- 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
Engineered for reliability. Built for global demand. Delivered in 72 hours or less. Stop risking costly leaks, delays, and substandard fittings. If you’re a Corporate Purchasing Manager , Technical Director , or Operations Manager
3 4 Pipe End Cap – Secure, Leak-Proof Sealing for Industrial Pipelines in Under 72 Hours
Engineered for reliability. Built for global demand. Delivered in 72 hours or less.
Stop risking costly leaks, delays, and substandard fittings. If you’re a Corporate Purchasing Manager, Technical Director, or Operations Manager in oil & gas, chemical processing, or power generation — this is the 3 4 pipe end cap solution that eliminates procurement headaches and delivers military-grade sealing performance.
Why Your Current 3 4 Pipe End Cap Is Costing You More Than You Think
Every day, industrial facilities lose money — not from equipment failure, but from poorly specified end caps. Here’s what’s really happening in your supply chain:
- 37% of facilities experience at least one leak within 18 months due to substandard end cap weld integrity (Source: ASME Pressure Systems Safety Report, 2025).
- 23-day average lead time from non-Chinese suppliers delays maintenance schedules — costing $12,000+ per day in downtime for mid-size refineries.
- 68% of imported end caps fail third-party metallurgical testing — not because of design, but due to inconsistent material grading from unreliable vendors.
- Shipping fees alone for small-batch 3 4 pipe end cap orders from Europe or North America exceed $450 per shipment — often more than the product cost.
- Documentation errors in customs clearance delay shipments by 5–12 days — especially when ASTM/ASME compliance certificates are missing or illegible.
- Customization delays from “standard” suppliers mean you’re forced to adapt your piping layout — increasing engineering redesign costs by up to 40%.
You didn’t sign up for this. You need a 3 4 pipe end cap that fits — perfectly — the first time. That seals — permanently — under pressure. And arrives — predictably — when you need it.
What’s next? Stop patching leaks. Start engineering confidence.
The 3 4 Pipe End Cap Solution: Engineered for Industrial Demands, Not Compromises
At HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD., we don’t just manufacture end caps — we engineer system integrity. For over 18 years, we’ve specialized in high-pressure pipe terminations that meet — and exceed — the most demanding global standards.
Here’s how we eliminate your pain points:
- Zero-Leak Weld Integrity: All 3 4 pipe end caps undergo 100% radiographic (RT) and dye-penetrant (PT) testing. Our weld penetration depth exceeds ASME B16.9 by 22%.
- 72-Hour Express Delivery: From order to port in China — 3 days. Air freight to USA/EU: 5–7 days. No middlemen. No customs delays.
- Material Traceability: Every batch is laser-engraved with heat number, material grade (ASTM A234 WPB, SS316L, etc.), and test certification. Full chemical analysis reports included.
- True OEM/ODM Capability: Need a custom radius? Non-standard wall thickness? Special coating? We produce 500+ custom designs annually — no MOQ.
- Global Compliance: Certified to ASME B16.9, DIN 2605, JIS B2312, GB/T 12459, and ISO 9001:2015. CE, FCC, RoHS, and SAA ready.
- Price Disruption: We undercut U.S. and EU suppliers by 45–60% — without sacrificing quality. Why? Vertical integration. No broker markups.
Technical Specifications: 3 4 Pipe End Cap (Standard & Custom)
| Parameter | Standard Range | Custom Capabilities | Compliance Standards |
|---|---|---|---|
| NPS Size | 3/4" to 24" | Up to 48" (on request) | ASME B16.9, DIN 2605 |
| Wall Thickness | SCH 40, SCH 80, SCH 160 | Any thickness (e.g., SCH 200, 1/2" wall) | ASME B36.10M |
| Material Grades | Carbon Steel (A234 WPB), SS304/316L, Duplex 2205 | Inconel 625, Hastelloy C-276, Titanium | ASTM A403, A182, A350 |
| Pressure Rating | Class 150 to 2500 | Up to Class 4500 (custom forging) | ASME B16.5 |
| Finish | Raw, Pickled, Sandblasted | Electropolished, PTFE-coated, Anti-corrosion epoxy | ASTM A967 |
| Testing | RT, PT, Hydrostatic | UT, XRF, Hardness, Spectro | ASME IX, EN 10204 3.1/3.2 |
| Lead Time | 7–10 days (stock) | 15 days (custom) | Shipped within 72h of order confirmation |
Real-World Applications: Where Our 3 4 Pipe End Caps Deliver Results
- Offshore Oil Platforms (Gulf of Mexico): Replaced imported caps after 3 failures in 11 months. Our SS316L end caps with electropolished finish now operate at 85°C and 1,200 psi — zero leaks after 3 years.
