For use with backflow preventers, isolation valve for gauges, isolation valves for small equipment lines.
For use with backflow preventers, isolation valve for gauges, isolation valves for small equipment lines.
用于防回流阀，用于仪表的隔离阀，用于小型设备管道的隔离阀。
For use with backflow preventers, isolation valve for gauges, isolation valves for small equipment lines.
用于防回流阀，用于仪表的隔离阀，用于小型设备管道的隔离阀。