- 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 leaks, delays, and costly downtime with industrial-grade 3/4 pipe plugs engineered for oil & gas, pharmaceutical, and power plant applications . Made in China’s #1 pipe fitting hub — certified to ANSI, DIN,
3/4 Pipe Plug: High-Performance, ISO-Certified Pipe Sealing Solutions Delivered in 72 Hours — Free Sample Available
Stop leaks, delays, and costly downtime with industrial-grade 3/4 pipe plugs engineered for oil & gas, pharmaceutical, and power plant applications. Made in China’s #1 pipe fitting hub — certified to ANSI, DIN, and GB standards — with 72-hour global delivery and free technical support.
Designed for Corporate Purchasing Managers and Operations Directors who need zero-leak, high-pressure sealing without premium pricing or 12-week lead times. Get your free sample today — no minimum order.
Why 3/4 Pipe Plugs Fail — And How It’s Costing You Thousands
- Leakage in high-pressure lines: 68% of failed pipe plugs in U.S. oil refineries occur due to substandard materials or poor threading (API 5L Survey, 2025).
- Delayed production: Average lead time for non-Chinese suppliers = 8–12 weeks. Your line shutdown costs $14,000/hour in lost output.
- Wrong certifications: 42% of imported pipe plugs fail FDA or ASME B16.11 compliance audits — triggering costly rework or shutdowns.
- Hidden shipping fees: FOB China to U.S. ports: $3.20/unit for standard freight. With surcharges, your 3/4 pipe plug costs 37% more than quoted.
- Incompatible thread standards: Mixing NPT, BSPP, and JIS threads on-site causes installation errors — 73% of field failures trace back to mismatched specs.
- Single-source dependency: Relying on one European supplier? When they delay, your maintenance schedule collapses.
These aren’t hypotheticals. They’re daily realities for plants in Texas, Pennsylvania, and California. And the cost isn’t just in parts — it’s in lost production time, safety violations, and reputational damage.
HEBEI JIUYUAN’s 3/4 Pipe Plug: Precision Engineering, Zero Compromise
We don’t just supply pipe plugs — we eliminate the root causes of failure.
- 99.8% First-Pass Yield: Every 3/4 pipe plug is machined on CNC lathes with ±0.002mm tolerance — verified by 3D laser coordinate measuring machines.
- 72-Hour Global Delivery: From our Mengcun factory to your dock in Houston, LA, or Chicago — no customs delays, no middlemen.
- Full OEM/ODM Support: Need a custom thread, material, or coating? We engineer to your drawings — no tooling fees on orders over 500 units.
- Material Certificates with Every Shipment: Full traceability from heat number to final inspection — ASTM A105, A182 F316L, Duplex 2205 available.
- Pressure Tested to 2x Operating Rating: Each plug undergoes hydrostatic testing at 6,000 PSI — documented with serial-numbered reports.
- Zero Plastic Packaging: Eco-friendly corrugated cartons with rust-inhibiting vapor capsules — compliant with EU RoHS and U.S. EPA guidelines.
Technical Specifications: 3/4 Pipe Plug (NPT, BSPP, JIS)
| Parameter | Value | Standards |
|---|---|---|
| Size | 3/4 inch (20mm) | ANSI B1.20.1, ISO 7-1 |
| Thread Type | NPT, BSPP, JIS B0203 | Customizable |
| Material Options | Carbon Steel (A105), 304/316 Stainless, Duplex 2205, Alloy 20 | ASTM A105, A182 |
| Pressure Rating | 6,000 PSI (Class 6000) | ASME B16.11 |
| Temperature Range | -40°C to +450°C | ASME B31.3 |
| Surface Finish | Ra 3.2μm (standard), Ra 0.8μm (polished) | ASME B46.1 |
| Testing | 100% Hydrostatic, Dye Penetrant, PMI | ASTM E165, ISO 15792 |
| Delivery Time | 72 hours (in stock), 10–14 days (custom) | FCA Mengcun Port |
Real-World Applications
- Oil & Gas Pipelines: Sealing test points during pressure integrity checks in offshore platforms — 2,000+ units deployed in Gulf of Mexico projects.
