技術(shù)參數(shù):
殼體材料 Shellmaterial | 適用溫度/℃ Applicable temperature | 適用介質(zhì) Applicable medium |
ASTM A216 WCB | ≤425 | 蒸汽、水 |
ASTM A217 WC1 | ≤450 | |
ASTM A217 WC6 | ≤550 | |
ASTM A217 WC9 | ≤590 |
主要零件材質(zhì):
殼體材料 Shell material | 材料牌號(hào)Mater…Designation | |||
閥體 | WOB | WC1 | WC6 | WC9 |
閘板 | WCB | WC1 | WC6 | WC9 |
閥蓋 | 25 | 15CrMoVA | 12CrMoVA | 12CrMoVA |
WCB | WCl | WC6 | WC9 | |
閥桿 | 38CrMoVA | 38CrMoVA | 38CrMoVA | 38CrMoVA |
20CrlMolV1A | 20Cr1MoVA | |||
填料 | 增強(qiáng)柔性石墨 Flexible Graphite | |||
支架 | WCB | WCB | WCB | WCB |
WC1 | WC6 | WC9 | ||
密封環(huán) | S軟鋼(增強(qiáng)柔性石墨) | S軟鋼 | F軟鋼 | |
閥桿螺母 | ZQA19-4或A439 D2 |