The manufacturer of all PVC or CPVC bleach ball valves must complete all components prior to the factory assembly, test, and packaging of those valves. Modification of assembled valves by any manufacturer or vendor is unacceptable. Also, the valves must be individually packaged with each carton label stating: Bleach ball valve, size, material, and manufacturer.
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Also, the valves must be individually packaged with each carton label stating: Bleach ball valve, size, material, and manufacturer.
此外，阀门必须单独包装，每个纸箱标签注明：漂白剂球阀，通径，材料和制造商。
When a ball valve is closed in periods of inactivity, the bleach will decompose over time liberating oxygen gas.
当球阀在不工作期间关闭，经过一段时间，漂白剂将分解并释放出氧气。
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