E-81
克泰液压产品样本 2018 9
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 to ,with the spring chamber
constantly drained at ③.On attachment of a pre-determined pressure at , the
cartridge shifts to restrict input flow at , thereby regulating pressure at .
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):
fromto(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,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
E-82
克泰液压产品样本 2018 9
E
订货代号 TO ORDER
安装尺寸 INSTALLATION DIMENSIONS
Unit=Millimeters
ᆿ㻻ᢣ⸟
32-35Nm
弹簧调压范围
Spring Ranges
4
=100-400psi(6.9-27.6bar)
Preset:196psi(13.5bar)
15
=150-1500psi(10.3-103bar)
Preset:740psi(51bar)
30
=400-3000psi(27.6-207bar)
Preset:1490psi(103bar)
3
阀块油口 Body Porting
空白 Blank
= 不带阀块 None
6T
=SAE6
8T
=SAE8
2G
=G 1/4
3G
=G 3/8
6
阀块详见章节 K-5
其它螺纹油口也是可选择的
Other Porting is Available
功能
LPPR2
= 先导式减压阀
Pilot-operated
Pressure Reducing Valve
1
61 3 52 4
规格 Size
10
=10 规格
2
LPPR2 – 10 – * * – * / **** – * *
调节 Adjustment
K
= 调节手轮 1-1/2'Dia Knob
内六角调节杆 (Omit for 1/4 Hex Allen head)
4
设定压力 Setting In Bar
空白 Blank
= 预设定 Preset
Example:0100
=100bar
5