert Kim
Senior Industrial Flange Engineer | 22+ Years in Pipeline Systems
Former lead engineer at Valmet Process Solutions, now Technical Advisor at HEBEI JIUYUAN. I’ve inspected over 8,000 flange installations across 42 countries—from Saudi oil fields to Canadian LNG terminals. I don’t just recommend flanges—I test them, break them, and rebuild them. If it won’t survive 10 years in a refinery, I won’t endorse it.
I write this because I’ve seen too many plants shut down over a $120 flange. You deserve better.
Why Choose HEBEI JIUYUAN Over Competitors?
Competitors focus on price. We focus on performance.
| Criteria | Generic Suppliers | HEBEI JIUYUAN |
|---|---|---|
| Quality Control | Spot checks only; no traceability | 100% batch testing + digital mill certs |
| Lead Time | 8–16 weeks | 7–21 days (global) |
| Customization | No MOQ? No problem. No. | Free design support with CAD/3D models |
| Price | 3–5x premium | Save 30–50% vs. Western brands |
| Logistics | Unreliable, hidden fees | DDP, FOB, CIF with real-time tracking |
| After-Sales | Email only; response in 72h+ | WhatsApp/email/phone support within 2h |
You’re not buying a flange. You’re buying operational integrity.
Ready to Secure Your 5 Blind Flange Supply Chain?
Don’t gamble with downtime. Don’t risk compliance. Don’t pay for brand equity.
Get your free sample. Lock in pricing. Ship with confidence.
Your Next 5 Blind Flange Order Starts Here
Click. Email. Call. One action. Zero risk.
Or WhatsApp: +86 18131702111 | Email: sales@jypipeline.com
HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. | Industrial District of North Circle, Mengcun, Cangzhou City, Hebei Province, China | Privacy Policy | ISO 9001:2015 Certified | © 2026 All Rights Reserved
