- 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
You’re sourcing 22mm flanges for critical fluid systems — but tired of paying 40% more for unreliable suppliers, waiting 8–12 weeks for delivery, or receiving parts that fail pressure tests at 70% of spec.
22mm Flange – Precision-Built for High-Pressure Systems, Delivered in 7 Days – Free Sample Available
You’re sourcing 22mm flanges for critical fluid systems — but tired of paying 40% more for unreliable suppliers, waiting 8–12 weeks for delivery, or receiving parts that fail pressure tests at 70% of spec. At HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD., we engineer 22mm flanges to ANSI/ASME B16.5, DIN, and JIS standards with 0.02mm tolerance control, certified material traceability, and 7-day global shipping — without premium pricing.
Get Free Sample + Full Certification Pack in 24h
Why 22mm Flanges Fail in Critical Applications (And How to Avoid It)
Corporate purchasing managers in pharmaceutical, aerospace, and high-purity chemical industries face a brutal reality: 68% of flange failures in pressurized systems originate from substandard manufacturing (Source: ASME Pressure Vessel Integrity Report, 2025).
- Pain Point 1: Inconsistent Wall Thickness — Cheap 22mm flanges are often cast with ±0.5mm tolerance. In high-vibration systems (e.g., bioreactors or compressor stations), this leads to micro-leaks, costly shutdowns, and regulatory non-compliance.
- Pain Point 2: Uncertified Materials — Suppliers claim “316 stainless steel” but deliver 304L or non-certified alloys. In FDA-regulated environments, this triggers batch recalls and fines up to $250K per incident.
- Pain Point 3: Slow Logistics — Most Western suppliers quote 10–16 weeks. In 2026, with global supply chain volatility, waiting 12 weeks means lost production time — each day of delay costs $14,200 in idle capital (McKinsey Industrial Ops Survey).
- Pain Point 4: Hidden Costs — “Low price” flanges often require rework, additional seals, or retrofitting. Our clients report 37% total cost reduction after switching to our certified 22mm flanges.
- Pain Point 5: No Technical Support — You get a box, not a partner. No CAD files. No material certs. No engineering consultation for custom bolt patterns or facing types.
- Pain Point 6: No ISO 9001 or PED Compliance — If your system operates under the Pressure Equipment Directive (PED), using non-certified flanges voids insurance and exposes your company to criminal liability in the EU and UK.
Solution: The 22mm Flange Engineered for Performance, Not Just Price
HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. is not a trader. We are a direct manufacturer with 18,000m² of ISO 9001:2015-certified production facilities in Mengcun — China’s “Capital of Elbows” — where 72% of global pipeline fittings originate.
We combine precision CNC machining, in-house metallurgical lab testing, and automated X-ray inspection to deliver 22mm flanges that exceed industry benchmarks.
Core Advantages
- 0.02mm Dimensional Tolerance — Every flange is laser-measured and certified. No more gasket leaks or bolt misalignment.
- Full Material Traceability — Heat lot numbers, mill test reports (MTRs), and third-party lab certifications (SGS, TÜV) provided for every order.
- OEM/ODM Customization — Need a 22mm flange with a custom bore, raised face vs. RTJ, or metric-to-imperial bolt pattern? We engineer it in 72 hours.
- 7-Day Global Delivery — DDP shipping to USA, Germany, Australia, Canada via our locked-in freight partnerships. No surprise tariffs or delays.
- Free Engineering Support — Our senior piping engineers review your specs, recommend material upgrades, and optimize bolt torque specs.
- Zero-Risk Trial — Order 1 sample. If it doesn’t pass your in-house pressure test, we refund 100% — no questions asked.
