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601100
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601100
- Open-centered, for fixed displacement pump systems
- Closed-centered, for variable displacement pump systems, priority functions
Abundant pilot control methods
Load pressure compensation, to achieve flow resistance to load fluctuations, fastresponse, small hysteresis
优先功能
CAN总线、电比例、机械等丰富的先导控制方式
负载压力补偿，实现流量康负载波动
响应快
滞环小
一次及二次安全阀
| General | ||||||
| Nominal Size | 12 | 15 | 20 | 25 | ||
| Structure | Stackable, proportional, load sensing, pre-compensated | |||||
| Type of connection | ISO BSP thread, metric thread,ISO 6162 flange interface (Please contact our company for other connection methods ) | |||||
| Mass (kg) | Inlet element | Open center | 5.53/5.29 | 9.8 | 17 | 26.2 |
| Closed center | 4.34 | 6.5 | 13.5 | 25.3 | ||
| Middle section | Hydraulic operation | 4.25 | 5.4 | / | 61.8 | |
| Normal E-H operation | 4.65 | 6.5 | 12.5 | 137.5 | ||
| Super E-H operation | 4.95 | 7.5 | 13.5 | 148.8 | ||
| End element | 3.09 | 4.5 | 8 | 14.5 | ||
| Hydraulic | ||||||
| Nominal Size | 12 | 15 | 20 | 25 | ||
| Rated flow Q(L/min) | With load-holding function, without pressure compensator | 140 | 200 | 400 | 500 | |
| Without load-holding function, with pressure compensator. | 120 | 190 | 400 | |||
| With load-holding function, with pressure compensator. | 120 | 150 | 400 | |||
| Max. operating pressure at port (bar) | P | 350 | ||||
| LS | 330 | |||||
| A/B | 420 | 350 | ||||
| T | 30 | |||||
| Y | Less than 2 | |||||
| Pilot pressure (bar) | a/b | Less than 35 | ||||
| X | 30 | |||||
| Pilot pressure control range | For Hydraulic control | 7~22bar (102~319psi) | 8.5 ~22.5 bar (123 ~ 330 psi) | |||
| Required control Δp at the control block | Compensator-S; C; T: 15bar (218psi）Recommended variable pump set pressure difference: 18~20bar (261~290psi） | Compensator-S; C: 18bar (260psi) Compensator-T: 25bar (360psi) | pressure difference: 25bar (261~290psi） | Compensator-T: 25bar (360psi) | ||
| Recommended hydraulic pilot control units | See H-2TH6 characteristic curve 97 | |||||
| LS pressure relief function (adjustment ranges) | 50 ~ 149 bar (725 ~ 2160psi)； | 50 ~ 350 bar | ||||
| 150 ~ 350bar (2175 ~ 4800psi)) | ||||||
| Electric | ||||||
| Normal E-H operation | ·Electrical on/off valve: Installed on the 'A'side cover ·Connection: Deutsch DT04-2P or AMP Junior-Timer ·Protection class: IP67 ·Supply voltage: 12 or 24VDC | ·Electrical proportional valve: Installed on the 'A' side cover ·Dither frequency required: 150Hz ·Hysteresis: Less than 3%(at valid range) ·Connection: Deutsch DT04-2P or AMP Junior-Timer ·Protection class: IP67 ·Reducing pressure range: 0~30 bar ·Control current@24VDC: 0~800mA, @12VDC: 0~1500mA | ||||
| Using environment | ||||||
| Hydraulic fluid | Mineral oil (HL, HLP) according to DIN 51524. Other hydraulic fluids, such as HEES (Synthetic Ester) according to VDMA 24568. | |||||
| Hydraulic fluid temperature range(℃ ) | -20 to + 80 | |||||
| Viscosity range ν (mm2/s) | 10 to 380 | |||||
| Maximum permissible degree of contamination of the pressure fluid cleanliness class to ISO 4406(c) | Class 20/18/15, we therefore recommend a filter with a minimum retention rate of β10 ≥ 75 | |||||
