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In underfloor heating systems, stainless steel manifolds manage the main pipelines, while ordinary manifolds manage branch pipelines.

Brass manifolds have limited performance and load-bearing capacity, so avoid excessive use.

Brass manifolds are typically not made of pure brass.

Stainless steel ball valves are like door hinges; prolonged inactivity can easily lead to rust and jamming.

Ball valve maintenance is typically performed annually, focusing on checking seal wear, stem lubrication, and actuator flexibility.

Soft-seal ball valves achieve zero leakage through elastic deformation of the valve seat, but their temperature resistance is limited (typically ≤200℃

A ball valve mainly consists of a valve body, ball, seat, stem, actuator (manual/electric/pneumatic), and seals.

Because the valve core of a hard-seal ball valve is made of alloy steel by spray welding, and the sealing ring is made of alloy steel by overlay weldi