Q21F-二片式外螺紋球閥、Q21F-16P二片式外絲球閥、Q21F-16P不銹鋼外螺紋球閥
Q21F二片式外螺紋球閥主要件材質:
| 件名稱: | Q21F-(16-64)C | Q21F-(16-64)P | Q21F-(16-64)R |
| 閥體 | WCB | ZG1CR18Ni9i CF8 | ZG1Cr18Ni12Mo2Ti CF8 |
| 球體 | 1Cr18Ni9Ti 304 | 1Cr18Ni9Ti 304 | 1Cr18Ni12Mo2Ti 316 |
| 閥桿 | 1Cr18Ni9Ti 304 | 1Cr18Ni9Ti 304 | 1Cr18Ni12Mo2Ti 316 |
| 密封圈 | 聚四*乙烯Polytetrafluorethylene(PTEE) | ||
| 填料 | 聚四*乙烯Polytetrafluorethylene(PTEE) | ||








