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- Fittings /
- Tube Fittings /
- Threaded Tube Fittings
Product Description




Welcome to AF Hydro!
AF Hydro is an one-stop destination for low pressure valves and fittings. Established in 2016, we strive to deliver top-notch products to our clients. A wide selection of high-quality products are available and designed to ensure seamless flow and efficiency in your operations.
Class 150 Fitting SS316 - Full Coupling NPT Thread
Class 150 or #150 fittings are alternatively referred to as low-pressure fittings, manufactured according to ASTM A351 standard and serve purposes such as pipe connections, directional alteration, and regulation of low-pressure fluids and gases, with a maximum operational pressure of 150 PSI. These fittings can be applied in industries such as ships building, plumbing and fire protection. A full coupling or known as pipe coupling act as a connector between small bore pipe to extend pipelines.
- Applied to extend pipeline.
- Made of stainless steel 316 material that ensure corrosion resistance.
- Compatible across various industry.
- Pressure rating up to 150 PSI.
- Commonly applied in low pressure applications.

To install the full coupling, kindly refer to the steps below;
1. Wrap the male fitting with Teflon tape or plumber's tape to create a more secure seal to avoid leakage.
2. Ensure that the female threads of the full coupling engage properly with the male threads of the pipes.
3. Properly position the coupling to align with the system requirements and hand-tighten the coupling initially, and then use a wrench to tighten it
4. Check for any signs of leaks or irregularities.
Product Specifications
Product Type | Class 150 Full Coupling |
Connection Type | 2 NPT Threaded ends |
Size Range | 1/8” to 4” |
Material | Made of Stainless Steel SS316 grade with excellent corrosion resistance in environments with high exposure to moisture. |
Working Pressure | Maximum working pressure of 150 PSI. |
Usage | To connect and extend pipeline. |
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