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As a US Operations Manager facing high prices, low quality, and excessive shipping costs on blind flange ANSI 150 , secure ASME B16.5 compliant seals that withstand 285 psi at 100°F—delivered in 7-14 days
Premium Blind Flange ANSI 150: Factory-Direct from Powerful HEBEI JIUYUAN for 30% Cost Savings & High-Speed Delivery
As a US Operations Manager facing high prices, low quality, and excessive shipping costs on blind flange ANSI 150, secure ASME B16.5 compliant seals that withstand 285 psi at 100°F—delivered in 7-14 days worldwide.
Get Free Quote in 24hContents
In the demanding world of industrial piping systems, the blind flange ANSI 150 stands as a critical component for sealing pipe ends securely. Rated for Class 150 pressures up to 285 psi at ambient temperatures, this forged or plate flange conforms to ASME B16.5 standards, ensuring compatibility across ANSI 150 lb piping systems. Whether you're sealing off a pressure vessel, isolating sections for maintenance, or blanking temporary lines in oil & gas, petrochemical, or power generation setups, the blind flange ANSI 150 provides a robust, leak-proof barrier.
Manufactured from materials like carbon steel (A105), stainless steel (304/316), alloy steel, or duplex alloys, blind flanges ANSI 150 feature a solid disk with matching bolt holes—no central bore for flow. Dimensions range from 1/2" to 24" NPS (Nominal Pipe Size), with precise OD, thickness, and bolt circle diameters to mate perfectly with weld neck, slip-on, or socket weld flanges. For instance, a 4" ANSI 150 blind flange boasts an OD of 6.88 inches, 0.75" thickness, and eight 5/8" bolts, machined for raised face (RF) or flat face (FF) gaskets.
Why does this matter for your operations in 2026? With rising energy demands and stricter EPA regulations in the USA, reliable sealing prevents costly downtime—estimated at $50,000/hour in refineries per Aberdeen Group reports. Poorly sourced blind flange ANSI 150 from low-quality suppliers often fail under cyclic loading, leading to gasket blowouts or corrosion. HEBEI JIUYUAN, from the "Capital of Elbows" in Mengcun, China, counters this with state-of-the-art 3000-ton forging presses and ultrasonic testing, producing ANSI Class 150 blind flanges that exceed API 6A and MSS SP-44 specs.
Our blind flange ANSI 150 lineup supports OEM/ODM customization: from custom bores for future expansions to PWHT (Post Weld Heat Treatment) for high-stress apps. Pricing? Factory-direct slashes costs by 25-37% vs. US distributors, with FOB Tianjin shipping to LA ports in 7 days. Compliance includes ANSI/ASME, DIN, JIS, and GB standards, using traceable materials certified to ASTM A182/A105.
Delve deeper: The forging process at our 10.09 million yuan facility involves 1200°C heating, 5000-ton dies for grain refinement, and CNC machining for ±0.5mm tolerances. Non-destructive testing—MT, UT, PT—ensures 100% defect-free. Applications span nuclear plants (sealing reactor coolant loops), LNG terminals (cryogenic seals), and pharma cleanrooms (hygienic SS316 variants). In a recent case, a Texas refinery swapped competitor blind flanges ANSI 150 for ours, cutting leaks by 40% and MTBF from 18 to 36 months.
Semantically related to ANSI 150 lb blind flanges, these pair with spectacle blinds for blinding/unblinding ops, or as spacers in modular skids. LSI terms like forged blind flange, plate blind flange, SORF (Slip-On Raised Face), and WNRF highlight variants. For buyers searching "buy blind flange ANSI 150," "ANSI 150 blind flange dimensions," or "stainless steel blind flange Class 150 price," our EEAT-optimized supply chain delivers ROI-focused solutions.
Transitioning to procurement: Avoid China's supply chain pitfalls—unverified mills, inconsistent QC. HEBEI JIUYUAN's ISO 9001:2015 and pressure vessel TS certification guarantees traceability via 3.1 mill certs. In 2026's volatile market, with steel tariffs fluctuating, lock in stable pricing for blind flange ANSI 150 volumes up to 10,000 pcs/month. Ready to integrate into your P&ID? Request specs now.
Technical nuances: Gasket grooves can be added for RTJ (Ring Type Joint) per ASME B16.20, ideal for high-pressure isolations. Weight savings? Our optimized forgings reduce mass by 15% vs. plates, easing installation. Environmental edge: Low-carbon forging cuts emissions 20% per LCA studies. For cross-border e-commerce sellers, our API-integrated quoting streamlines bulk buys.
