Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering wonders seamlessly integrate pressure, flow, and directional control into a singular, harmonious unit, ensuring unparalleled performance and steadfast reliability. Typically comprised of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, which are crucial in top-tier engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing 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 unwavering and consistent performance.;
HLPSV: Variable Displacement Pump - Embrace adaptability at its finest.;
(2) Connection Block Ports P & R Specifications - Precision you can trust::
2-G3/8; Compact design with remarkable efficiency.
3-G1/2; Engineered for reliability and robustness.;
4-G3/4; Providing advanced connectivity.;
5, 55-G1; Ensures superior flow rate.;
6-G1 1/4; Offers unmatched performance.;
(3) Additional Components and Specifications - Enhancing system capabilities::
C,Standard Type - Your dependable baseline for operations.;
G,Throttle Valve (For HLPSL only) - Precision control at your fingertips.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Master the art of optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for diverse needs:0 - No pressure reducing valve; 1 - Equipped with a pressure reducing valve (20 bar); 2 - Features a pressure reducing valve (40 bar); Tailored solutions for your specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency at its best: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 values; Advanced safety features.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Settings available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring optimal pressure control with precision.
(7) Product Series Classification - Identifying Excellence: Elevate your hydraulic systems with our unparalleled range of precision-engineered series, each designed to meet the highest standards of performance and reliability.;-2 2 Series; -3 3 Series; -5 5 Series; Crafted to perfection for diverse applications, ensuring seamless integration and superior functionality tailored to your specific needs.
(8)Thread Size of Directional Spool Valve Ports A & B: Discover the perfect match for your hydraulic solutions with our precision-threaded spool valve ports, engineered for optimal flow and control.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; Offering versatility with a range of sizes to suit your specific hydraulic requirements seamlessly.
(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, Strengthened Inflow Controller; 8, Pre-selectable; Providing a spectrum of choices for enhanced precision and control in fluid management.
(10) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N; Each symbol represents a unique capability, ensuring our valves deliver unmatched performance tailored to your operational needs.
(11) Output Flow Code for Ports A & B: Available Maximum Output Flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); Our valves offer a wide range of flow options, providing the ideal solution for any hydraulic application, no matter the scale.
(12) Secondary Pressure Limitation Options: 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); Tailor your system's pressure control with precision-engineered options for unmatched safety and reliability.
(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; Adapt our solutions to your specific needs with versatile ON/OFF and pressure outlet functionalities for enhanced operational efficiency.
(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); Experience ultimate flexibility with a variety of operation modes, designed to cater to every control preference and operational scenario.
(15) Ancillary Block Port Sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Choose from a selection of port sizes to ensure seamless integration into your existing hydraulic system, enhancing performance across the board.
(16) End Plate Options: 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; Offering diverse end plate configurations that enhance functionality and protect your system under a variety of operating conditions.
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; Master system dynamics with our advanced end plate options, enabling tailored solutions for every hydraulic challenge.
(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; G12b9f63bd3
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has revolutionized the hydraulic industry with unmatched innovation and superior excellence. As an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be acknowledged as a national high-tech enterprise of distinction. Our profound expertise is rooted in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our prestigious designation as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our relentless pursuit of technological advancement and unparalleled quality. This unwavering dedication positions us as leaders at the forefront of our industry.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of cutting-edge hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this indispensable component is crucial for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We hold immense pride in our strategic alliances with leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the world stage.
Customer Inquiry:1. What about the lead time?
Our Response: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.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Our Response: We offer an exceptionally low minimum order quantity, allowing you the freedom to order even a single piece for sample checking. This flexibility ensures that your specific needs are met perfectly, making it easier to start your projects seamlessly.
Customer Inquiry:3. How to proceed with an order for LED lights?
Our Response: Start by informing us of your detailed requirements or applications. We will then provide you with a customized quote based on your needs or our expert recommendations. Once you confirm the drawings and place a deposit, we will formalize the order and arrange production. Every specification will be meticulously met, ensuring a seamless and tailored solution.drawings,and place a deposit to formalize the order. Finally, we will arrange production, ensuring that every specification is met to perfection, delivering a seamless and tailored solution.
Customer Inquiry:4. Is it OK to print my logo on the product?
Our Response: Absolutely, it is possible. Simply inform us formally before production begins and confirm the design based on the sample we provide. This ensures that your branding is represented with utmost precision and quality.
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