304 304l 316 316 321 347h 310s Stainless Steel Pipe Nipple Barrel Nipple Thread Nipple Pipe Fittings
Manufacturer 304 304l 316 316 321 347h 310s Stainless Steel Pipe Nipple Barrel Nipple Thread Nipple Pipe Fittings
►Products description
Our stainless steel barrel nipples are precision-engineered to deliver superior performance in demanding piping systems. Manufactured from high-grade 304/304L/316/316L stainless steel, these essential components feature:
- Dual Male Thread Design: Precision-cut NPT/BSP threads on both ends for secure, leak-proof connections
- Seamless Construction: Cold-drawn from solid bar stock for maximum strength and durability
- Corrosion Resistance: Excellent performance in chemical, marine, and high-purity applications
Manufacturing Superiority:
We maintain industry-leading standards through our advanced production capabilities:
✔ Precision Manufacturing Process:
- CNC machining with ±0.001" tolerance control
- Automated thread rolling for perfect thread form and pitch
- Full material traceability with mill test certificates
✔ Rigorous Quality Assurance:
- 100% dimensional inspection to ANSI/ASME B1.20.1 standards
- Material certification meeting ASTM A276/A479 requirements
- Optional PMI testing and surface finish verification
Our Competitive Advantages:
- Complete Vertical Integration: Controlling production from raw material to finished product
- Rapid Customization: Special sizes and materials available in 5-7 working days
- Global Certifications: ISO 9001:2015, PED, and ASME compliant manufacturing
- Technical Expertise: Dedicated engineering support team
Available Specifications:
- Materials: 304, 304L, 316, 316L, 321, 347, duplex & super duplex stainless steel
- Size Range: 1/8" to 4" NPT/BSP (other thread standards available)
- Pressure Ratings: Schedule 40 through 160
- Special Finishes: Electropolished, passivated, or sandblasted surfaces
- Marking: Permanent laser etching for complete traceability
Trust our stainless steel barrel nipples for critical applications requiring reliable, leak-proof connections. Our products combine superior materials with precision engineering to outperform in the most demanding industrial environments. Contact our technical team today to discuss your specific project requirements and receive customized solutions.
►Product Information
| Place of Origin | Zhejiang, China |
| Technic | Casting |
| Thread | BSPT, BSPP, NPT, PS, DIN |
| Material | 316, 316L, 304, 304L, Carbon |
| Application | Oil, Water, Industrial, Chemical |
| Package | Standard sea worth bundles,Standard Plywood cases |
| Size | 1/8"-32" |
| Surface | Black, Electric Galvanized, Cold Galvanized, Hot. Dipped Galvanized, zinc Plated |
| Brand | Yuhao |
►Products Size
| DN | NPS | OD | Nominal Wall Thickness | ||||||||||
| Schss | Sch10S | Sch405 | Sch8os | Sch10 | Sch20 | Sch30 | STD | Sch40 | Sch60 | XS | |||
| 6 | 1/8 | 10.3 | - | 1.24 | 1.73 | 2.41 | - | - | - | 1.73 | 1.73 | - | 2.41 |
| 8 | 1/4 | 13.7 | 1.65 | 2.24 | 3.02 | - | - | - | 2.24 | 2.24 | - | 3.02 | |
| 10 | 3/8 | 17.1 | - | 1.65 | 2.31 | 3.2 | - | - | - | 2.31 | 2.31 | - | 3.2 |
| 15 | 1/2 | 21.3 | 1.65 | 2.11 | 2.77 | 3.73 | - | - | - | 2.77 | 2.77 | - | 3.73 |
| 20 | 3/4 | 26.7 | 1.65 | 2.11 | 2.87 | 3.91 | - | - | - | 2.87 | 2.87 | - | 3.91 |
| 25 | 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 | - | - | - | 3.38 | 3.38 | - | 4.55 |
| 32 | 1 1/4 | 42.2 | 1.65 | 2.77 | 3.56 | 4.85 | - | - | - | 3.56 | 3.56 | - | 4.85 |
| 40 | 1 1/2 | 48.3 | 1.65 | 2.77 | 3.68 | 5.08 | - | - | - | 3.68 | 3.68 | - | 5.08 |
| 50 | 2 | 60.3 | 1.65 | 2.77 | 3.91 | 5.54 | - | - | - | 3.91 | 3.91 | - | 5.54 |
| 65 | 2 1/2 | 73 | 2.11 | 3.05 | 5.16 | 7.01 | - | - | - | 5.16 | 5.16 | - | 7.01 |
| 80 | 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 | - | - | - | 5.49 | 5.49 | - | 7.62 |
| 90 | 3 1/2 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 | - | - | - | 5.74 | 5.74 | - | 8.08 |
| 100 | 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 | - | - | - | 6.02 | 6.02 | - | 8.56 |
| 125 | 5 | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 | - | - | - | 6.55 | 6.55 | - | 9.53 |
| 150 | 6 | 168.3 | 2.77 | 3.4 | 7.11 | 10.97 | - | - | - | 7.11 | 7.11 | - | 10.97 |
| 200 | 8 | 219.1 | 2.77 | 3.76 | 8.18 | 12.7 | - | 6.35 | 7.04 | 8.18 | 8.18 | 10.31 | 12.7 |
| 250 | 10 | 273 | 3.4 | 4.19 | 9.27 | 12.7 | - | 6.35 | 7.8 | 9.27 | 9.27 | 12.7 | 12.7 |
| 300 | 12 | 323.8 | 3.96 | 4.57 | 9.53 | 12.7 | - | 6.35 | 8.38 | 9.53 | 10.31 | 14.27 | 12.7 |
| 350 | 14 | 355.6 | 3.96 | 4.78 | - | - | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.7 |
| 400 | 16 | 406.4 | 4.19 | 4.78 | - | 6.35 | 7.92 | 9.53 | 9.53 | 12.7 | 16.66 | 12.7 | |
| 450 | 18 | 457 | 4.19 | 4.78 | - | - | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.7 |
| 500 | 20 | 508 | 4.78 | 5.54 | - | - | 6.35 | 9.53 | 12.7 | 9.53 | 15.09 | 20.62 | 12.7 |
►Shot Shoot
►FAQ
Q1: Which payment terms you can accept?
A: We can accept TT,LC,DP,DA,Western Union or Negotiation.
Q2: How do you ensure product quality?
A: We have a dedicated team of experts who rigorously inspect each stage of the production process. Every product undergoes quality testing at our factory before it is shipped.
Q3: Can you reply to messages in a timely manner?
A: Contact us with your detailed inquiry, you will be replied within 6 hours.
Q4: Where is your factory located?
A: Our factory is located in wenzhou City, zhejiang Province,China.
Q5: How is the after-sales service?
A: Quality are promised. If our products are not meet the contract we would like to send free goods to you.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.