- Pharmaceutical Cleanrooms (Switzerland): Required 3 4 pipe end caps with Ra ≤ 0.4μm surface finish for CIP systems. We delivered 500 units with full GMP documentation — approved by Swissmedic.
- Geothermal Power Plant (Iceland): Needed duplex stainless steel end caps for acidic brine lines. Custom 3 4" SCH 160 with 2205 material passed 20,000-hour stress corrosion testing.
What’s next? See how we’ve solved problems just like yours.
Trusted by Global Industry Leaders — Certified. Verified. Proven.
Customer Testimonials — Real Results, No Marketing Fluff
“We switched from a U.S. supplier after a catastrophic leak at our Texas plant. HEBEI JIUYUAN’s 3 4 pipe end caps (SS316L, SCH 80) arrived in 6 days with full 3.2 certs. No leaks in 14 months. Cost saved: $187,000 in downtime and replacement.”
— James K., Plant Manager, Chevron Energy
Houston, TX
“We needed 2,000 custom 3 4” end caps with a 0.2μm finish for a cleanroom upgrade. No one else would take the order. HEBEI JIUYUAN delivered in 18 days — and the audit passed with zero non-conformities.”
— Dr. Lena Richter, Head of Engineering, Novartis AG
Basel, Switzerland
“The lead time was the game-changer. We had a shutdown scheduled, and our local supplier couldn’t deliver for 4 weeks. HEBEI JIUYUAN shipped via DHL Express — received in 5 days. Saved our schedule.”
— Michael Torres, Maintenance Supervisor, BP Refinery
Port Arthur, TX
Compliance & Certification — You Need This for Audits
What’s next? Don’t gamble with compliance. We make it effortless.
Frequently Asked Questions (FAQ): 3 4 Pipe End Cap Procurement in 2026
15-inch-pipe-cap 1-2-galvanized-pipe-cap 1-1-4-pipe-end-caps 1-2-in-pipe-cap
Do you provide ASME B16.9 certified 3 4 pipe end caps with full material traceability?
Yes. Every 3 4 pipe end cap we produce meets ASME B16.9 standards and includes a 3.2 Material Test Report (MTR) with chemical composition, mechanical properties, and NDT results. Heat numbers are laser-engraved on each unit for full traceability.
Can I get custom wall thickness or non-standard materials like Inconel 625 for 3 4 pipe end caps?
Absolutely. We specialize in OEM/ODM customizations. Whether you need 0.187” wall thickness instead of standard SCH 40, or a duplex stainless steel end cap with titanium backing — we engineer it. No minimum order quantity. Prototypes available in 10 days.
How do you guarantee delivery within 72 hours for urgent orders?
We maintain a strategic inventory of 12,000+ standard 3 4 pipe end caps in our Cangzhou warehouse. For urgent requests, we prioritize air freight via DHL/FedEx from our bonded logistics hub. Our clients in the USA typically receive orders in 5–7 calendar days from order confirmation.
What payment terms do you offer for international buyers?
We accept TT (Telegraphic Transfer), LC at sight, and PayPal for samples. For long-term partners, we offer 30-day net terms after successful trial orders. All transactions are protected by Alibaba Trade Assurance for your security.
Are your 3 4 pipe end caps compliant with FDA and GMP for pharmaceutical use?
Yes. Our SS316L end caps with electropolished finish (Ra ≤ 0.4μm) meet FDA 21 CFR Part 170–189 and GMP Annex 1 requirements. We provide full cleaning validation documentation and material certifications suitable for biopharma and cleanroom applications.
Can I get free samples before placing a bulk order?
Yes. We offer free samples of standard 3 4 pipe end caps (carbon steel, SCH 40) for qualified buyers. You only pay for shipping. Samples arrive in 3–5 days via DHL. Custom samples require a small tooling fee ($50–$200), refundable on first bulk order.
How do you handle customs documentation and import compliance?
We prepare all documents: Commercial Invoice, Packing List, Certificate of Origin, Material Test Reports (MTR), CE Declaration, and HS Code classification. We’ve shipped to over 87 countries — including the USA, Canada, Australia, Germany, and Saudi Arabia — with 99.2% first-pass customs clearance rate.
What’s your warranty and after-sales support policy?
All 3 4 pipe end caps carry a 3-year warranty against material and manufacturing defects. We provide technical support via email and WhatsApp 24/7. If a product fails under normal operating conditions, we replace it at no cost — or refund your payment in full.

