In summary, the core advantages of brass valve stem nuts are:
Excellent anti seize performance: forms an ideal dissimilar metal friction pair with the stainless steel valve stem, avoiding cold welding jamming.
Good self-lubricating and wear-resistant properties: reduces friction, extends lifespan, and is easy to operate.
Sufficient corrosion resistance: suitable for common valve working environments.
Soft protection hard: prioritize wear and tear on nuts for easy maintenance and replacement.
Good processability and cost-effectiveness: easy to manufacture, economical and practical.

Although higher grade materials such as nickel based alloys and special bronze may be used in high parameter (high temperature, high pressure, strong corrosion) valves, brass, with its excellent comprehensive performance (especially anti seize and self-lubricating), has become the ideal preferred material for valve stem nuts of frequently operated valves such as gate valves and shut-off valves under most conventional operating conditions.