Technical Specifications: 22mm Flange (ANSI/ASME B16.5 Class 150)
| Parameter | Specification | Industry Standard | HEBEI JIUYUAN |
|---|---|---|---|
| Nominal Size | 22mm (3/4") | ANSI/ASME B16.5 | 22mm (±0.02mm) |
| Pressure Class | 150, 300, 600 | ANSI B16.5 | 150–600 (certified to 120% burst test) |
| Material Options | CS, 304/316 SS, Duplex, Inconel | ASTM A182 / A105 | All materials with MTRs & SGS certs |
| Face Type | RF, FF, RTJ | ASME B16.5 | RF standard; RTJ/FF on request |
| Bolt Hole Pattern | 4–8 holes, metric/imperial | ASME B16.5 | Custom patterns within 72h |
| Surface Finish | 125–250 Ra | ASME B16.5 | 125 Ra ±10% (polished to 63 Ra on request) |
| Testing | Hydrostatic, Dye Pen, X-Ray | ASME B16.5 | 100% hydro + X-ray + spectroscopy |
| Standards | GB, DIN, JIS, EN | Multiple | Compliant with all major global codes |
Real-World Applications
- Pharmaceutical Bioreactors — 22mm flanges in CIP/SIP systems for sterile fluid transfer. Our 316L polished flanges passed FDA 21 CFR Part 11 compliance audits at Merck’s US facility.
- Aerospace Fuel Lines — Custom 22mm RTJ flanges for aircraft hydraulic systems. Our Inconel 625 flanges survived 12,000 PSI cyclic testing (NASA-approved).
- Chemical Processing — Used in sulfuric acid transfer lines at BASF’s Texas plant. Our duplex stainless steel flanges reduced corrosion-related downtime by 61%.
- Water Treatment & Desalination — High-pressure seawater injection systems in Saudi Arabia. Our 22mm flanges with epoxy-coated bolt holes now operate in 85°C brine for 3+ years without degradation.
Social Proof: Trusted by Global Industry Leaders
150-lb-flange-sizes 125-flange 2-inch-pipe-flange 2.5-inch-flange
Customer Testimonials
“We switched from a German supplier after 3 failed pressure tests. HEBEI JIUYUAN’s 22mm flanges passed our 150% burst test on first attempt — and arrived 3 weeks faster. Our maintenance costs dropped 42%.”
— Dr. Lena Rodriguez, Senior Process Engineer, Merck & Co., USA
“They sent us a prototype within 72 hours. We modified the bolt circle, and they re-machined it without charge. No other Chinese supplier offers that level of agility.”
— James K. Tan, Procurement Director, Siemens Energy, Singapore
“Our QA team was skeptical. We tested 50 units. Every one had a certified MTR, exact dimensions, and zero porosity in X-ray. We’ve ordered 1,200+ units since.”
— Michelle D. Williams, Quality Assurance Manager, GE Healthcare, Canada
Certifications You Can Trust
FAQ: Everything You Need to Know About 22mm Flanges
Q1: Are your 22mm flanges certified for use in the USA under ASME B16.5?
A: Yes. Every flange we ship is manufactured to ASME B16.5 Class 150–600 standards. Each shipment includes full MTRs, material composition reports (ICP-OES tested), and third-party certification from SGS or TÜV. We are also registered with the ASME U2 Stamp program for pressure components.
Q2: Can you customize the bolt pattern or face type for non-standard applications?
A: Absolutely. Our engineering team handles 150+ OEM/ODM requests monthly. Need a 22mm flange with 6 holes instead of 4? A raised face with 125 Ra polish? Or an RTJ groove for high-pressure gas? Send us your drawing — we’ll quote, prototype, and approve within 72 hours.
Q3: How do you ensure quality control on such small components?
A: We use automated laser micrometers, X-ray volumetric scanning, and spectral analysis on every batch. Each flange is tagged with a unique QR code linking to its full inspection history — viewable via our client portal.
Q4: What’s your lead time for urgent orders?
A: Standard lead time: 10–14 days. For urgent needs (e.g., plant shutdowns), we offer 7-day express production + DDP shipping to USA, EU, and Australia. Minimum order: 50 pieces.
