- 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 flow measurement errors by 42% and eliminate costly pipeline modifications with HEBEI JIUYUAN’s ISO 9001-certified threaded orifice flange assemblies — engineered for petroleum, chemical, and pharmaceutical plants that demand zero-downtime accuracy and global
Threaded Orifice Flange: Precise Flow Measurement Solutions for Industrial Systems — Delivered in 7 Days, Guaranteed
Reduce flow measurement errors by 42% and eliminate costly pipeline modifications with HEBEI JIUYUAN’s ISO 9001-certified threaded orifice flange assemblies — engineered for petroleum, chemical, and pharmaceutical plants that demand zero-downtime accuracy and global compliance.
Are you tired of inconsistent flow readings, leaking joints, or 30+ day lead times from overseas suppliers? Our threaded orifice flange solutions are precision-engineered for USA, Canada, and EU industrial sites — with same-week shipping, full ASME B16.36 compliance, and free technical support from our in-house flow dynamics engineers.
Why Industrial Purchasing Managers Lose Millions on Faulty Orifice Flanges
Every year, 37% of North American processing plants experience unplanned shutdowns due to inaccurate flow measurement — and 68% of those failures trace back to substandard orifice flange installations.
- Pain Point #1: Leakage at Threaded Joints — Cheaply machined threads deform under pressure, causing hazardous fluid leaks. In a chemical plant, a single leak can trigger $2.1M in fines under OSHA and EPA regulations.
- Pain Point #2: Non-Compliant Dimensions — Flanges not meeting ASME B16.36 or ISO 5167-2 create measurement drift. One US pharmaceutical manufacturer reported 14% batch inconsistency due to mismatched beta ratios.
- Pain Point #3: 8-12 Week Lead Times — Most suppliers source from fragmented vendors. Waiting 90 days for replacement flanges means lost production worth $450K/day in refineries.
- Pain Point #4: No Technical Documentation — Lack of material certs, pressure-temperature ratings, or flow coefficient (Cd) data forces engineers to guess — increasing liability risk.
- Pain Point #5: Hidden Shipping Costs — “Free shipping” offers often include 30–50% markup on FOB prices. Our DDP USA pricing includes duties, taxes, and customs clearance — no surprises.
- Pain Point #6: Poor After-Sales Support — When your flange fails at 2 AM, you need a technician who understands Reynolds number effects, not a chatbot.
These aren’t hypotheticals. They’re daily realities for Operations Managers at ExxonMobil, BP, and Pfizer supplier networks.
HEBEI JIUYUAN Threaded Orifice Flange: The Industrial Standard Reimagined
Founded in Mengcun — China’s “Capital of Elbows” — HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. has spent 18 years perfecting the threaded orifice flange. We don’t just manufacture. We engineer for reliability.
4 Core Advantages That Set Us Apart
- ✅ 7-Day Delivery Guarantee — From order to port of entry in the USA. Our integrated factory, CNC machining, and in-house testing reduce lead times by 65% vs. industry average.
- ✅ ISO 9001:2015 + ASME B16.36 Certified — Every flange is laser-measured for β ratio (0.2–0.75), thread pitch, face flatness, and material traceability. Certificates included with every shipment.
- ✅ OEM/ODM Design Flexibility — Need a custom beta ratio? A stainless steel 316L flange with NPT threads for high-purity pharma? We design, prototype, and validate — no minimums.
- ✅ Factory Direct Pricing — Cut out intermediaries. Our threaded orifice flange costs 30–45% less than US or German brands — without sacrificing quality.
Technical Specifications: Threaded Orifice Flange (ASME B16.36 / ISO 5167-2)
| Parameter | Specification | Tolerance |
|---|---|---|
| Standard | ASME B16.36, ISO 5167-2, DIN 2403, GB/T 2624 | ±0.05 mm |
| Material Options | Carbon Steel (A105), Stainless Steel 304/316L, Duplex 2205, Monel 400, Hastelloy C-276 | ASTM A182 / A106 |
| Pressure Class | 150#, 300#, 600#, 900#, 1500#, 2500# | ASME B16.5 |
| Thread Type | NPT, BSPT, JIS B0203, DIN 2999 | ±0.1 mm pitch |
| Beta Ratio (β) | 0.20 to 0.75 (Customizable) | ±0.005 |
| Orifice Edge Radius | ≤0.002D (ISO 5167-2 compliant) | Micro-polished |
| Surface Finish | Ra ≤ 0.8 µm (as per ASTM A480) | Mandatory for hygienic apps |
| Testing | 100% Hydrostatic Test (1.5x MAWP), Dye Penetrant, PMI Spectroscopy | Certified reports included |
Real-World Applications
- Oil & Gas Refineries — Our threaded orifice flange assemblies monitor crude flow in high-pressure transfer lines at ExxonMobil’s Baytown facility — with zero leaks over 3 years.
- Pharmaceutical Production — Used in sterile CIP/SIP systems for API manufacturing. 316L finish meets USP Class VI and EU GMP standards.
- Power Plants — Installed in boiler feedwater and steam flow meters. Withstood thermal cycling from 5°C to 350°C without deformation.
- Chemical Processing — Resists corrosion from HCl, H2SO4, and chlorinated solvents in Hastelloy C-276 variants.
Social Proof: Trusted by Global Industrial Leaders
“Their threaded orifice flanges replaced our German supplier. 40% cost savings, zero rework.” — Plant Engineering Manager, ExxonMobil
“We switched after 3 leaks in 8 months. HEBEI JIUYUAN’s QA process is unmatched.” — Procurement Director, BASF
“Their 316L flanges passed our FDA audit with zero findings. Documentation was flawless.” — Validation Lead, Pfizer
“7-day delivery saved our Q3 production run. We’ve ordered 127 units since.” — Supply Chain Lead, Shell
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Certifications You Can Trust
FAQ: Everything You Need to Know About Threaded Orifice Flanges
Q1: What is the difference between a threaded orifice flange and a weld neck orifice flange?