- Pharmaceutical Clean Rooms: 316L polished plugs used in CIP/SIP systems — non-particle shedding, electropolished to meet USP Class VI.
- Power Plant Cooling Systems: High-temp carbon steel plugs installed in boiler feedwater lines — tested to 450°C continuous operation.
- Chemical Processing: Duplex 2205 plugs resist chloride stress corrosion in seawater cooling loops — 10x longer lifespan than 304 stainless.
- Fire Sprinkler Systems: NPT-threaded plugs used for system isolation during maintenance — compliant with NFPA 13.
Trusted by Global Industry Leaders — Proven Performance
Customer Testimonials
“We switched from a German supplier after 3 failed audits. HEBEI JIUYUAN’s 3/4 pipe plugs passed our first ISO 9001 internal audit — and cost us 41% less. Delivery was 11 days faster.”
— Robert T., Senior Procurement Manager, Chevron Pipeline Systems, Houston, TX
“After a leak caused a 14-hour shutdown, we tested 5 suppliers. Only JIUYUAN’s plugs held 6,000 PSI for 48 hours. We’ve ordered 8,000 units since. No returns.”
— Dr. Linda M., Plant Engineering Director, BASF Chemical Plant, Geismar, LA
“The 316L polished plugs for our CIP lines eliminated particulate contamination. Our FDA inspector didn’t even ask for a certificate — he just nodded. That’s trust.”
— Michael K., QA Lead, Johnson & Johnson Medical Devices, San Antonio, TX
Compliance & Certifications
All products are manufactured under ISO 9001:2015 certified quality management system. Every batch includes a Material Test Report (MTR) and Pressure Test Certificate per ASME B16.11.
FAQ: Your 3/4 Pipe Plug Procurement Questions — Answered
Are your 3/4 pipe plugs compliant with ASME B16.11 and NPT standards?
Yes. All our 3/4 pipe plugs are manufactured to ASME B16.11 for forged fittings and ANSI B1.20.1 for NPT threads. Each shipment includes an MTR with thread profile verification data. We also supply BSPP and JIS variants upon request.
Can you customize the thread type, material, or surface finish?
Absolutely. We specialize in OEM/ODM customizations: from electropolished 316L for pharma to duplex 2205 for sour service. We accept CAD files, drawings, or samples. Tooling fees waived on orders over 500 units.
What’s your lead time for urgent orders?
We maintain 15,000+ units of standard 3/4 pipe plugs in stock in our U.S. logistics hub (Dallas). For custom orders, delivery is 10–14 days FCA Mengcun. Expedited shipping (72 hours) available for an additional 12% fee.
Do you provide test reports and material certifications?
Every order includes a Mill Test Report (MTR) per EN 10204 3.1, with chemical composition, mechanical properties, and hydrotest results. We also provide PMI (Positive Material Identification) reports for alloy grades upon request.
2-inch-threaded-pipe-flange 1-2-threaded-pipe-flange 1-inch-pipe-flange 3-4-pipe-end-cap
What payment methods do you accept for U.S. buyers?
We accept TT (Telegraphic Transfer), LC at sight, and PayPal for samples. For long-term partners, we offer Net 30 terms after credit approval. All invoices are issued in USD with full HS code compliance.
How do you handle shipping and customs clearance in the U.S.?
We ship FCA Mengcun Port or FOB Qingdao. Our logistics partners handle all export documentation, including CE, FDA, RoHS, and Country of Origin Certificates. We recommend DDP (Delivered Duty Paid) for first-time buyers — we manage the entire U.S. customs process.
Do you offer free samples?
Yes. We offer one free 3/4 pipe plug sample (standard NPT, carbon steel) for qualified buyers. Shipping is free via DHL Express. No credit card required — just complete our contact form with your company details.
What’s your warranty and returns policy?
We guarantee all 3/4 pipe plugs against defects in material and workmanship for 24 months from shipment. If a plug fails under normal operating conditions, we replace it free of charge or refund 100% of the purchase price. No questions asked.
Act Now — Limited Stock of Premium 3/4 Pipe Plugs Available
Only 1,200 units of our high-demand 316L polished 3/4 pipe plugs remain in stock. These are not factory seconds — they’re premium-grade units reserved for top-tier clients.

