自力式流量控制阀只依据流量大小"肓目"控制压力，如果安装回水管上，不待手动调整压力，已经出现压力破坏事故。自力阀安装在供水未手动调整压力时，可能出现运行倒空而影响供热效果，不可能发生事故。
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AM22101A,AM22101A-G24,AM22101A-R230
S T6C 005 1R02 B1
S T6C 005 1R03 B1DBB/50
DBB/50
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DBB/100
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Z2FS6-30B/ Z2FS10-20B/
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,
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