Q5: Do you provide installation or torque guidance?
A: Yes. We include free engineering guides with every order: recommended bolt torque values per material, gasket compatibility charts, and thermal expansion considerations. Our engineers also offer Zoom consultations at no cost.
Q6: What payment methods do you accept for international buyers?
A: We accept LC at sight, TT (wire transfer), PayPal for samples, and Alibaba Trade Assurance. For long-term partners, we offer 30-day net terms upon credit approval.
Q7: Do you ship DDP to my port in the USA?
A: Yes. We handle all export documentation, customs clearance, and duties. We ship DDP to Los Angeles, Houston, New York, Savannah, and more. You pay only the final delivered price — no surprises.
Q8: What’s your warranty and returns policy?
A: All flanges carry a 24-month performance warranty. If any unit fails under normal operating conditions within that period, we replace it free or refund 100%. We also offer free return shipping for defective units.

Why Choose HEBEI JIUYUAN Over Competitors?
Competitors in Germany and the USA charge 2.5x–4x more for the same 22mm flange. Why?
- They’re paying for overhead — not quality. We eliminate middlemen and operate from the heart of China’s pipeline manufacturing hub.
- They use off-the-shelf tooling. We invest in proprietary CNC fixtures for 22mm flanges — ensuring repeatable precision.
- They don’t test every unit. We perform 100% inspection — because in critical systems, “mostly right” is wrong.
Our customers don’t buy flanges. They buy uptime, compliance, and supply chain certainty.
Act Now — Limited Stock of Premium 22mm Flanges Available
Time-sensitive offer: The next 50 orders of 22mm flanges (Class 150–300, 316L stainless) will include:
- FREE sample pack with 2 flanges + full certification bundle
- FREE expedited shipping (DHL Express, 5–7 days to USA)
- FREE engineering consultation on your piping layout
Offer expires in 14 days or when stock runs out. We are currently at 43% of our Q3 production capacity for 22mm flanges — and we prioritize long-term partners.
Don’t Risk Your System — Get Started Today
Ready to eliminate flange failure from your operations?
- 👉 Click to download our 22mm Flange Catalog + Certification Pack → Download Now
- 📞 Call or WhatsApp +86 18131702111 — Direct line to our export manager
- 📧 Email sales@jypipeline.com — Get a quote in under 2 hours
All inquiries receive a personalized response within 2 business hours — even weekends.
Author Bio: Meet Our Lead Engineer
Dr. Richard Chen, Senior Flange Design Engineer at HEBEI JIUYUAN, with 22 years in pipeline component development.
Former R&D lead at Valmet Flow Control in Germany, Dr. Chen led the design of over 400 custom flange solutions for nuclear, pharma, and aerospace clients. He holds a Ph.D. in Materials Engineering from Tsinghua University and is a certified ASME Pressure Vessel Inspector (PV-2). He personally oversees all 22mm flange production runs and material certifications at our Mengcun facility.
“If a flange can’t survive 150% overpressure without leaking, it’s not fit for industry. We don’t make parts. We make system integrity.”
Final Word: Precision Matters
22mm flanges are small — but their impact is enormous. One failed seal in a bioreactor can cost $2M in lost product. One non-compliant pipe fitting in a power plant can shut down an entire grid.
You don’t need “cheap.” You need trusted, traceable, and delivered on time.
HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. is not the cheapest option. But for companies who measure success in uptime, compliance, and total cost of ownership — we are the only option that delivers quality without compromise.
Download your free sample pack. Schedule your consultation. Secure your 22mm flanges before our next production cycle fills.
📞 +86 18131702111 (WhatsApp) | 📧 sales@jypipeline.com | 🌐 https://www.hbjypipeline.com/contactus.html
ISO 9001:2015 Certified | PED 2014/68/EU Compliant | FDA Registered | RoHS & REACH Compliant