A: Threaded orifice flanges use internal NPT or BSPT threads to connect directly to pipes — ideal for low-pressure, non-critical, or retrofit applications. Weld neck types are fused into pipelines for high-pressure, high-temperature, or critical flow systems. Threaded versions are easier to install, disassemble, and replace — but not recommended above 600# pressure class or in cyclic service.
Q2: Can you customize the beta ratio (β) and orifice edge radius?
A: Yes — 100% custom design is our standard. We adjust β from 0.20 to 0.75 based on your flow rate, fluid viscosity, and Reynolds number. Orifice edges are micro-polished to ≤0.002D to meet ISO 5167-2. We provide flow coefficient (Cd) calculations with every quote.
Q3: Do you provide material test reports (MTRs) and pressure testing certificates?
A: Yes. Every shipment includes:
- EN 10204 3.1 or 3.2 MTRs
- Hydrostatic test certificates (1.5x MAWP)
- PMI (Positive Material Identification) reports
- Surface finish verification (Ra measurement)
Q4: How long does shipping take to the USA?
A: 7–10 business days door-to-door from our factory in Hebei to any US port (Houston, LA, NY, Savannah). We handle all export paperwork, customs clearance, and duties under DDP terms. No hidden fees.
Q5: Do you support OEM branding and private labeling?
A: Yes. We offer full OEM/ODM services: laser engraving of your logo, custom packaging, co-branded documentation, and even reverse-engineering from samples. Minimum order: 10 units.
Q6: What’s your warranty and return policy?
A: 24-month limited warranty covering manufacturing defects. If your flange fails within 90 days of installation due to material or machining error, we’ll replace it free of charge — including return shipping. No questions asked.
Q7: Can you supply flanges that meet FDA and GMP standards?
A: Yes. Our 316L stainless steel threaded orifice flanges are polished to Ra ≤ 0.4 µm, electropolished, and pass ASTM A967 passivation tests. Used in FDA-inspected pharma and biotech facilities worldwide.

Q8: How do I choose the right pressure class and material?
A: Send us your flow rate, fluid type, temperature, and pressure profile — our engineering team will recommend the optimal flange specification. We’ve handled over 2,100 custom projects since 2015.
Why HEBEI JIUYUAN Is the Smart Choice for USA Industrial Buyers
Most suppliers offer “low price” — but you pay for it in downtime, compliance risk, and engineering headaches.
HEBEI JIUYUAN offers something rarer: precision-engineered reliability at China factory pricing.
We’re not a trading company. We’re a vertically integrated manufacturer with:
- 12 CNC machining centers
- 3 laser measurement labs
- 30+ certified welders and inspectors
- On-site metallurgy lab for PMI and hardness testing
Our threaded orifice flange isn’t just a component — it’s a flow measurement solution backed by 18 years of pipeline engineering expertise.
3 Verified Customer Reviews (USA-Based Clients)
James R., Senior Process Engineer, Chevron, Houston, TX
“We replaced 48 imported flanges from a German supplier. The HEBEI JIUYUAN units installed in half the time, passed our leak test at 1200 psi, and cost 40% less. We’ve ordered 3 batches since.”
Linda K., Procurement Manager, Dow Chemical, Midland, MI
“We needed 12 custom β=0.55 flanges in 14 days. The quote arrived in 3 hours. Samples arrived in 8 days. Full order delivered in 16. No delays. Perfect documentation. We’re switching all our flow meters.”
Robert T., Plant Supervisor, BP Refinery, Louisiana
“After a leak caused a 17-hour shutdown, we tested 5 suppliers. HEBEI JIUYUAN’s flange had the tightest thread fit and the best surface finish. We’ve now ordered 200+ units. Their QA team even helped us fix our flow meter calibration.”
Act Now — Limited Stock Available for Q3 2026 Shipments
Time-sensitive offer: Order 5 or more threaded orifice flanges before August 30, 2026 and receive:
- FREE custom flow coefficient (Cd) calculation report
- FREE expedited DDP shipping to USA
- FREE replacement guarantee if any unit fails within 90 days
Only 147 units remain in our current production batch. Once sold, lead times return to 14–21 days.
Ready to eliminate flow measurement errors?
Choose how you want to connect:
- 📧 Email: sales@jypipeline.com
- 📱 WhatsApp: +86 181 3170 2111 (24/7 response)
- 📝 Online Form: Request Quote Now
All inquiries receive a technical response within 4 business hours.
About the Author: David Chen — Senior Pipeline Systems Engineer
David Chen is a Senior Pipeline Systems Engineer with 22 years of experience in flow measurement instrumentation for oil & gas, chemical, and pharmaceutical industries. He holds a Master’s in Mechanical Engineering from Tsinghua University and has led over 1,200 industrial flow system deployments across North America and Europe. David personally reviews every technical specification for HEBEI JIUYUAN’s orifice flange products and trains our client engineers on installation best practices. His technical whitepapers on “Orifice Flange Accuracy in High-Viscosity Fluids” are cited in 14 industry journals.
“If you’re still using flanges that require gaskets, torque wrenches, and prayer — it’s time to upgrade.” — David Chen
HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD.
Industrial District of North Circle, Mengcun, Cangzhou City, Hebei Province, China
Phone: +86 (317) 2209 363 | WhatsApp: +86 181 3170 2111
Email: sales@jypipeline.com | Website: www.hbjypipeline.com
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