常见故障
Common faults
[常见故障] 阀杆升降不灵或开关不动:
2019-04-03
[常见故障] 阀芯、阀座有裂纹
[常见故障] 阀芯与阀杆脱离,造成开关失灵
[常见故障] 阀门内漏
[常见故障] 阀盖结合面漏
[常见故障] 阀杆及与其配合的丝母螺纹损坏或阀杆头折断、阀杆弯曲