spring-loaded seal 弹簧加压密封
spring loaded seal 弹簧加压密封
spring-loaded leather seal 弹簧压紧皮碗
single helical spring-loaded type seal 单螺旋弹簧加载式密封
Based on customers requirement, a packing tightening design may be employed to obtain more reliable stem packing seal, which is loaded by bevelling spring.
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。
V-packings: Self-adjusting, spring-loaded, double V-packings maintain constant high pressure seal compression and extend seal and plunger life.
密封：自动调节，弹簧底座，双层V-密封维持高压密封和延长密封与柱塞寿命。
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