NPT Galvanized Flanged Pipe Plug Pipe Fittings
2.Threaded pipe seal, corrosion-resistant .
3.Industrial water/gas pipeline closure .
4.Hot-dipped galvanized, precision-threaded .
5.High-strength, anti-rust malleable iron .
6.NPT/BSPT compatible, secure sealing .
7.Industrial-grade flanged pipe plug .
8.Durable, corrosion-proof pipeline closure
Description
NPT Galvanized Flanged Pipe Plug Pipe Fittings - Professional Solution for Pipeline Closure
When you need reliable pipeline closure for your industrial applications, NPT Galvanized Flanged Pipe Plug Pipe Fittings deliver the performance you demand. These specialized fittings give conclusive closure for open pipe closes in strung frameworks. You get predominant erosion resistance and secure fixing in one strong component. Our flanged plan highlights a hex head with necessarily collar for high-torque establishment. The hot-dip galvanized coating ensures against erosion whereas guaranteeing long-lasting execution. These plugs illuminate basic challenges in your channeling systems.



Technical Specifications
Our galvanized flanged pipe plugs meet the most elevated industry guidelines. You advantage from accuracy designing and quality fabricating. Each fitting experiences strict quality control to guarantee steady performance.
Core Specifications:
- Thread Standard: NPT (60° thread angle) with ¾ inch per foot taper
- Material: Premium malleable iron (ASTM A197)
- Surface Treatment: Hot-dip galvanization (ASTM A153)
- Pressure Rating: Class 150 (300 psi WOG) to Class 300
- Temperature Range: -20°F to 350°F (-29°C to 177°C)
- Coating Thickness: Minimum 86 microns average






Key Features
You get different points of interest with our galvanized flanged pipe plugs:
- Sacrificial Assurance: Zinc coating erodes some time recently base metal, expanding benefit life 20-50 years
- High Torque Resistance: Flanged plan avoids corner adjusting amid installation
- Leak-Tight Fixing: NPT decrease makes obstructions fit for secure closure
- Corrosion Resistance: Hot-dip galvanization gives prevalent protection
- Easy Establishment: Hex head plan permits legitimate torque engagement
- Dimensional Exactness: Exactness machining guarantees reliable threading
Dimensions and Specifications Table
| Size (NPT) | Thread Length (in) | Hex Size (in) | Overall Length (in) | Weight (lbs) |
|---|---|---|---|---|
| 1/8 | 0.40 | 7/16 | 0.50 | 0.02 |
| 1/4 | 0.54 | 1/2 | 0.65 | 0.04 |
| 3/8 | 0.58 | 9/16 | 0.70 | 0.06 |
| 1/2 | 0.71 | 3/4 | 0.85 | 0.10 |
| 3/4 | 0.75 | 15/16 | 0.90 | 0.18 |
| 1 | 0.84 | 1-1/4 | 1.00 | 0.28 |
| 1-1/4 | 0.92 | 1-5/8 | 1.10 | 0.45 |
| 1-1/2 | 0.95 | 1-7/8 | 1.15 | 0.65 |
| 2 | 1.04 | 2-3/8 | 1.25 | 1.10 |






Materials and Surface Treatment
You get premium materials and progressed surface treatment. We utilize high-grade pliable press that gives amazing quality and ductility. The hot-dip galvanization prepare makes a metallurgical bond between zinc and base metal. This conciliatory coating secures your speculation for decades.
Our moldable press offers least malleable quality of 40,000 psi. You get prevalent execution compared to standard cast press options. The zinc coating thickness surpasses industry measures for most extreme protection.
Standards and Certifications
Our fabricating takes after strict worldwide standards:
- ANSI/ASME B1.20.1 (NPT Threading)
- ASTM A197 (Malleable Iron Castings)
- ASTM A153 (Hot-Dip Galvanizing)
- ASME B16.14 (Ferrous Pipe Plugs)
- ISO 9001 Quality Management System






Application Areas
NPT Galvanized Flanged Pipe Plug Pipe Fittings serve critical roles across industries:
Fire Concealment Frameworks: End-of-line closures in sprinkler systems keep up framework weight whereas standing up to stagnant water corrosion.
HVAC Applications: Cap deplete valves and dregs traps in warming frameworks. Handle warm cycling and condensate introduction effectively.
Industrial Handling: Secure closure for support ports in chemical preparing lines. Stand up to forceful chemicals and high-pressure conditions.
Water Treatment: Basic components in filtration frameworks and dispersion systems. Give dependable fixing in requesting environments.
Installation Instructions
Proper establishment guarantees ideal performance:
- Clean strings altogether some time recently installation
- Apply fitting string sealant or tape
- Hand-tighten until snug
- Use appropriate torque on hex head for last tightening
- Avoid over-tightening which may harm threads
- Verify no spillage after framework pressurization
Packaging and Shipping
We secure your arrange with proficient bundling. Each fitting gets person security against harm amid transport. Bulk orders utilize fortified holders for secure conveyance. You get your arrange in culminate condition prepared for installation.





Quality Control
Our ISO 9001 certified quality framework guarantees steady greatness. Each clump experiences dimensional review and coating thickness testing. You get fittings that meet determinations each time. Our 26 a long time of fabricating encounter ensures solid quality.
OEM and Customization Services
Need custom determinations? We offer comprehensive customization administrations. Our building group works with you to create arrangements for one of a kind applications. From uncommon threading to custom coatings, we provide what you need.
With 30,000 tons yearly generation capacity and over 1,000 item determinations, we handle ventures of any measure. Our 50,000 square meter office and 500+ workers guarantee dependable generation schedules.






Frequently Asked Questions
Q: How long do galvanized pipe plugs last?
A: With proper installation, our galvanized plugs provide 20-50 years of service in typical environments.
Q: Can these plugs handle high pressure applications?
A: Yes, our fittings are rated for Class 150 to Class 300 pressure applications.
Q: What thread sealant should I use?
A: We recommend pipe thread compound or PTFE tape designed for your specific application and pressure rating.
Q: Are custom sizes available?
A: Yes, we offer customization services for special applications and non-standard sizes.
Contact Us
Ready to order or need technical assistance? Our experienced team provides expert support for your project requirements. We help you select the right NPT Galvanized Flanged Pipe Plug Pipe Fittings for your specific application.
Contact us today at zhiyuan@mifittings.com for quotes, technical specifications, or custom solutions. Experience the quality and reliability that comes from 26 years of pipe fitting expertise.
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