Presenting our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, an epitome of advanced engineering. Seamlessly fusing pressure, flow, and directional control into one cohesive entity, these valves set new industry standards for performance and reliability. Crafted with precision, they comprise three core functional modules - connecting blocks, directional valves, and end plates - making them indispensable for integration into sophisticated hydraulic systems, crucial for elite engineering machinery. These valves masterfully regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Among their standout features are a compact structure, extraordinary energy efficiency, and the ability for stepless speed modulation. Moreover, they allow multiple actuators to function simultaneously under diverse load conditions, offering unprecedented performance and versatility across various applications.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring consistent and dependable performance. In contrast, the HLPSV valves are expertly crafted for variable pump systems. Although HLPSV valves might demonstrate a slightly slower response, they are unparalleled in delivering remarkable energy efficiency, making them the ideal choice for scenarios where efficiency takes precedence. With their state-of-the-art engineering and energy-conserving design, HLPSV valves stand out as the premier solution for cutting-edge 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) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - A cornerstone for consistent and unwavering performance, ensuring reliability in every operation.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, offering versatility for every application.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, meeting the highest standards::
2-G3/8; Compact in design, yet highly efficient. Perfect for space-conscious installations.
3-G1/2; Renowned for reliability and robustness, crafted to endure rigorous conditions.;
4-G3/4; Advanced connectivity for superior performance, seamlessly integrating with your system.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, designed for maximum efficiency.;
6-G1 1/4; Unmatched in performance and reliability, offering unparalleled functionality.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, crafted for excellence::
C,Standard Type - A dependable baseline for all applications, ensuring consistent quality.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, fine-tuning your system's performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, boosting efficiency and safety.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, delivering precision and adaptability:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, offering flexibility in operation.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, designed to enhance performance:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered; D./F. . , With pressure limiting valve for secondary pressure (F50) with specified pressure value; Pioneering advanced safety measures, safeguarding your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience flexibility with settings available at 63, 120, 210, 280, 315, 350, and 400 bar; /NF: Features no pressure limiting valve (exclusive to HLPSV only); Guaranteeing superior pressure control and enhanced safety.
(7) Product Series Classification - Unveiling excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Meticulously engineered to suit every application.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, auxiliary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional valve block inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet (perfect for N 3/3-way valve); 5, fortified inflow controller; 8, pre-selectable;
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Offered maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, restrict the pressure of actuator ports A & B simultaneously; A---B---, limit the pressure of actuator ports A & B independently, unit (bar);
(13) Function ON/OFF and pressure outlet options: 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 modes: 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 port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End plate options: E1, standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2, akin to E1, external discharge of pilot oil, with port Y 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 escalates to the safety valve pressure;
E4, akin to E1, internal discharge of pilot oil, port T can be sealed; E5, akin to E2, internal discharge of pilot oil, port T can be sealed; E6, akin to E3, internal discharge of pilot oil, port T can be sealed;
(17) Control voltage and the length of anti-explosion type cable options: 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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
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Answer:The lead time for production is typically around one month following receipt of payment. This period allows us to undertake meticulous preparation and enforce stringent quality control measures. Every detail is taken care of to ensure your products are delivered flawlessly.
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