Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements.
| 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 - The key to consistent and reliable performance.;
HLPSV: Variable Displacement Pump - Adaptability and flexibility at its finest.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can trust::
2-G3/8; Compact and efficient for streamlined operations.
3-G1/2; Robust and dependable.;
4-G3/4; Advanced connectivity for superior control.;
5, 55-G1; Offering a superior flow rate for high-demand applications.;
6-G1 1/4; Delivering unmatched performance in the field.;
(3) Additional Components and Specifications - Elevating system capabilities::
C,Standard Type - A dependable baseline for your needs.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to enhance performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions for your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and control: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; Advanced safety measures for secure operations.
(6) Tool Adjustable Pressure Limiting Valve in Connection Block: Featuring customizable pressure settings ranging from 63 to 400 bar, this design ensures top-tier pressure regulation for diverse operational needs. The /NF option, without a pressure limiting valve (HLPSV only), guarantees supreme adaptability for optimal pressure management across various scenarios.
(7) Product Series Classification - Identifying excellence with precision:;-2 2 Series; -3 3 Series; -5 5 Series; Meticulously crafted to meet the unique demands of any application, offering unparalleled customization.
(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 intermediary transition block ZPL 5S(V)/H hydraulic control shut-off valve; offering a robust and seamless connection for enhanced functionality.
(9)Directional valve block inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, comprehensive 3-way flow controllers for both inlet and outlet-ideal for N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable; each option designed to meet specific performance criteria with unparalleled flexibility.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; offering a wide array of functionalities to suit any operational requirement.
(11) Output flow code for ports A & B: Offering maximum output flow rates from 3 to 210 L/min, catering to a spectrum of applications demanding precise and efficient flow management.
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, dual pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for actuator ports A & B, measured in bar; providing versatile pressure management solutions.
(13) Function ON/OFF and pressure outlet options: N, excludes function ON/OFF and pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electric ON/OFF on side A; B, electric ON/OFF on side B; each tailored to enhance operational control and efficiency.
(14) Operation modes: A(1,2), manual with long handle, with or without a short handle; E, electric proportional control; EA(1,2), combines electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrates electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control, aligning two pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports to oil ports A and B; offering diverse modes for optimal operational adaptability.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; designed to accommodate various connection requirements with ease and precision.
(16) End plate options: E1, standard end plate, featuring external pilot oil discharge and external oil return control port T; E2, similar to E1 with additional port Y; E3, equipped with a 2-position 3-way magnetic ball valve, ensuring system pressure rises to safety valve pressure when powered;
E4, akin to E1 but with internal pilot oil discharge and sealable port T; E5, mirrors E2 allowing for internal discharge and sealable port T; E6, comparable to E3 with internal pilot discharge and sealable port T; each engineered for specific operational scenarios, enhancing system integrity and safety.
(17) Control Voltage Options & Explosion-Proof Cable Lengths: Embrace flexibility and safety with our diverse control voltage configurations. Choose from G12 for a robust 12VDC system, ensuring dependable operation in varied environments.G24-Opt for G24 providing a reliable 24VDC setup. For enhanced safety, explore our G24Ex-3m offering, expertly designed for 24VDC with a 3-meter explosion-proof cable. Our tailored solutions continue with G12Ex-3m for a secure 12VDC, and the G24MA-3m elevates your 24VDC experience with precision over an extended range.12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd., has been a beacon of innovation and excellence within the hydraulic industry. As an esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly hold the mantle of a distinguished national high-tech enterprise. Our forte lies in the comprehensive research, development, manufacturing, and sales of superior hydraulic components. Our prestigious designation as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our unwavering pursuit of technological advancement and unmatched quality. This persistent dedication propels us as leaders in our domain, setting the standard for industry excellence.
Our flagship product, the load-sensitive proportional valve, stands as a testament to the pinnacle of hydraulic system control. This expertly engineered marvel is designed to meet the rigorous demands of construction machinery and heavy-duty equipment, making it indispensable for critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic partnerships with leading domestic manufacturers, playing an essential role in the localization of core hydraulic components for high-end mechanical equipment. Adhering to our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, establishing new benchmarks of excellence across the globe.
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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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