E-81
克泰液压产品样本 2018 年 9 月
LPPR2-10
先导式减压阀 ( 无溢流功能 )
A cartridge-style pilot-operated
pressure reducing valve
先导式减压阀
SYMBOL
压力 – 流量曲线 PRESSURE DROP VS.FLOW
说明 DESCRIPTION
In its steady state, the valve allows flow to pass from ② to ① ,with the spring chamber
constantly drained at ③.On attachment of a pre-determined pressure at ① , the
cartridge shifts to restrict input flow at ② , thereby regulating pressure at ① .
在①口的压力达到弹簧设定的压力时,从②到①减压。弹簧腔内排到③口。
工作 OPERATION
工作压力(Operating Pressure):
207bar
流量(Flow):
See PRESSURE DROP VS. FLOW graph.
内泄漏(Internal Leakage):
from②to③(内泄漏②到③) 82 cc/min. max. at 85% of crack pressure
弹簧调压范围(Standard Spring Ranges):
6.9-27.6 bar, preset预设定:13.5bar
10.3- 103 bar, preset预设定: 51bar
27.6- 207 bar, preset预设定: 103bar
温度(Temperature):
-40
°
F to +250
°
F(-40
°
C to +120
°
C)
过滤(Filtration):
See page (参见) N-1
油液(Fluids):
Mineral-based fluids with viscosities of 7.4 to 420 cSt.(矿物油粘度)
插孔(Cavity):
10-3, See page M-2
阀块材料(Body Material):
6061-T6 aluminum alloy rated to 207bar, Steel & Ductile iron rated to 350bar
6061-T6铝,允许使用最大压力207bar 钢和球铁允许使用最大压力350bar
技术参数 SPECIFICATIONS
32cSt oil @ 40°C