In gas line installations, what material is typically required for a sediment trap?

In gas line installations, a sediment trap is typically required to be made of steel. This choice is correct because steel is robust, durable, and able to withstand the pressures typically found in gas systems. Sediment traps serve to collect any debris or moisture that might accumulate in the gas line, ensuring that the gas delivery to appliances remains clear and unobstructed.

Steel also has the advantage of being a non-combustible material, which provides added safety in gas installations. This characteristic is essential because any building materials used in gas systems must ensure that they do not contribute to fire hazards. Given these qualities, steel is the preferred material for sediment traps, aligning with industry standards and safety regulations.

Other materials such as plastic, brass, and copper may not be suitable due to issues like chemical compatibility, lack of resilience under high pressure, or other restrictions imposed by gas codes. For example, plastic may not hold up well in high-temperature environments often found in gas installations, and brass and copper might be unsuitable due to potential corrosion or reactions with gas. Thus, steel is the material of choice for achieving both safety and reliability in sediment trap applications.