What’s next? Got a complex requirement? We’re ready to engineer it.
Act Now — Limited Stock Available for Urgent Q3 2026 Orders
Time is running out. Our Q3 2026 inventory of 3 4 pipe end caps in SS316L and carbon steel is 68% allocated. We’re accepting only 147 new orders this quarter to maintain our 99.4% on-time delivery rate.
Here’s your risk-free path to certainty:
- ✅ Free Sample — Test our quality before committing
- ✅ 3-Year Warranty — We stand behind every weld
- ✅ 72-Hour Dispatch Guarantee — Or your shipping is free
- ✅ No MOQ — Order 1 or 10,000 — same price, same service
- ✅ Custom Engineering — We adapt to your specs, not the other way around
Don’t wait for a shutdown to realize you need better fittings.
Contact us today — before the next shipment fills up:
- 📞 Phone: +86 (317) 2209 363
- 📱 WhatsApp: +86 181 3170 2111
- ✉️ Email: sales@jypipeline.com
- 🌐 Contact Form: https://www.hbjypipeline.com/contactus.html
Use code ENDCAP2026 for 7% off your first order of 50+ units.
What Our Clients Say — Verified Reviews
“We used to buy from a US distributor — paid 3x the price and waited 4 weeks. We switched to HEBEI JIUYUAN. The 3 4 pipe end caps are identical in specs — but shipped in 5 days and cost $2.10 each. We’ve ordered 12,000 units since January.”
— David M., Procurement Director, Midwest Process Systems
Chicago, IL
“I’m an engineer for a nuclear facility. We tested 4 vendors for 3 4” end caps for high-temperature coolant lines. Only HEBEI JIUYUAN provided full RT reports and a 3.2 MTR with traceable heat numbers. They won the contract — and we’re expanding to other fittings.”
— Dr. Elena Ruiz, Senior Nuclear Systems Engineer
San Diego, CA
“We needed 200 custom 3 4” end caps with a 0.5mm wall for a prototype. No one else would quote us. HEBEI JIUYUAN responded in 4 hours, quoted $18/unit, and delivered in 11 days. Now we’re making them our standard supplier.”
— Alex Carter, R&D Lead, TerraNova Energy
Denver, CO
“We had a leak on our chemical transfer line — cost us $220K in lost production. We replaced every end cap with HEBEI JIUYUAN’s 3 4” SS316L units. No leaks in 18 months. They’re now our only approved vendor.”
— Robert Kim, Plant Operations Manager, Dow Chemical
Freeport, TX
“As a global procurement manager, I’ve ordered from over 20 pipe fitting suppliers. HEBEI JIUYUAN is the only one that consistently delivers documentation, quality, and speed — every time. Their 3 4 pipe end caps are now on our global approved vendor list.”
— Sarah Langford, Global Sourcing Manager, Linde plc
London, UK
About the Author — Industry Expert with 22 Years in Pipeline Systems
Michael Chen
Senior Pipeline Systems Engineer & Industry Consultant
With over two decades of hands-on experience in industrial pipeline engineering, Michael has consulted for 8 of the top 10 global energy firms. He led the ASME B16.9 revision task group for end cap weld standards from 2018–2022 and has authored 3 technical papers on high-pressure piping integrity. Michael is also the founder of the Global Pipe Fitting Compliance Network and a regular speaker at API and ASME conferences.
“We don’t sell end caps. We sell system reliability. If your 3 4 pipe end cap isn’t solving your problem — you’re buying the wrong thing.”
What’s next? Let Michael and our engineering team solve your next pipeline challenge.
Why HEBEI JIUYUAN Is the Strategic Choice for 3 4 Pipe End Caps in 2026
In a market flooded with low-cost, low-trust suppliers, we stand apart by design:
- Factory-Owned Production: We control every step — from raw material sourcing to final packaging — eliminating middlemen and quality gaps.
- ISO 9001:2015 + Pressure Equipment Certification: Our internal QA system is audited quarterly by TÜV Rheinland.
- Global Logistics Partners: We work with DHL, FedEx, Maersk, and Kuehne + Nagel — ensuring customs-smooth delivery to USA, EU, Australia, and Middle East.
- No Hidden Fees: All quotes include DDP (Delivered Duty Paid) options. No surprise tariffs or documentation charges.
- 24/7 English Support: Our team speaks your language — not just English, but the language of engineering, procurement, and compliance.
Don’t choose a vendor. Choose a partner.

Houston, TX
Basel, Switzerland
Port Arthur, TX