立式止回閥主要性能規(guī)范:
型號 | 公稱壓力 | 試驗壓力P3(MPa) | 適用溫度(℃) | 適用介質(zhì) | |
殼體 | 密封 | ||||
H42W-16C | 1.6 | 2.4 | 1.76 | ≤425 | 水、油品 |
H42W-16P | | 弱腐蝕介質(zhì) | |||
H42W-25P | 2.5 | 3.75 | 2.75 | | |
H42W-25R | | 腐蝕性介質(zhì) | |||
H42W-40P | 4.0 | 6.0 | 4.4 | | 弱腐蝕性介質(zhì) |
H42W-40R | | 腐蝕性介質(zhì) | |||
H42Y-40 | 水、油品 |
立式止回閥主要零件材料:
零件名稱 | 閥體、閥瓣 | 導向閥 | 密封面 | |
H42W-16C | 碳鋼 | 碳鋼 | 碳鋼 | |
H42W-16P | 鉻鎳鈦不銹鋼 | 鉻鎳鈦不銹鋼 | 鉻鎳鈦不銹鋼 | |
H42W-25P | ||||
H42W-40P | ||||
H42W-25R | 鉻鎳鉬鈦不銹鋼 | 鉻鎳鉬鈦不銹鋼 | 鉻鎳鉬鈦不銹鋼 | |
H42W-40R | ||||
H42Y-40 | | | |
國標法蘭截止閥