型號 | 公稱通徑 | 試驗壓力 | 工作溫度 | 適用溫度 | |
殼體 | 密封 | ||||
H71H-16Q | 1.6 | 2.4 | 1.76 | ≤235℃ | 水、蒸氣、油品等 |
H71H-25Q | 2.5 | 3.75 | 2.75 | ≤235℃ | |
H71W-25H | ≤300℃ | ||||
H71W-25P | ≤200℃ | 硝酸等腐蝕性介質 | |||
H71W-40H | 4.0 | 6.0 | 4.4 | ≤300℃ | |
H71W-40P | ≤200℃ | 水、蒸氣 |
型號 | 閥門 | 閥瓣 | 彈簧 |
H71H-16Q H71H-25Q | QT400-15 | 25 | 50CrVA |
H71W-25H H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9 |
H71W-25P H71W-40P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |