- 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
Reduce downtime, eliminate leaks, and cut procurement costs by up to 37%—with US-compliant, ASME B16.11 threaded flanges delivered in 48 hours, backed by ISO 9001:2015 certification and zero-compromise quality control. Designed for Corporate Purchasing
1 Threaded Pipe Flange: Industrial-Grade Connection Solutions with 37% Lower Cost & 48-Hour Delivery
Reduce downtime, eliminate leaks, and cut procurement costs by up to 37%—with US-compliant, ASME B16.11 threaded flanges delivered in 48 hours, backed by ISO 9001:2015 certification and zero-compromise quality control.
Designed for Corporate Purchasing Managers and Technical Directors in oil & gas, pharmaceuticals, and industrial automation who need reliable, code-compliant threaded flanges without the premium price tag or 8-week lead times of Western suppliers.
Get Free Quote in 24h | WhatsApp Instant Inquiry | Email Technical Specs
Why Your Current 1 Threaded Pipe Flange Supplier Is Costing You More Than You Think
Every day, industrial facilities lose 3.2 hours of operational time due to flange failures—often traced back to substandard threading, inconsistent material specs, or delayed shipments. You’re not alone.
- Pain Point 1: Hidden Costs of “Cheap” Imports — Suppliers offering $2.10/flange may use ASTM A105-grade material but deliver with 12% dimensional variance from ASME B16.11. Result? 47% of buyers report rework or system shutdowns within 6 months.
- Pain Point 2: 6–8 Week Lead Times — Your US or EU-based supplier requires 45+ days for delivery. Meanwhile, your production line sits idle while waiting for a single flange to arrive. 28% of maintenance budgets are now allocated to emergency logistics.
- Pain Point 3: Lack of Traceability — No material certs, no heat lot numbers, no MTRs. You’re flying blind when auditors ask for compliance records. 63% of ISO 9001 non-conformities in manufacturing plants stem from undocumented piping components.
- Pain Point 4: No Customization Support — Need a 1” NPT flange with 1/8” wall thickness for a high-pressure steam line? Most suppliers say “no.” You’re forced to redesign entire systems.
- Pain Point 5: Shipping Markups — FOB China $1.80 → CIF Houston $4.90. You’re paying $3.10 in freight for a $2 part. And if it’s damaged? No replacement in 14 days.
- Pain Point 6: Language & Compliance Gaps — Inconsistent labeling, unclear thread standards (NPT vs. BSP), and no FDA or ASME B16.11 certification documentation. You risk violating OSHA or EPA regulations.
These aren’t hypotheticals. They’re daily realities for 89% of mid-sized industrial buyers in the US who source from non-specialized vendors.
HEBEI JIUYUAN: The Only 1 Threaded Pipe Flange Supplier That Delivers Quality, Speed, and Compliance—All in One
At HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD., we don’t just manufacture flanges—we engineer mission-critical connections that perform under pressure, on schedule, and within budget.
As a top-ranked manufacturer in Mengcun, China’s “Capital of Elbows”, we combine 18+ years of precision forging experience with real-time quality control systems that exceed ANSI/ASME B16.11, GB/T, DIN, and JIS standards.
Our 4 Core Advantages
- Factory-Direct Pricing — 37% Lower Than US Competitors — No middlemen. No import brokers. We control every step: raw material sourcing → forging → threading → inspection → packaging. Your cost per unit drops from $4.50 to $2.85.
- 48-Hour Standard Delivery to US Ports — We maintain 12,000+ units of 1” threaded flanges in our US-bound inventory warehouse in Los Angeles. Orders placed before 14:00 CST ship same day via FedEx Freight or DHL Express.
- Full Traceability & Certifications — Every flange comes with Material Test Reports (MTRs), CE, ISO 9001:2015, ASME B16.11, and ASTM A105 compliance documentation. Heat lot numbers are laser-etched on every component.
- ODM/OEM Customization — No Minimums — Need a 1” NPT flange with 1.5mm wall thickness? Custom thread depth? Special coating? We design, test, and produce custom threaded flanges in 7–10 days, even for 1-unit prototypes.
Technical Specifications: 1 Threaded Pipe Flange (ASME B16.11)
| Parameter | Specification | Compliance |
|---|---|---|
| Nominal Size | 1 inch (DN25) | ASME B16.11, GB/T 14383 |
| Thread Type | NPT (National Pipe Taper) — 27 TPI | ASME B1.20.1 |
| Material Options | ASTM A105 (Carbon Steel), A182 F304/F316 (Stainless), A182 F5, F9, F11 (Alloy), C95800 (Bronze) | ASTM, EN, JIS |
| Pressure Rating | 2000WOG / 3000# (Class 3000) | ASME B16.11 |
| Finish | Black Oxide, Pickled, Electro-polished (for food/pharma) | ASTM A967 |
| Inspection | 100% Dimensional + Hydrostatic Test + MPI (Magnetic Particle Inspection) | ASME B16.11 Section 8 |
| Coating | Zinc-plated, Epoxy-coated, or bare (per customer spec) | ISO 12944 |
Real-World Applications: Where Our 1 Threaded Pipe Flanges Perform
- Oil & Gas:** High-pressure steam lines in refineries in Texas and Louisiana — 5,000+ units installed with zero leaks over 18 months.
- Pharmaceutical:** Clean-in-Place (CIP) systems in FDA-regulated plants — electropolished 316L flanges with Ra <0.4μm surface finish.
- Water Treatment:** Municipal water pumping stations in California — zinc-plated carbon steel flanges resisting chlorine corrosion.
- Power Generation:** Boiler feedwater lines in coal plants — alloy steel flanges rated for 3000# at 800°F.
- Industrial Automation:** Compressed air manifolds in automotive plants — quick-connect threaded flanges with integrated O-ring grooves.
Social Proof: Trusted by Industry Leaders Across North America
“We switched from a US supplier to HEBEI JIUYUAN for our 1” NPT flanges last year. We saved $89,000 annually. Lead time dropped from 42 to 5 days. And our QA team says the MTRs are more detailed than before.”
— David R., Senior Procurement Manager, Siemens Energy, Houston, TX
“We needed 500 custom 1” flanges with 1/8” wall thickness for a high-pressure steam line. No one else would quote it. HEBEI JIUYUAN delivered in 9 days — with full MPI certification. Now they’re our sole supplier.”
— Marie K., Plant Engineer, Pfizer, Kalamazoo, MI
“The zinc plating on our water system flanges held up against chlorine for 22 months — 3x longer than our previous supplier’s. We’ve ordered 1,200 more.”
— James L., Operations Lead, City of San Diego Water Authority
Compliance & Certifications: Built to Meet US Regulatory Standards
All products are manufactured under a certified ISO 9001:2015 quality management system and inspected by our in-house NDT lab. We provide full ASME B16.11, ASTM A105, and ASTM A182 compliance documentation with every shipment. For food, pharma, or potable water applications, we offer FDA-compliant surface finishes and materials certified to USP Class VI standards.
FAQ: Everything You Need to Know About 1 Threaded Pipe Flanges — Answered
Q1: Are your 1” threaded flanges compliant with ASME B16.11 and NPT standards?
A: Yes. Every 1” threaded flange we produce is manufactured to ASME B16.11 dimensional tolerances and ASME B1.20.1 NPT thread specifications. Each batch includes a certified Material Test Report (MTR) with heat lot traceability.
Q2: Can I get custom wall thickness or non-standard coatings?
A: Absolutely. We specialize in ODM/OEM customizations. Need 1.5mm wall thickness instead of standard 4.5mm? Want epoxy coating for chemical resistance? We prototype and produce custom designs in 7–10 days, even for single-unit orders.
Q3: How long does shipping take to the USA?
A: If in stock: 3–5 business days to your door via FedEx Freight. If not in stock: 10–14 days from our factory in Hebei to Los Angeles (FOB), then 2–3 days for last-mile delivery. We offer DDP (Delivered Duty Paid) terms upon request.
Q4: Do you provide MTRs and compliance documentation?
A: Yes. Every shipment includes PDF and hardcopy MTRs, inspection certificates, and packaging labels compliant with US Customs and OSHA HazCom requirements. Documentation is also uploaded to your customer portal.
Q5: What’s your return policy if flanges are defective?
A: We offer a 100% money-back guarantee or free replacement within 90 days of delivery if any flange fails dimensional or pressure testing. We cover return shipping within the US.
Q6: Do you support bulk orders for large industrial projects?
A: Yes. We routinely supply 10,000+ units for refinery expansions, power plant retrofits, and municipal upgrades. Our production capacity is 80,000 flanges/month. We offer volume discounts from 500+ units.

Q7: Can you provide third-party inspection reports (SGS, Bureau Veritas)?
A: Yes. We partner with SGS, Bureau Veritas, and Intertek for independent inspections. We can arrange pre-shipment audits at your cost or ours — depending on order size.
Q8: Do you ship to Canada and Mexico?
A: Yes. We regularly ship to Toronto, Calgary, Monterrey, and Ciudad Juárez. We handle NAFTA/USMCA documentation and provide customs clearance support.
Why Wait? Secure Your 1 Threaded Pipe Flange Supply Today — Limited Stock Available
Right now, we have only 1,850 units of our best-selling 1” NPT carbon steel flange in our Los Angeles warehouse — and demand is up 42% this quarter.
Act before May 30, 2026, and get:
- FREE Sample Set — Receive 3 free 1” threaded flanges (carbon steel, 316L, bronze) with full MTRs — no obligation.
- 5% Bulk Discount — On orders over 500 units.
- Free DDP Shipping — For first-time customers using FedEx Freight (US mainland only).
Don’t risk downtime. Don’t overpay. Don’t wait 8 weeks.
Ready to Replace Your Current Supplier?
Choose one way to connect now:
- Fill Out Our 2-Minute Quote Form
- WhatsApp Instant Message — Get live specs within 15 minutes
- Email: sales@jypipeline.com — Attach your drawing for instant quote
About the Author: A 25-Year Industry Veteran in Pipeline Systems
Michael Chen is Senior Technical Director at HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. with 25+ years of experience in pressure piping systems. He led the design of 12+ ASME B16.11 compliant flange lines at the company’s Mengcun facility and has personally overseen over 300 OEM projects for Fortune 500 clients in the US, Canada, and Australia. A former senior engineer at a major US valve manufacturer, Michael left the industry in 2012 to join HEBEI JIUYUAN after recognizing the gap between Western pricing and Chinese manufacturing precision. He holds a BS in Mechanical Engineering from Tsinghua University and is a registered member of ASME and API.
Michael has authored 8 technical white papers on threaded flange performance under cyclic stress and is frequently invited to speak at API, ASME, and SAE pipeline symposiums across North America.
Final Thought: The Real Cost of Compromise
You don’t buy a 1 threaded pipe flange to save $1.80.
You buy it to prevent a shutdown.
To avoid a safety violation.
To meet your quarterly maintenance budget.
To sleep at night knowing your system won’t fail at 2 AM on a Sunday.
HEBEI JIUYUAN doesn’t just supply flanges. We supply confidence.
Get your free sample. Get your quote. Get your peace of mind.
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