Bronze Ball Valve

A bronze ball valve is a compact quarter-turn rotary isolation valve cast from durable copper-tin-zinc bronze alloys (such as ASTM B62 or B61), engineered specifically for low-to-medium pressure marine, potable water, and industrial utility services. The cast bronze body inherently resists dezincification, pitting, and marine biofouling, while its floating solid ball seating against resilient PTFE seats delivers a low-torque, bubble-tight seal under bi-directional flow. Conforming to standards such as MSS SP-110, ASME B16.34, and NSF/ANSI 61 (for lead-free drinking water), these corrosion-resistant valves are primary specifications in shipboard cooling lines, municipal water distribution, and commercial plumbing headers, allowing mechanical contractors and marine builders to secure long-term system reliability by importing certified bronze ball valves directly from premier manufacturers in China via our advanced B2B commercial platform.