Basic Info.
Product Description
| Part Name | Grey cast iron | cast steel | Stainless steel | Ultra low carbon stainless steel | ||
| Z | C | P | R | PL | RL | |
| Upper and lower valve bodies | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| Disc | WCB | 35(forge) | CF8 | CF8M | CF3 | CF3M |
| Butterfly plate axis | 1Cr13 | 2Cr13 | 1Cr18Ni9 | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| Lining/Valve Seat | PTFE (F4) polytetrafluoroethylene, FEP (F46), PFA (soluble polytetrafluoroethylene), PP, PO, PE | |||||
| o-ring | FPM(fluororubber) | FPM(fluororubber) | ||||
| Elastic strip (pad) | SI(silicon rubber) | SI(silicon rubber) | ||||
| Adjusting the positioning seat | 0Cr18Ni9 | 0Cr18Ni9 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | 00Cr18Ni10 | 00Cr17Ni14Mo2 |
| bolt | 35 | 35 | 1Cr17Ni9 | 1Cr17Ni2 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| nut | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
| handwheel | WCB,ZL101(casting aluminum alloys) | |||||








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