Line Stop Weld on Fittings - FAQ

When would I use a weld on fitting instead of a bolt on fitting?

There are many reasons why a weld on fitting would be used instead of a bolt on fitting. First and foremost is cost if the application allows welding. Secondly is temperature or psi requirements. Normally weld on fittings can take a higher PSI and temperature.

Which type of weld on fitting do I need?

Which style of weld on fitting you need may depend largely on the code requirements in your area. For instance, some areas have codes which prohibit vertical welds onto the existing pipe, so those styles would not be acceptable, yet other areas have codes that require a full circle body. It really depends on what is allowed or disallowed in that area.

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