What is the minimum length nipple that can be used for a sediment trap on a gas line?

A sediment trap is a crucial component in a gas line system, designed to capture any moisture or debris that might travel through the line, preventing these contaminants from reaching the appliance. The minimum length of the nipple used for this purpose is essential to ensure that the trap functions effectively.

A nipple measuring 3 inches in length is specified as the minimum requirement for a sediment trap. This length allows for adequate capacity to collect sediment and moisture without being too small, which would compromise its effectiveness. A nipple of this size offers enough space for sediment to settle out of the gas flow before it enters the appliance, thereby protecting the system and maintaining safety.

In contrast, shorter lengths may not provide sufficient space for effective sediment collection, thereby increasing the risk of clogging and potential operational issues. It’s a critical detail that technicians need to be aware of when installing or maintaining gas line systems to ensure that they meet safety standards and function properly.