| A42型 主要性能规范：Main technical data |
型号
type |
整定压力范围
MPa
Range of Adjusted pressure
|
密封试验压力
MPa
sealing test pressure
|
排放压力
MPa
built-up pressure |
回座压力
MPa
re-seating pressure |
开启高度
mm
Value Lift |
适用介质
Suitable
medium |
适用温度
℃
Suitable temperature |
排量系数
coefficient of dischange |
A42Y-16C
A42Y-25
A42Y-40
A42Y-64
A42Y-100 |
Ps0.1～0.6
Ps1.3～2.5
Ps1.6～4.0
Ps3.2～6.4
Ps5.0～10.0 |
Ps<0.3时
Ps-0.03
Ps≥0.03时
90%整定压力
|
≤1.1 x
整定压力
setting
pressure |
≥85%
整定压力
setting
pressure |
≥1/4
喉径
Throat
diameter |
空气、石油气、无腐蚀性的气体等
Air,petroleum gas,non-corrosiveness
gas etc |
-29～300 |
0.7 |
A42Y-16P
A42Y-25P
A42Y-40P
A42Y-64P
A42Y-100P |
Ps0.1～0.6
Ps1.3～2.5
Ps1.6～4.0
Ps3.2～6.4
Ps5.0～10.0 |
弱腐蚀性气体
Weak corrosiveness
gas |
-40～150 |
A42Y-16R
A42Y-25R
A42Y-40R |
Ps0.1～0.6
Ps1.3～2.5
Ps1.6～4.0 |
腐蚀性气体
corrosiveness gas
|
-40～150 |
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