Presenting our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels seamlessly integrate pressure, flow, and directional control into one cohesive unit, ensuring unparalleled performance and reliability. Composed of three vital functional modules-connecting blocks, directional valves, and end plates-these valves are precision-engineered for top-tier hydraulic systems, crucial in elite engineering machinery. They adeptly manage the direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a compact structure, superb energy efficiency, and the capability for stepless speed control. Additionally, they enable multiple actuators to function concurrently under varying loads, delivering exceptional performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, providing steadfast and reliable operation. In contrast, the HLPSV valves are skillfully crafted for variable pump systems. While HLPSV valves might display a slightly slower response time, they excel in delivering superior energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1)Basic Code of Connection Block
HLPSL: Constant Displacement Pump;
HLPSV: Variable Displacement Pump;
(2) Port P & R of the Connection Block:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Additional Component:
C,Standard Type;
G,Throttle Valve (Only used for HLPSL);
H,Fixed Differential Overflow Valve for Improving the Circulating Pressure (about 14 bar, HLPSL);
(4)Pilot Oil Circuit Pressure:0 without pressure reducing valve; 1 with pressure reducing valve (20 bar); 2 with pressure reducing valve (40 bar);
(5)2/2-way Magnetic Ball Valve for System Unloading: C, without magnetic ball valve; F, normally open magnetic ball valve, in case of power supply, the pump is pressurized; in case of power failure, the pump carries out unloading; D: normally closed magnetic ball valve, in case of power supply, the pump carries out unloading; in case of power failure, the pump is pressurized; D../F. . , with Pressure Limiting Valve, it can serve as secondary pressure (F50) with pressure value indicated;
(6)Tool Adjustable, Pressure Limiting Valve in the Connection Block: Pressure limiting valve sets such as 63, 120, 210, 280, 315, 350, 400 bar; /NF: without pressure limiting valve (only for HLPSV);
(7)Product Series: -2 series;-3 3 series; -5 5 series;
(8)Thread size of directional spool valve ports A & B: 2-G3/8; 3-G1/2; 4-G3/4; 5-G1. Ancillary Block or Intermediate Transition Block: ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional Valve Block Inflow Controller: 1. Without inflow controller; 2. Standard inflow controller; 4. 3-way flow controllers for inlet and outlet (ideal for N 3/3-way valve); 5. Strengthened inflow controller; 8. Pre-selectable;
(10) Function Symbol of Valve Core: L, M, F, H, J, B, R, O, N;
(11) Output Flow Code of Ports A & B: Select from maximum output flows of ports A & B: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary Pressure Limitation: N. No pressure limiting protection; C. Limit the pressure of actuator ports A & B simultaneously; A---B---. Limit the pressure of actuator ports A & B separately. Unit: (bar);
(13) Function ON/OFF and Pressure Outlet: N. Without function ON/OFF and pressure outlet; X. C type pressure limitation; S/S1. AB type pressure limitation; A. Electrical ON/OFF on side A; B. Electrical ON/OFF on side B;
(14) Operation Manner: A(1,2). Manual operation with long handle (1=without handle, 2=with short handle); E. Electric proportional control; EA(1,2). Electric proportional control and manual operation (1=without handle, 2=with short handle); D. Electric switching value control; DA(1,2). Electric switching value control and manual operation (1=without handle, 2=with short handle); M. Manual friction positioning with long handle; H. Pure hydraulic control (two pilot oil ports align with oil ports A and B); F. Pure hydraulic control (two pilot oil ports are perpendicular to oil ports A and B and outward respectively);
(15) Ancillary Block: /2 Ancillary block port size G3/8; /3 Ancillary block port size G1/2; /4 Ancillary block port size G3/4; /5 Ancillary block port size G1;
(16) End Plate: E1. Standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2. Similar to E1, external discharge of pilot oil, port Y is additionally attached; E3. External discharge of pilot oil, a 2-position 3-way magnetic ball valve is mounted. In power supply scenarios, the system pressure rises to the safety valve pressure;
E4. Similar to E1, internal discharge of pilot oil, port T can be sealed; E5. Similar to E2, internal discharge of pilot oil, port T can be sealed; E6. Similar to E3, internal discharge of pilot oil, port T can be sealed;
(17) Control Voltage and Length of Anti-Explosion Type Cable: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of groundbreaking innovation and unmatched excellence within the hydraulic industry. Proudly affiliated with the esteemed China Baoan Group (stock code: 000009), we are honored to be a nationally recognized high-tech enterprise. Our expertise lies in the meticulous research, cutting-edge development, superior manufacturing, and strategic sales of top-tier hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, our unwavering dedication to technological advancement and exceptional quality distinguishes us as industry leaders.
Our flagship product, the Advanced Load Sensitive Valve with Location Sensor Control Features, represents the pinnacle of hydraulic system control expertise. Precision-engineered for construction machinery and heavy-duty equipment, this innovative component is essential in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic partnerships with leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-reaffirms our dedication to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted provider of premier hydraulic components, continuously setting new standards of excellence.
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Response:The typical lead time for production is approximately one month from the date of payment receipt. This period ensures thorough preparation and rigorous quality control, ultimately guaranteeing that your products are delivered to the highest standard, flawlessly.
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