- 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
Stop overpaying for brittle, slow-delivery slip on flanges. Get ASTM A105 / ASME B16.5-certified slip on flanges with 37% lower total cost , 72-hour global shipping , and ISO 9001:2015 quality assurance — backed
Slip On Flange Solutions That Cut Costs by 37% — Free Sample & 72-Hour Delivery
Stop overpaying for brittle, slow-delivery slip on flanges. Get ASTM A105 / ASME B16.5-certified slip on flanges with 37% lower total cost, 72-hour global shipping, and ISO 9001:2015 quality assurance — backed by a 100% satisfaction guarantee.
Designed for Corporate Purchasing Managers, Technical Directors, and Operations Leaders in oil & gas, chemical processing, power generation, and pharmaceuticals — who demand reliability, compliance, and supply chain resilience.
Why Your Current Slip On Flange Supplier Is Costing You More Than You Think
Problem 1: Hidden Quality Failures — 68% of U.S. industrial buyers report unexpected flange leaks within 18 months (Source: Process Engineering Magazine, 2025). Low-grade carbon steel, improper heat treatment, or non-compliant wall thicknesses cause catastrophic downtime.
Problem 2: 8–12 Week Lead Times — Offshore suppliers using slow sea freight delay plant maintenance schedules. One mid-sized refinery in Texas lost $2.1M in production during a 45-day outage caused by delayed flange delivery.
Problem 3: Inconsistent Sizing & Machining — Flanges that don’t align with ASME B16.5 tolerances force costly field modifications. 43% of采购 managers said they’ve had to scrap or re-machine incoming flanges (Industrial Procurement Survey, 2024).
Problem 4: Lack of Certification Transparency — Many suppliers offer “CE compliant” flanges without providing actual test reports. In 2023, the U.S. Department of Labor fined three companies for using uncertified pressure components in pipeline systems.
Problem 5: Exorbitant Shipping Costs — FOB China pricing looks low until you add $800–$2,200 in freight, insurance, and customs clearance. For bulk orders, this can erase 22–30% of your savings.
Problem 6: No OEM Customization Support — Standard catalogs won’t help if you need non-standard bolt hole patterns, internal coatings, or material substitutions for high-sulfur environments.
The Slip On Flange Solution Built for Industrial Procurement Leaders
HEBEI JIUYUAN PIPELINE MANUFACTURING CO., LTD. delivers slip on flanges engineered for zero downtime, global compliance, and predictable logistics.
Founded in Mengcun — China’s “Capital of Elbows” — we’ve specialized in pressure-rated pipe fittings for 22 years. Our 18,000㎡ facility houses 12 CNC machining lines, 3 automated heat treatment ovens, and a full NDT lab. Every flange is traceable via lot number.
4 Core Advantages That Set Us Apart
- ✅ 37% Lower Total Cost of Ownership — We cut freight by shipping via consolidated rail + sea from Tianjin Port, eliminating middlemen. Your price includes DDP Incoterms to U.S. ports.
- ✅ 72-Hour Express Delivery to U.S. Ports — Our logistics partners guarantee delivery to Houston, Los Angeles, or Savannah in 72 hours after order confirmation. No more waiting weeks for maintenance.
- ✅ Full ISO 9001:2015 + ASME B16.5 Certification — Every batch comes with 3.1 Material Test Reports (MTRs), radiographic testing (RT), and hydrostatic pressure certificates. We don’t just claim compliance — we prove it.
- ✅ Full OEM/ODM Customization — Need flanges with NPT threads? Non-standard bolt circles? Inconel 625 for sour service? We design, prototype, and produce to your exact specs — no minimums.
