1. Worm\J-X20/6.5-IV JXB-0029-I/HT450
2. Packing ring \J-X20/6.5-IV J5-16/2Cr13+ aramid
3. Crosshead\ZJ2-20/2.0-II JX-0008/316L
4. Spiral sleeve\J-X20/6.5-IV JX-0019/HT200
5. Adjustment sleeve \ZJ2-20/2.0-II TZ-3002/ZGCr15
6. Eccentric shaft \J-X20/6.5-IV JX-0014/12Cr13
7. Plunger\J-X20/6.5-IV X-16-02A-IV/316L
8. Limiting plate\J-X20/6.5-IV J13-10-IV/Rubber+Plastic+316L
9. Worm gear\J-X20/6.5-IV JXB-0030-I/HT450
10. Adjusting rod \J-X20/6.5-IV JX-0018/HT450
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