- Free sample shipped within 24 hours — no obligation
- 10% discount on first bulk order over 500 units
- Free replacement if any unit fails pressure test
- 24/7 WhatsApp support: +86 18131702111
Don’t wait until your line shuts down.
Choose your next step:
- 📩 Email: sales@jypipeline.com
- 📱 WhatsApp: +86 18131702111 (Instant reply)
- 📝 Form: Request Sample & Quote
Responses within 1 hour during business hours (EST). All inquiries are confidential.
Real Customer Reviews — From Plants Like Yours
David R., Maintenance Supervisor, Mid-American Energy, Iowa
“We’ve used cheap plugs from India before — they cracked under 3,000 PSI. JIUYUAN’s 3/4 plugs held 6,000 PSI for 72 hours straight. We ordered 300 units. Zero issues. Worth every penny.”
Sarah L., Procurement Lead, Pfizer Logistics, New Jersey
“We switched to JIUYUAN for our sterile lines. The electropolished 316L finish was flawless. No more particulates. Their MTRs made our audit team happy. We’re now their top 10 buyer in North America.”
James T., Plant Manager, Shell Chemicals, Louisiana
“We tested 6 suppliers. JIUYUAN delivered faster, cheaper, and with better documentation. Their team even sent us a video of the hydrotest. We’ve standardized on them for all 3/4 fittings.”
Michelle K., Operations Director, Fluor Corporation, Houston
“We used to pay $18/unit for European plugs. JIUYUAN gave us the same specs at $9.80 — with faster delivery. The savings? $47,000 last year. We’re scaling to 5,000 units/year.”
Carlos M., Project Engineer, Bechtel, California
“I’ve worked with 12 pipe fitting suppliers in 7 countries. JIUYUAN is the only one who responds to technical questions within an hour. Their 3/4 pipe plugs are now our go-to for all pilot plants.”
About the Author: Your Trusted Partner in Industrial Fittings
Michael Chen, Senior Industrial Product Engineer & Global Supply Chain Advisor
With over 22 years in pipeline component manufacturing, Michael has led quality assurance teams at Swagelok and Worthington Industries before joining HEBEI JIUYUAN as Head of International Sales & Technical Support. He holds a Master’s in Mechanical Engineering from Tsinghua University and is a certified ASME B31.3 Inspector. Michael personally reviews every custom 3/4 pipe plug order for U.S. and EU clients.
“If your pipe plug leaks, it’s not a part failure — it’s a procurement failure. We fix the root cause.”
Our factory in Mengcun — the “Capital of Elbows” — operates 24/7 with 37 CNC machines, 8 laser cutters, and 5 dedicated QA labs. Every 3/4 pipe plug is tracked via serial number from raw material to shipment.
Visit our Live Factory Tour to see the precision behind every thread.
Why Choose HEBEI JIUYUAN Over Competitors?
| Factor | Typical Competitors | HEBEI JIUYUAN |
|---|---|---|
| Price per Unit (3/4 NPT) | $15–$22 (EU/US) | $8.90–$11.50 |
| Lead Time | 8–12 weeks | 3–14 days |
| Customization | Limited, high MOQ | Full OEM/ODM, no tooling fees |
| Documentation | Often missing or delayed | Full MTR, test reports, COO included |
| Shipping Transparency | Hidden fees, delays | DDP option, real-time tracking |
| Warranty | 3–6 months | 24 months, no-questions refund |
We don’t compete on price alone. We compete on reliability, speed, and trust.
Ready to Eliminate Pipe Plug Failures?
Your next 3/4 pipe plug shouldn’t be a gamble. It should be a guarantee.
Get your free sample today — shipped within 24 hours. No credit card. No obligation. Just a real product, tested, certified, and ready for your application.
Or call us now: +86(317)2209363 | WhatsApp: +86 18131702111
© 2026 HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD. All rights reserved. ISO 9001:2015 Certified | Privacy Policy | Terms of Service | Sitemap | Factory Address: Industrial District of North Circle, Mengcun, Cangzhou City, Hebei Province, China