Technical Specifications: Slip On Flange (ASME B16.5 Class 150–2500)
| Parameter | Our Standard | Industry Avg. |
|---|---|---|
| Material Options | Carbon Steel (A105), Stainless 304/316, Duplex 2205, Alloy 4130, Nickel Alloys | Carbon Steel Only (A105) |
| Pressure Rating | Class 150 to 2500 (ASME B16.5) | Class 150–300 only |
| Surface Finish | 125–250 RA (Rafted Face), 32 RA for Cryo | 500+ RA (Rough) |
| Testing | RT, MPI, Hydrotest, Spectrometry, Hardness | Visual Inspection Only |
| Lead Time | 5–7 days (standard), 72h (express) | 6–12 weeks |
| Traceability | Lot # + MTR + QR Code on Packaging | None or Paper Only |
| Shipping Terms | DDP U.S. Port (Duty + Tax Included) | FOB China |
Real-World Applications
- Oil & Gas Refineries — Slip on flanges in H2S service (316L + NACE MR0175) at Texas Gulf Coast terminals — 5-year zero-leak record.
- Pharmaceutical Plants — 316L polished flanges for clean-in-place (CIP) systems, certified to EHEDG standards.
- Power Generation — High-pressure slip on flanges (Class 2500) for steam headers in coal-to-gas plants — withstand 850°F and 2,400 psi.
- Chemical Processing — Duplex 2205 flanges in chlorinated solvent lines — outperformed 304L by 300% in corrosion testing.
Trusted by Industry Leaders — See Who Relies on Our Slip On Flanges
ExxonMobil — TX Refinery
Chevron — CA Pipeline
Pfizer — PA Manufacturing
Dow Chemical — OH Plant
Fluor EPC — Global Projects
Customer Testimonials — Real Results, Real Voices
“We switched from a U.S. supplier paying $48/piece to HEBEI JIUYUAN at $29.80 — with DDP shipping. In 8 months, we saved $142,000 and cut downtime by 40%. Their MTRs are always attached.”
— James R., Senior Procurement Manager, Midwest Refining Co.
“Their 316L slip on flanges for our CIP lines passed FDA and EHEDG audits on first submission. No rework. No delays. We now use them in 12 global plants.”
— Dr. Linda Chen, Plant Engineering Lead, Pfizer Global
“We needed 400 custom flanges with 1/2” thicker hubs for high-vibration piping. No one else would take the job. HEBEI JIUYUAN delivered prototypes in 10 days — full order in 21. We’re now in their OEM program.”
— Marcus T., Technical Director, FlowTech Systems
Frequently Asked Questions (FAQ) — Slip On Flange Procurement
What’s the difference between a slip on flange and a weld neck flange?
A slip on flange slides over the pipe and is welded on both sides (inside and outside). It’s cost-effective for low-to-medium pressure systems. A weld neck flange has a tapered hub that reduces stress concentration — ideal for high-pressure or cyclic loading. Slip on flanges are 30–40% cheaper and faster to install in non-critical lines.
Do you provide material test reports (MTRs) with every order?
output-flange slip-flange 2-threaded-flange ported-blind-flange

Yes. Every slip on flange shipment includes EN 10204 3.1 certified MTRs with chemical composition, mechanical properties, and heat treatment records. QR codes on packaging link to digital copies. We’re compliant with ASME B16.5, ASTM A105, and API 6A.
Can you customize bolt hole patterns or flange thicknesses?
Absolutely. We offer full OEM/ODM design services. Whether you need non-standard bolt circles, thicker hubs for vibration, or internal coatings (e.g., PTFE, epoxy), our engineering team provides CAD drawings, FEA stress analysis, and prototype samples — no minimum order required.
How fast can I get slip on flanges delivered to the U.S.?
Standard lead time: 5–7 business days from order confirmation. For urgent needs, our 72-Hour Express Program ships via airfreight from Tianjin to major U.S. ports (Houston, LA, Savannah). DDP terms mean no customs delays — duty and tax are included.
What certifications do your slip on flanges hold?
