... packing spring seat 填料弹簧座 packing spring 填料弹簧 packless valve 无填料阀 ...
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填料弹簧座 [机] packing spring seat
鼻腔填塞敷料弹簧镊 nasal tampon spring forceps
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根据用户的需要，可以采用碟形弹簧加载的填料压紧机构，使阀杆填料的密封更加可靠。
Based on customers requirement, a packing tightening design may be employed to obtain more reliable stem packing seal, which is loaded by bevelling spring.
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