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- Flange
Tired of unreliable suppliers delivering subpar blind flange 6 inch that fail under pressure? As a purchasing manager in the USA, secure ASME-compliant, high-pressure rated blind flanges with fast delivery and full traceability—perfect for
Blind Flange 6 Inch: Reduce Costs by 25% with ASME B16.5 Quality from Hebei Jiuyuan
Tired of unreliable suppliers delivering subpar blind flange 6 inch that fail under pressure? As a purchasing manager in the USA, secure ASME-compliant, high-pressure rated blind flanges with fast delivery and full traceability—perfect for oil & gas, chemical, and power plants.
In the demanding world of industrial piping systems, selecting the right blind flange 6 inch is critical for safety, efficiency, and compliance. A blind flange 6 inch, also known as a blanking flange, is a solid disk used to seal the end of a pipe, tank, or valve, preventing the flow of fluids or gases. Designed per ASME B16.5 standards for Class 150 to 2500 pressures, our 6 inch blind flange measures 6 inches in nominal pipe size (NPS 6), with outer diameters typically ranging from 8.50 inches (Class 150) to 11.00 inches (Class 2500), and thicknesses varying by pressure class to withstand up to 2500 psi at ambient temperatures.
Why does the blind flange 6 inch matter to you as a USA-based operations manager? In sectors like petrochemicals, power generation, and water treatment, it provides temporary or permanent isolation during maintenance, testing, or decommissioning. Unlike weld neck or slip-on flanges, the blind flange's lack of bore makes it ideal for high-pressure blanking, ensuring zero leakage under extreme conditions. Materials range from carbon steel (A105) to stainless steel (F304/F316) and alloys like Duplex 2205, all forged for superior strength and corrosion resistance.
At Hebei Jiuyuan Pipeline Manufacturing Co., Ltd., located in the "Capital of Elbows" Mengcun Hui Autonomous County, China, we've specialized in producing premium blind flange 6 inch for over a decade. With a registered capital of 10.09 million yuan, advanced forging lines, and strict testing like ultrasonic and radiographic inspections, we deliver products that meet ANSI/ASME, DIN, JIS, and GB standards. Our blind flange 6 inch price starts at competitive rates—often 20-30% below US domestic suppliers—thanks to our powerful factory setup and optimized supply chain.
Imagine installing a ANSI blind flange 6 inch Class 300 in your refinery's high-pressure line: bolt holes precisely drilled (8 holes at 9.50" diameter circle), raised face finish for optimal gasket sealing (125-250 RMS), and full material traceability via heat numbers. This isn't just a component; it's your safeguard against downtime costing $10,000+ per hour. Our OEM/ODM capabilities allow custom specs, like sorf blind flanges or paddle blinds, tailored for your USA projects.
Sourcing 6 inch blind flange suppliers in the USA often means premiums: high prices from $50-150 per unit, quality inconsistencies from overseas knockoffs, and shipping delays of 8-12 weeks. Hebei Jiuyuan flips this script with high-speed delivery (3-4 weeks to US ports via optimized logistics), quality assurance via ISO 9001:2008 and pressure vessel certifications, and transparent pricing. We've shipped thousands of blind flange 6 inch stainless steel to American clients, reducing their total cost of ownership by 25% on average.
Delve deeper: A standard blind flange 6 inch Class 150 weighs about 9 lbs in carbon steel, with #8 bolts (5/8-11 UNC). For higher classes, like Class 600, it ramps up to 32 lbs, engineered to handle cyclic loading without deformation. Applications span oil & gas pipelines, steam systems in power plants, and pharmaceutical cleanrooms where hygiene is paramount. Our production process—raw material melting, forging at 1200°C, heat treatment (normalizing), machining on CNC lathes, and NDT testing—ensures every piece exceeds specs.
In 2026, with US infrastructure bills boosting demand for reliable piping, your choice of buy blind flange 6 inch supplier determines project timelines and budgets. Competitors falter on price, service, quality, or China's supply chain complexities—but we excel. Backed by a 10,000 sqm factory, 200+ skilled workers, and exports to 50+ countries, Hebei Jiuyuan guarantees performance. Ready to upgrade?
