NPT Galvanized Non-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 unflanged pipe plug .
8.Durable, corrosion-proof pipeline cap
Description
NPT Galvanized Non-Flanged Pipe Plug Pipe Fittings
When you're looking for reliable pipeline termination solutions, NPT Galvanized Non-Flanged Pipe Plug Pipe Fittings offer the perfect combination of durability and corrosion resistance. These specialized male-threaded components are designed to seal pipeline endpoints in requesting mechanical situations. Our premium fittings include exactness NPT threading that makes secure mechanical seals through obstructions fit innovation. The non-flanged plan gives flush establishment capabilities, making them perfect for space-constrained applications. With hot-dip galvanized coating assurance, these fittings provide remarkable execution over water, oil, and gas systems.
At Shanxi Taigu Zhiyuan Malleable Iron Company, we've been idealizing our casting ability for over 18 a long time. Our progressed fabricating offices create high-quality pipe fittings that meet universal benchmarks and surpass client expectations.



Technical Specifications
Our NPT galvanized pipe plugs are manufactured from premium malleable iron following ASTM A197 standards. The precision NPT threading complies with ANSI/ASME B1.20.1 determinations, including the standard 1/16 inch decrease per inch profile. Each fitting experiences hot-dip galvanization per ASTM A153 guidelines, guaranteeing least zinc coating thickness of 86 microns.
| Specification | Value |
|---|---|
| Material | Malleable Iron (ASTM A197) |
| Thread Standard | NPT (ANSI/ASME B1.20.1) |
| Coating | Hot-Dip Galvanized (ASTM A153) |
| Pressure Rating | Class 150-3000 (varies by size) |
| Temperature Range | -20°F to 350°F (-29°C to 177°C) |
| Tensile Strength | 40,000 psi minimum |
| Yield Strength | 30,000 psi minimum |
| Zinc Coating Thickness | 86+ microns |






Key Features
Superior Erosion Assurance: The hot-dip galvanized coating acts as a conciliatory anode, avoiding rust and expanding benefit life in cruel environments.
Precision Threading: Machined NPT strings guarantee solid fixing and simple establishment with standard pipe fittings.
Space-Efficient Plan: The non-flanged profile permits flush mounting in tight spaces without outside protrusions.
High Quality Development: Moldable press development gives great affect resistance and weight taking care of capabilities.
Versatile Application: Consistent with water, oil, gas, and different mechanical liquid systems.
Dimensions and Specifications Table
| Size (NPT) | Length (inches) | Head Type | Working Pressure (PSI) |
|---|---|---|---|
| 1/8" | 0.5 | Square | 300 |
| 1/4" | 0.6 | Square | 300 |
| 3/8" | 0.7 | Square | 300 |
| 1/2" | 0.8 | Square | 300 |
| 3/4" | 1.0 | Square | 300 |
| 1" | 1.2 | Square | 300 |
| 1-1/4" | 1.4 | Square | 300 |
| 1-1/2" | 1.6 | Square | 300 |
| 2" | 1.8 | Square | 300 |






Materials and Surface Treatment
We utilize premium flexible press that experiences controlled strengthening in our HTL-1 sort normal gas furnaces. This prepare guarantees ideal ductility and quality characteristics. The galvanization handle utilizes high-purity zinc in our ecologically controlled galvanizing heaters, making a metallurgical bond that gives long-lasting erosion protection.
The zinc coating offers self-healing properties, meaning minor scratches won't compromise the overall corrosion resistance. This makes our NPT Galvanized Non-Flanged Pipe Plug Pipe Fittings particularly suitable for outdoor installations and high-moisture environments.
Standards and Certifications
Our items comply with significant industry measures counting ASME B16.14 for ferrous pipe plugs and ISO 9001 quality administration frameworks. We keep up strict quality control all through our generation prepare to guarantee reliable execution and reliability.






Application Areas
Industrial Fire Concealment: Culminate for fixing department line endpoints and assistant channels in sprinkler frameworks, where erosion resistance anticipates framework contamination.
Municipal Water Treatment: Perfect for pump lodging channels and complex terminations where space limitations request non-flanged designs.
Oil and Gas Handling: Fundamental for fixing weight tap ports and testing lines on skid-mounted hardware in challenging environments.
HVAC Frameworks: Solid closure arrangements for warming and cooling framework upkeep ports.
Installation Instructions
Always utilize suitable string sealant such as PTFE tape or pipe dope congruous with galvanized steel. Hand-tighten the plug until cozy, at that point utilize a square attachment torque for last fixing. Maintain a strategic distance from over-tightening to anticipate string harm. Guarantee the mating female strings are clean and free from flotsam and jetsam some time recently installation.
Packaging and Shipping
Our fittings are carefully bundled in moisture-resistant materials to protect the galvanized coating amid transport. We offer adaptable shipping alternatives to meet your extend timelines. With our vital area in Shanxi Province and amazing coordinations organize, we guarantee dependable conveyance worldwide.





Quality Control
Every fitting experiences thorough review counting dimensional confirmation, coating thickness estimation, and weight testing. Our quality group employments progressed testing hardware to keep up our tall guidelines. We review string exactness, coating consistency, and fabric keenness some time recently packaging.
OEM and Customization Services
With our 30,000-ton yearly generation capacity and progressed machining capabilities, we offer custom arrangements for interesting applications. Our designing group can alter measurements, coatings, or materials to meet particular extend necessities. Contact us to examine your custom fittings needs.






Frequently Asked Questions
Q: Do these plugs require thread sealant?
A: Yes, always use PTFE tape or compatible pipe dope to ensure a complete seal and prevent thread galling during installation.
Q: What's the maximum pressure rating?
A: Standard Class 150 plugs handle 300 PSI at ambient temperatures. Higher pressure ratings available for specific applications.
Q: Can I use these in potable water systems?
A: Yes, our galvanization process uses NSF/ANSI 61 compliant materials suitable for drinking water applications.
Contact Us
Ready to enhance your piping systems with reliable NPT Galvanized Non-Flanged Pipe Plug Pipe Fittings? Our experienced team is here to help you select the right solutions for your specific applications.
Email: zhiyuan@mifittings.com
Contact us today for technical specifications, custom quotes, or to discuss your project requirements. We're committed to delivering quality products that exceed your expectations.
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