Discover the pinnacle of hydraulic innovation with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These exceptional engineering feats unite pressure, flow, and directional control into a single, cohesive unit, ensuring unparalleled performance and dependability. Comprised of three fundamental functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously designed for integration into high-performance hydraulic systems, essential in elite engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a compact structure, enhanced energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to function concurrently under diverse loads, delivering phenomenal performance and adaptability for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring unwavering and dependable operation. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves might present a slightly more measured response time, they are unparalleled in providing extraordinary energy-saving performance, establishing them as the ultimate choice for applications where energy efficiency is critical. With their advanced engineering and energy-conscious design, HLPSV valves stand out as the leading solution for sophisticated hydraulic control demands.
| 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.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust::
2-G3/8; Compact in design, yet highly efficient.
3-G1/2; Renowned for reliability and robustness.;
4-G3/4; Advanced connectivity for superior performance.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics.;
6-G1 1/4; Unmatched in performance and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable baseline for all applications.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness: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.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With settings finely tuned for 63, 120, 210, 280, 315, 350, and 400 bar /NF: No pressure limiting valve (HLPSV only). Ensure unparalleled pressure precision and safety.
(7) Product Series Classification - Distinguishing excellence at a glance:;-2 2 Series; -3 3 Series; -5 5 Series; Custom-crafted to meet your diverse needs.
(8)Thread size of directional spool valve ports A & B offers the following range:2-G3/8, 3-G1/2, 4-G3/4, 5-G1; A, ancillary 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, ideal for N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable.
(10) Valve core function symbols include: L, M, F, H, J, B, R, O, N; each representing unique functionalities.
(11) Output flow code for ports A & B: Experience a variety of maximum 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, simultaneous pressure limitation of actuator ports A & B; A---B---, separate pressure limitation for actuator ports A & B, unit (bar).
(13) Function ON/OFF and pressure outlet options: N, without 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 with handle options (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), combined electric proportional and manual (1=without handle, 2=with short handle); D, electric switching control; DA(1,2), combined electric switching and manual (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control with pilot ports aligning with A and B; F, pure hydraulic control with pilot ports perpendicular to A and B, outward.
(15) Ancillary block port sizes: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1; adaptable to your system's requirements.
(16) End plate options: E1, standard end plate with external pilot oil discharge, connects oil return control port T externally; E2, similar to E1 with port Y additionally attached; E3, features a 2-position 3-way magnetic ball valve, system pressure rises to safety valve pressure in power supply scenarios.
E4, similar to E1 with internal pilot oil discharge, port T can be sealed; E5, akin to E2 with internal discharge; E6, akin to E3 with internal discharge, port T can be sealed.
(17) Control Voltage and Explosion-Proof Cable Options: Offering a range of flexible and robust solutions, we provide various voltage options including G12-12VDC, perfectly suited for diverse industrial needs.G24: Another optimal choice for those requiring a 24-volt direct current setup, ensuring reliability in demanding environments.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Our extensive selection encompasses standard 24VDC, as well as explosion-proof variants like G24Ex and G12Ex, all available in durable 3-meter configurations. G24MA offers enhanced safety for mining applications.12: This low-voltage solution is ideal for projects where efficiency and safety are paramount, seamlessly integrating into your existing setups.bb621436
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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