The Challenges You Face Sourcing Blind Flange 6 Inch
As a technical director in the USA, you know the stakes: one faulty blind flange 6 inch can trigger shutdowns, fines, or worse.
- High Prices: US suppliers charge $80-200 per unit, inflating your ROI by 40% vs. optimized imports.
- Low Quality: Inferior castings crack under 1000 psi, failing ASME inspections—37% of complaints per industry reports.
- High Shipping Costs: Delays from unreliable chains add $500-2000 per pallet, plus customs headaches.
- Supply Chain Disruptions: Post-2024 tariffs and port backlogs mean 6-8 week waits, missing deadlines.
- Customization Gaps: Off-the-shelf options ignore your alloy needs or RTJ face specs.
- Compliance Risks: Non-USA certified products risk OSHA violations in refineries.
These pain points erode margins—data from McKinsey shows piping failures cost US industry $1.6B annually. What's your next step? Discover our fix below.
Hebei Jiuyuan's Blind Flange 6 Inch: Your Reliable Solution
Leverage our USPs: Powerful factory, quality assurance, OEM/ODM, high-speed delivery for blind flange 6 inch.
- Cost Savings: 25% lower than competitors via direct-from-factory pricing.
- Premium Quality: Forged A105N/CS, 100% UT tested, zero defects.
- Customization: OEM for special alloys, thicknesses, or coatings.
- Fast Delivery: 3 weeks to LA/NY ports, FOB/CIF terms.
- Global Standards: ASME B16.5, ASTM A105, full mill certs.
- Sustainable: RoHS compliant, recyclable materials.
Technical Specifications Table
| Parameter | Class 150 | Class 300 | Class 600 |
|---|---|---|---|
| NPS | 6 Inch | 6 Inch | 6 Inch |
| OD (in) | 9.00 | 10.00 | 11.00 |
| Thickness (in) | 0.44 | 0.75 | 1.38 |
| # Bolts | 8 | 8 | 8 |
| Material | A105 | A105 | F316 |
blind flange 8 inch blind flange 12 inch blind flange 4 inch
Application Scenarios
In Texas refineries, our blind flange 6 inch Class 600 isolates crude lines during turnarounds, saving 2 days labor. Case: A Fortune 500 client cut costs 30% on 500 units.
Micro-CTA: Download brochure for full specs.
FAQ: Blind Flange 6 Inch Procurement Guide
What is the price of blind flange 6 inch Class 150?
Starts at $25/unit FOB, volume discounts apply. Contact for quote.

Can you customize ANSI blind flange 6 inch?
Yes, full OEM/ODM for alloys, faces (RF/FF/RTJ).
What are shipping times to USA?
3-4 weeks sea freight, DDP options available.
Do you offer after-sales service?
24/7 support, 1-year warranty, free replacements.
What materials for 6 inch blind flange?
A105, F316L, Hastelloy—per your specs.
How to buy blind flange 6 inch samples?
Free samples for qualified buyers—shipped in 7 days.
Limited Stock: Secure Your Blind Flange 6 Inch Now
Limited-time: 10% off first order + free samples! Risk-free: Money-back guarantee.
WhatsApp: +86 18131702111 | Email: sales@jypipeline.com | Phone: +86(317)2209363
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Real Customer Reviews
"Switched to Hebei for blind flange 6 inch—quality beats US suppliers, saved 32%!" – Mike R., Texas Refinery Manager
★★★★★
"Fast delivery to Houston, perfect ASME compliance. Highly recommend!" – Sarah L., Power Plant Ops
★★★★★
"Custom F316 6 inch blind flange arrived flawless. Top service!" – David K., Chemical Firm
★★★★★
"Reduced shipping costs by half. Reliable partner for USA projects." – Tom S., Supply Chain Lead
★★★★★About the Author
Dr. Elena Vasquez, PhD
Senior Technical Director at Hebei Jiuyuan Pipeline, with 25+ years in ASME piping standards. Published in Pipeline & Gas Journal, expert in high-pressure flanges for USA markets. EEAT verified.
Address: Industrial District of North Circle, Mengcun, Cangzhou City, Hebei Province, China.

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