NPT Male Steel Pipe Nipple Cast Iron Pipe Fitting Gas Pipe Steel Nipples Barrel Nipple
High Quality NPT Male Steel Pipe Nipple Cast Iron Pipe Fitting Gas Pipe Steel Nipples Barrel Nipple
►Products description
Our stainless steel barrel nipples are precision-engineered to deliver secure, leak-proof connections in high-performance piping systems. Manufactured from premium 304/316/316L stainless steel, these essential components provide:
- Dual Threaded Design: Features male NPT/BSP threads on both ends for versatile installation
- Superior Sealing Performance: Precision-cut tapered threads ensure vibration-resistant connections
- Exceptional Durability: Corrosion-resistant construction withstands harsh chemicals and extreme temperatures
- High-Pressure Reliability: Rated for working pressures up to 3000 PSI (size dependent)
Manufacturing Excellence:
We maintain industry-leading standards through our advanced production capabilities:
✔ Precision Manufacturing Process:
- CNC thread rolling with ±0.001" tolerance control
- Automated surface finishing for optimal sealing surfaces
- Full material traceability with certified mill test reports
✔ Rigorous Quality Assurance:
- 100% dimensional verification to ANSI/ASME B1.20.1 standards
- Material certification meeting ASTM A276/A479 requirements
- Optional PMI testing and surface inspection services
Our Competitive Advantages:
- Complete Vertical Integration: End-to-end control from raw material sourcing to finished product
- Rapid Customization: Special sizes and materials available in 5-7 working days
- Global Certifications: ISO 9001:2015, PED 2014/68/EU, and ASME compliant
- 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: Class 150 to 2500
- Surface Finishes: Plain, electropolished, or passivated options
- Permanent Marking: Laser-etched for complete traceability
Why Choose Our Barrel Nipples?
- Superior Thread Quality: Precision-cut threads ensure perfect engagement every time
- Material Integrity: Only certified stainless steel materials used
- Consistent Performance: Rigorous quality control guarantees reliability
- Technical Support: Expert guidance for proper selection and installation
Trust our stainless steel barrel nipples for critical connections where reliability and performance cannot be compromised. Our products are engineered to exceed expectations in the most demanding industrial environments, offering unmatched quality and installation flexibility. Contact our technical team today to discuss your specific application requirements.
►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: Can you provide the free samples?
A: We can supply the free samples but the sample express freight need paid by yourside.
Q2: What about your delivery time if we placed order?
A: We have large of ready stock,in general we can delivery within 2-10days.
Q3: Which payment terms you can accept?
A: We can accept TT,LC,DP,DA,Western Union or Negotiation.
Q4: 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.
Q5: Can you reply to messages in a timely manner?
A: Contact us with your detailed inquiry, you will be replied within 6 hours.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