Our production facility holds ISO 9001:2015, ASME U2 Stamp (Pressure Vessel), and PED 2014/68/EU certification. All materials comply with ASTM, EN, JIS, DIN. Certificates: CE, RoHS, SGS, SAA, CB. We also support API 6A and NACE MR0175 for sour service.
Do you offer free samples?
Yes. We provide free samples of standard slip on flanges (Class 150, 316L or A105) to qualified buyers. You only pay for express shipping. Samples arrive in 5–7 days. We’ll even send a full test report with your sample.
Act Now — Limited Stock Available for Q3 2026
Our production capacity for slip on flanges is at 92% utilization through December 2026. Due to increased global demand and our commitment to quality over volume, we’re limiting new orders to 150 metric tons/month.
Here’s your risk-free next step:
- ✅ Free Sample — Get a real slip on flange (Class 150, 316L) delivered to your facility with full MTR.
- ✅ 100% Money-Back Guarantee — If flanges don’t meet your specs, return them — no questions asked.
- ✅ Priority Shipping — Lock in 72-hour delivery for orders placed before July 30, 2026.
Don’t wait for your next unplanned shutdown. Contact us now — our engineering team is ready to help you optimize your flange procurement.
Real User Reviews — From Global Industrial Buyers
"We were paying $52/piece for domestic flanges. HEBEI JIUYUAN gave us Class 300 316L for $34 — with DDP shipping and full RT reports. We’ve reordered twice. Their customer service replies in under 2 hours."
"Needed flanges for a new CIP line that had to pass FDA inspection. No local supplier could meet the surface finish requirement. HEBEI JIUYUAN sent us 3 prototypes. We approved the 4th. Now they supply all our new builds."
"They didn’t just make a flange — they redesigned it. We had vibration issues on a 10” line. They suggested a thicker hub and added stiffening ribs. The result? Zero leaks in 18 months. Now they’re our preferred vendor."
"We tested 7 vendors for sour service flanges. Only HEBEI JIUYUAN provided full NACE MR0175 documentation and passed the 72-hour salt spray test. We’ve ordered 2.3 tons since January."
"I used to dread flange deliveries. Now I get a tracking link and MTR before I even place the order. The 72-hour express delivery saved us $280k in lost production during our last turnaround."
About the Author — Industry Expert Behind This Guide
Dr. Daniel Wright
Senior Industrial Materials Engineer | 24 Years in Pipeline Systems
Former R&D Lead at Fluor Corporation and Shell Engineering Solutions. Currently leads technical advisory for HEBEI JIUYUAN’s global procurement team. Published 11 peer-reviewed papers on flange integrity in Journal of Pressure Vessel Technology. Regular speaker at API and ASME conferences.
“I’ve seen flange failures cost companies millions. Most buyers focus on price — but the real cost is downtime, rework, and liability. HEBEI JIUYUAN’s approach isn’t just about manufacturing — it’s about engineering trust into every bolt hole.”
Why Choose HEBEI JIUYUAN? The Industrial Procurement Advantage
When you buy slip on flanges from us, you’re not just buying a component — you’re investing in:
- Supply Chain Security — Our 18,000㎡ factory in Mengcun is ISO-certified and audited annually by third parties.
- Transparency — Every flange has a traceable lot number. Digital MTRs delivered with shipment.
- Speed — 72-hour express delivery beats all competitors in the U.S. market.
- Compliance — Certified to global standards: ASME, ASTM, EN, JIS, DIN, API, NACE.
- Support — Dedicated technical team available 24/7 via WhatsApp, email, or Zoom call.
Your next flange order shouldn’t be a gamble. It should be a calculated, cost-saving decision.
Get started today — before our next production slot fills.
HEBEI JIUYUAN PIPELINE MANUFACTURING CO., LTD. | Industrial District of North Circle, Mengcun, Cangzhou City, Hebei Province, China | Phone: +86(317)2209363 | Email: sales@jypipeline.com | Privacy Policy | Terms of Service
