立式止回閥主要材料及性能參數(shù)
主體材料 | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | ZG2Cr5Mo | |
主要參數(shù) | 適用介質(zhì) | 油品、水、蒸汽 | 硝酸類 | 醋酸類 | 油品、水、蒸汽 |
適用溫度 | ≤425℃ | ≤200℃ | ≤200℃ | ≤550℃ |
立式止回閥性能規(guī)范
型 號(hào) | 公稱 | 主要結(jié)構(gòu)尺寸(mm) | 閥體 材料 | 性能規(guī)范 | ||||||
通徑DN(mm) | 壓力 PN(MPa) | D | D1 | L | L1 | H | 適用溫度(℃) | 適用介質(zhì) | ||
H42H-25 | 100 | 2.5 | 230 | 210 | 碳鋼 | ≤425 | 水、油品、蒸氣等 | |||
" | 125 | " | 270 | 275 | " | " | " | |||
" | 150 | " | 300 | 300 | " | " | " | |||
" | 200 | " | 360 | 380 | " | " | " | |||
H42H-40 | 100 | 4.0 | 230 | 210 | 碳鋼 | ≤425 | 水、油品、蒸氣等 | |||
" | 125 | " | 270 | 275 | " | " | " | |||
" | 150 | " | 300 | 300 | " | " | " | |||
" | 200 | " | 375 | 380 | " | " |