NPT Black Square Face Male-Female 90° Elbow Pipe Fittings
2.Dual-threaded 90° pipe bend, black malleable iron .
3.Industrial water/gas pipeline redirection fitting .
4.Precision-threaded, NPT/BSPT compatible .
5.High-strength, corrosion-resistant black malleable .
6.Square-edge, male-female secure pipe connection .
7.Industrial-grade 90° dual-thread elbow .
8.Durable black malleable pipeline redirection
Description
NPT Black Square Face Male-Female 90° Elbow Pipe Fittings
When you need a reliable solution for pipeline direction changes, NPT Black Square Face Male-Female 90° Elbow Pipe Fittings convey remarkable execution and flexibility. These specialized flexible press components, too known as road elbows, give a 90-degree alter in pipeline course whereas interfacing channels with distinctive terminations. The male-female arrangement kills the require for halfway areolas, diminishing spill ways and optimizing space effectiveness in your mechanical assemblies.
Our square confront plan offers predominant support at the female outlet, giving a level, heavy-duty surface that upgrades torque grasp amid high-torque establishment. The dark wrap up makes these fittings perfect for steam, gas, and oil applications where strength things most.



Technical Specifications
The fittings are made concurring to strict industry guidelines, guaranteeing reliable quality and execution in your channeling systems.
| Parameter | Specification |
|---|---|
| Material | Malleable Iron (ASTM A197) |
| Thread Type | NPT (National Pipe Taper) |
| Thread Angle | 60° |
| Taper Ratio | 1:16 |
| Pressure Rating | Class 150 (300 psi WOG, 150 psi Steam) |
| Surface Finish | Black Lacquer/Oil Treatment |
| Temperature Range | -20°F to 400°F (-29°C to 204°C) |
| Standards Compliance | ASME B16.3, ANSI B1.20.1 |






Key Features
Our moldable press fittings offer a few points of interest for your channeling applications:
- Space-Saving Plan: Male-female setup diminishes establishment space requirements
- Square Confront Support: Improved basic astuteness and torque engagement
- High-Strength Development: Least 40,000 psi ductile strength
- Corrosion Security: Dark wrap up gives great oxidation resistance
- Precision Threading: Exact NPT strings guarantee leak-proof connections
- Thermal Soundness: Withstands noteworthy temperature cycling without deformation
Dimensions and Specifications Table
| Size (NPT) | A (inches) | B (inches) | C (inches) | Weight (lbs) |
|---|---|---|---|---|
| 1/8" | 0.84 | 0.73 | 1.12 | 0.06 |
| 1/4" | 1.06 | 0.92 | 1.37 | 0.12 |
| 3/8" | 1.19 | 1.00 | 1.50 | 0.18 |
| 1/2" | 1.38 | 1.17 | 1.75 | 0.28 |
| 3/4" | 1.63 | 1.36 | 2.06 | 0.44 |
| 1" | 1.94 | 1.61 | 2.44 | 0.69 |
| 1-1/4" | 2.25 | 1.89 | 2.87 | 1.02 |
| 1-1/2" | 2.56 | 2.14 | 3.25 | 1.41 |
| 2" | 3.19 | 2.66 | 4.00 | 2.38 |
Materials and Surface Treatment
Your fittings are cast from high-grade flexible press, subjected to exact strengthening forms that change over white press to ferritic flexible press. This treatment guarantees great ductility and stun resistance for requesting applications.
The dark surface treatment includes either bituminous coating or oil treatment, giving prevalent erosion assurance amid capacity and transport whereas keeping up compatibility with oil and gas media.






Application Areas
NPT Black Square Face Male-Female 90° Elbow Pipe Fittings excel in various industrial and commercial applications:
- Natural Gas Conveyance: Interfacing gas machines to fundamental lines in restricted spaces
- Steam Warming Frameworks: Kettle retrofits and radiator associations requiring warm cycling resistance
- Compressed Discuss Frameworks: Pneumatic apparatus associations in fabricating environments
- Oil and Gas Pipelines: Low-pressure conveyance systems requiring solid joints
- Industrial Prepare Lines: Chemical and petroleum preparing applications






Installation Instructions
Follow these steps for proper installation:
- Clean all strings altogether some time recently assembly
- Apply suitable string compound or tape to male threads
- Hand-tighten the association until snug
- Use pipe torques to fix 1-3 extra turns
- Do not over-tighten, as this may harm the square face
- Test the framework at working weight some time recently last commissioning
Packaging and Shipping
We bundle your fittings in defensive cartons with satisfactory padding to anticipate harm amid transport. Standard bundling includes:
- Moisture-resistant wrapping
- Size identification labels
- Quantity verification sheets
- Handling instructions
Shipping alternatives incorporate ground cargo, sped up conveyance, and universal shipping to meet your extend timelines.





Quality Control
Our quality administration framework takes after ISO9001 measures with comprehensive testing protocols:
- Dimensional confirmation for all basic measurements
- Pressure testing to surpass evaluated specifications
- Thread gage assessment for legitimate NPT compliance
- Visual assessment for surface wrap up quality
- Material composition examination for ASTM compliance
OEM and Customization Services
We offer customization options to meet your specific requirements:
- Custom thread specifications
- Special surface treatments
- Modified dimensions
- Private labeling
- Custom packaging solutions
Our building group works closely with you to create arrangements that meet your correct specifications.






Frequently Asked Questions
Q: What's the difference between square face and beaded fittings?
A: Square face fittings provide better wrench engagement and higher structural integrity compared to rounded beaded edges.
Q: Can these fittings handle high-pressure applications?
A: These fittings are rated for Class 150 applications (300 psi WOG, 150 psi steam).
Q: Are these fittings suitable for potable water?
A: The black finish is specifically designed for gas, oil, and steam applications, not potable water systems.
Contact Us
Ready to enhance your piping system with reliable NPT Black Square Face Male-Female 90° Elbow Pipe Fittings? Our experienced team is here to help you select the right specifications for your application.
Contact us today at zhiyuan@mifittings.com for technical support, quotes, or custom solutions. We're committed to providing you with superior products and exceptional service for all your pipe fitting needs.
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