Key Considerations for Screwed Pipe Fittings

When selecting or buying screwed pipe fittings, there are several key considerations to keep in mind:

1. Material: Choose a material that is compatible with the fluid being transported and suitable for the operating conditions. Common materials include stainless steel, brass, and carbon steel.

2. Size: Ensure that the fittings are the correct size to fit the pipes being connected. Sizes are typically expressed in nominal pipe sizes (NPS) or in metric measurements.

3. Pressure rating: Check the pressure rating of the fittings to ensure they can withstand the intended operating pressure of the system.

4. Thread type: Screwed pipe fittings use tapered threads such as NPT (National Pipe Taper) or BSPT (British Standard Pipe Taper). Make sure you select fittings with matching thread types to ensure a proper seal.

5. Application: Consider the specific application and environment where the fittings will be used. For example, if the fittings will be exposed to corrosive chemicals, choose corrosion-resistant materials.

6. Standards compliance: Look for fittings that meet relevant industry standards and certifications, such as ASTM, ASME, or ISO standards, to ensure quality and performance.

7. Brand reputation: Choose fittings from reputable manufacturers known for producing high-quality products and providing reliable customer support.

By taking these key considerations into account, you can select the right screwed pipe fittings for your specific requirements and ensure the efficiency and safety of your piping system.