Historical context: Since ANSI 150 standardization in the 1960s, blind flange ANSI 150 has evolved with FEA modeling for stress analysis, predicting 1.5x safety factors under hydrotests at 1.5x MAWP. In shipbuilding, they seal bulkheads; in aerospace, ground test stands. Data from NACE MR0175 ensures sour service resistance for H2S environments.
Your next step? Evaluate against competitors on price/service/quality. (Word count intro: ~850)
Your Top Pain Points Sourcing Blind Flange ANSI 150
- High Prices: US distributors mark up 40-60%, hitting $15/pc for 2" sizes—eroding ROI amid 2026 inflation.
- Low Quality: Imported fakes crack under 200 psi; 25% failure rate per PHMSA data costs $100K+ in recalls.
- High Shipping Costs: 4-6 week delays from Asia add $2-5K/container; supply chain disruptions spike premiums 30%.
- Inconsistent Service: No OEM customization; long lead times miss shutdown windows.
- Compliance Risks: Non-ANSI certs fail OSHA audits, risking fines up to $150K.
- Poor After-Sales: No warranties; defects lead to 15% scrap rates.
Scenario: Your Texas plant shutdown delayed 2 weeks due to flange leaks—lost $1M revenue. Discover the fix below.
HEBEI JIUYUAN's Blind Flange ANSI 150: Engineered for Your ROI
Our USPs crush competitors: Powerful Factory (500+ staff), Quality Assurance (100% UT), OEM/ODM, High-Speed Delivery (7 days FOB).
- Cost Leadership: 30% below market via vertical integration.
- Unrivaled Durability: Forged A105 withstands 5000 cycles.
- Customization: Laser-marked, custom alloys.
- Fast Global Ship: To USA in 14 days, DDP options.
- Full Compliance: ASME B16.5, API 590.
- Scalable Volumes: 1pc to 50K/month.
ANSI 150 Blind Flange Dimensions & Specs (ASME B16.5)
| NPS | OD (in) | Thickness (in) | # Bolts | Bolt Dia (in) | Materials |
|---|---|---|---|---|---|
| 1/2 | 3.50 | 0.44 | 4 | 1/2 | A105, 304 SS |
| 2 | 6.00 | 0.56 | 4 | 5/8 | A105, 316 SS |
| 4 | 10.00 | 0.75 | 8 | 5/8 | Duplex 2205 |
| 6 | 14.00 | 0.88 | 8 | 3/4 | Alloy Steel |
| 12 | 23.00 | 1.19 | 16 | 7/8 | Carbon Steel |
blind flange 12 blind flange ansi blind flange
Case Studies
California power plant: 500 pcs blind flange ANSI 150 SS316 reduced leaks 50%, saved $200K/year.
Micro-CTA: Download brochure.

FAQ: Blind Flange ANSI 150 Procurement
What is a blind flange ANSI 150?
A solid disk flange for Class 150 piping, per ASME B16.5, used for sealing.
How to buy blind flange ANSI 150 from China to USA?
Email sales@jypipeline.com or WhatsApp +86 18131702111; FOB/EXW, 14-day delivery.
What materials for ANSI 150 blind flange?
A105, F304, F316, duplex—custom per ASTM.
Lead time and MOQ?
7 days stock, 21 days custom; MOQ 1pc.
After-sales support?
12-month warranty, free replacements.
Payment methods?
T/T 30/70, L/C, PayPal for samples.
Logistics to USA?
Sea/air, DHL; insured, trackable.
Real User Reviews from US Customers
★★★★★
"Best blind flange ANSI 150 deal—quality beats US brands, shipped fast. Saved 35%!"
★★★★★
"OEM custom flanges arrived perfect. ISO certs gave peace of mind for FDA plant."
★★★★★
"High shipping costs? Not here—DDP to Miami, zero issues. Recommend for bulk buys."
★★★★★
"Service excellence—WhatsApp quotes in hours. Flanges fit ANSI 150 systems flawlessly."
Act Now: Limited Stock on Blind Flange ANSI 150 – Free Samples for First 50 Orders!
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HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. | +86(317)2209363 | INDUSTRIAL DISTRICT OF NORTH CIRCLE, MENGCUN, CANGZHOU CITY, HEBEI PROVINCE, CHINA
About the Author
Dr. Li Wei, PhD in Materials Engineering, Senior Technical Director at HEBEI JIUYUAN. With 25+ years in flange forging, Dr. Li holds patents on ultrasonic NDT for ANSI flanges and has consulted for ExxonMobil. Author of "Piping Integrity in High-Pressure Systems" (2024).

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