船用空氣減壓閥壓力分級Pressure Classification
l壓力分級Pressure Classification | 進口壓力Entry Pressure(P1) | 出口壓力Exit Pressure(P1) |
A | 3.0 | 1.0～0.7 |
B | 3.0 | <0.7～0.2 |
e | 1.0 | 0.4～0.05 |
性能規(guī)范Technical Data
公稱通徑Nominal Diameter | 進口工作壓力Entry Pressure Pl(MPa) | ||||
DN(mm) | 3.0 | 1。0 | |||
進口Entry DN1 | 出口Exit DN2 | 出口減壓壓力Exit Reduce Pressure P2(MPa) | |||
15 | 20 | 1.0—0.7 | 0.7～0.2 | 0.4～0.05 | |
20 | 25 | ||||
25 | 32 | ||||
主要零部件材質Materials of Main Parts
零件名稱Parts Name | 材料Material | |
名稱Name | 牌號Marks | |
閥體Body | 鑄鋼Cast Steel | ZHSi80-3 |
閥蓋Cover | 鑄鋼Cast Steel | ZG230-450 |
彈簧材料Material Of Spring | 鑄鋼Cast Steel | 608iZMnA |
基本尺寸Dimensions
公稱通徑Nominal | 結構尺寸 | 外螺紋連接尺寸Connect Sice for Screw | 重量 | ||||||||||||
Diameter | Structure Dimension | 進口Entry | 出口Exit | Weight(kg) | |||||||||||
DNl | DN2 | L | H | h | D1 | D2 | D3 | 11 | 12 | D4 | Ds | D6 | 13 | 14 | |
15 | 20 | 140 | 312 | 103 | M36×2 | 33 | 22 | 22 | 5 | M39×2 | 36 | 25 | 23 | 5 | 6.57 |
20 | 25 | 229 | 390 | 123 | M39×2 | 36 | 25 | 23 | 5 | M48×2 | 45 | 32 | 26 | 6 | 22.3 |
25 | 32 | 229 | 390 | 123 | M48×2 | 45 | 32 | 26 | 6 | M56×2 | 53 | 38 | 28 | 6 | 27.3 |
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