NPT Black Malleable Iron Tee Pipe Fittings
2.Black malleable iron tee, NPT/BSPT universal fit .
3.NPT/BSPT tee, malleable iron, pressure-resistant .
4.Black malleable iron tee, NPT/BSPT, easy install .
5.NPT/BSPT tee, black malleable iron, anti-corrosion .
6.Malleable iron tee, NPT/BSPT, high durability .
7.NPT/BSPT dual spec, black malleable iron tee .
8.Black tee, NPT/BSPT, malleable iron for pipes
Description
NPT Black Malleable Iron Tee Pipe Fittings
When you need reliable pipe connections for your industrial applications, NPT Black Malleable Iron Tee Pipe Fittings convey the culminate arrangement. These specialized T-shaped components are made from premium flexible press through our progressed toughening handle, changing delicate cast press into solid, shock-resistant fittings. Our product feature exactness National Pipe Decrease strings and a defensive dark wrap up, making them perfect for steam, gas, and oil frameworks where unwavering quality things most.
At Shanxi Taigu Zhiyuan Malleable Iron Company, we've been idealizing these fittings for over 18 a long time. You'll appreciate how our fabricating ability guarantees each fitting meets the most noteworthy quality guidelines whereas giving cost-effective execution in requesting environments.



Technical Specifications
| Parameter | Specification |
|---|---|
| Material Standard | ASTM A197/A197M |
| Minimum Tensile Strength | 40,000 psi (275 MPa) |
| Minimum Yield Strength | 30,000 psi (205 MPa) |
| Thread Type | National Pipe Taper (NPT) |
| Thread Angle | 60-degree flank angle |
| Taper Rate | 1°47' (0.75 in/ft) |
| Operating Temperature | -20°F to 350°F (-29°C to 177°C) |
| Pressure Rating | Class 150 & Class 300 |
| Surface Finish | Black iron oxide/lacquer coating |
| Dimensional Standard | ASME B16.3 |






Key Features
Superior Solidness: Our pliable press development gives extraordinary resistance to warm stun and mechanical vibration compared to standard gray cast iron.
Precision Threading: Each fitting highlights precisely machined NPT strings that make leak-tight seals when legitimately introduced with suitable sealants.
Versatile Plan: The 90-degree branching setup permits you to effectively divert stream in complex channeling systems.
Cost-Effective Arrangement: You get produced steel execution at a division of the fetched, idealize for budget-conscious projects.
Enhanced Security: The dark wrap up disposes of zinc chipping concerns common in galvanized fittings, ensuring your framework components.
Dimensions and Specifications
| Size (NPT) | A (inches) | B (inches) | C (inches) | Weight (lbs) |
|---|---|---|---|---|
| 1/8" | 1.00 | 0.81 | 0.81 | 0.08 |
| 1/4" | 1.19 | 0.94 | 0.94 | 0.12 |
| 3/8" | 1.31 | 1.00 | 1.00 | 0.16 |
| 1/2" | 1.50 | 1.19 | 1.19 | 0.25 |
| 3/4" | 1.75 | 1.38 | 1.38 | 0.38 |
| 1" | 2.00 | 1.63 | 1.63 | 0.56 |
| 1-1/4" | 2.44 | 1.94 | 1.94 | 0.88 |
| 1-1/2" | 2.75 | 2.25 | 2.25 | 1.25 |
| 2" | 3.25 | 2.75 | 2.75 | 2.00 |






Materials and Surface Treatments
Our dark pliable press tee fittings experience a specialized warm treatment handle that changes the iron's microstructure. This tempering handle changes over fragile white press into bendable fabric with prevalent mechanical properties.
The dark wrap up comprises of a defensive press oxide or finish coating. This surface treatment gives fabulous erosion resistance amid capacity and transport whereas serving as an perfect base for hydrocarbon applications where galvanized coatings might meddled with framework performance.
Standards and Certifications
All our fittings comply with these industry standards:
- ASTM A197 for material specifications
- ASME B16.3 for dimensional requirements
- ANSI/ASME B1.20.1 for NPT threading
- ISO9001 quality management system certification






Applications
Industrial Steam Frameworks: Idealize for area warming and evaporator applications where warm cycling requests predominant durability.
Natural Gas Dissemination: Broadly utilized in commercial and private gas channeling where the dark wrap up avoids coating defilement of gas regulators.
Fire Assurance Frameworks: Perfect for dry sprinkler frameworks requiring high-strength, code-compliant components.
Oil and Petroleum Lines: Excellent for hydrocarbon applications where galvanized coatings are unsuitable.
Compressed Discuss Frameworks: Gives solid execution in pneumatic applications with vibration resistance.
Installation Instructions
- Preparation: Clean all string surfaces completely and assess for damage.
- Sealant Application: Apply fitting pipe string compound or PTFE tape to male strings only.
- Assembly: Hand-tighten the fitting until cozy, at that point utilize pipe torques to accomplish last tightness.
- Torque Rules: Dodge over-tightening, which can harm strings or split the fitting body.
- Testing: Weight test the framework concurring to appropriate codes some time recently putting into service.
Packaging and Shipping
We carefully bundle each fitting to avoid harm amid transport. Standard bundling incorporates defensive caps on strung closes and moisture-resistant wrapping. Bulk orders dispatch in durable wooden cases with point by point pressing lists.
Our strategic location in Shanxi Province gives helpful get to to major transportation systems, guaranteeing incite conveyance to your extend sites.





Quality Control
Every NPT Black Malleable Iron Tee Pipe Fittings experiences thorough assessment some time recently shipping. Our quality control handle incorporates dimensional confirmation, string gaging, weight testing, and visual assessment of the dark wrap up coating.
With our 30,000-ton yearly generation capacity and 156 sets of exactness machining hardware, we keep up reliable quality over all item lines.
OEM and Customization Services
We welcome custom determinations and private labeling openings. Our experienced building group can alter measurements, threading, or surface medications to meet your particular necessities. Contact us to examine your custom pliable press fitting needs.






FAQ
Q: What's the difference between black and galvanized malleable iron fittings?
A: Black fittings feature an iron oxide coating suitable for gas and oil applications, while galvanized fittings have zinc coating for water systems.
Q: Can these fittings handle high-pressure applications?
A: Yes, our fittings are available in Class 150 and Class 300 pressure ratings for various system requirements.
Q: What thread sealant should I use?
A: Use pipe thread compound for gas applications and either compound or PTFE tape for other fluids.
Contact Us
Ready to order your NPT Black Malleable Iron Tee Pipe Fittings? Our experienced sales team is here to help you select the right specifications for your project. We offer competitive pricing, fast delivery, and technical support.
Email us at zhiyuan@mifittings.com for quotes, technical specifications, or any questions about our malleable iron fittings. We look forward to serving your piping system needs with quality products backed by our decades of manufacturing expertise.
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