Series415 steam safety valves feature a stainless steel spring, a top guided stem and non-stick Teflon? disc to metal seating to assure positive shutoff.

 
  • 系列415蒸汽安全阀配置不锈钢弹簧,一个顶部引导阀杆和不卡住特氟隆阀瓣对金属阀座密封,确保绝对关闭。
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