Introducing the innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves from Jiangsu KM Hydraulic Control System Co., Ltd. Experience the future of hydraulic control with these extraordinary engineering innovations that elegantly merge pressure, flow, and directional control into one integrated, harmonious unit. These valves promise unmatched performance and steadfast reliability, setting a new benchmark in hydraulic technology. Comprising three indispensable functional modules - connecting blocks, directional valves, and end plates - these precision-engineered components are designed for seamless integration into cutting-edge hydraulic systems, crucial to elite engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unparalleled precision and mastery. Standout features include a compact design, exceptional energy efficiency, and the ability for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, offering exceptional performance and versatility for every application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering and dependable operation. On the other hand, the HLPSV valves are finely engineered for variable pump systems. While the HLPSV valves may have a slightly slower response time, they distinguish themselves with outstanding 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 as the leading solution for sophisticated 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 - Your key to maintaining consistent and reliable performance.;
HLPSV: Variable Displacement Pump - Experience adaptability at its finest.;
(2) Connection Block Ports P & R Specifications - Precision you can trust::
2-G3/8; Compact and efficient, ideal for space-saving designs.
3-G1/2; Reliable and robust, engineered for durability.;
4-G3/4; Advanced connectivity, ensuring seamless integration.;
5, 55-G1; Superior flow rate, optimized for high efficiency.;
6-G1 1/4; Unmatched performance, delivering top-tier operation.;
(3) Additional Components and Specifications - Enhancing system capabilities::
C,Standard Type - Dependable baseline, ensuring foundational stability.;
G,Throttle Valve (For HLPSL only) - Achieve precision control with ease.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management for superior efficiency.;
(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); designed to meet every requirement.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency with versatile options:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes the pump when powered and unloads 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 ensure maximum protection.
(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 and adaptability.
(7) Product Series Classification - Excellence in Every Design: Explore our unmatched product series that showcase unparalleled quality and precision engineering.;-2 2 Series; -3 3 Series; -5 5 Series; Crafted to meet diverse applications with precision and adaptability.
(8)Thread Size of Directional Spool Valve Ports A & B: Engineered for optimal performance and reliability.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Experience unparalleled versatility with ancillary or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve.
(9)Directional Valve Block Inflow Controller Options: Tailor your system's performance with our versatile controller selections: 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;
(10) Valve Core Function Symbols: Choose from an array of specialized functions: L, M, F, H, J, B, R, O, N;
(11) Output Flow Code for Ports A & B: Delivering optimum performance with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary Pressure Limitation Options: N, no pressure limiting protection; C, simultaneously limit the pressure of actuator ports A & B; A---B---, independently limit the pressure of actuator ports A & B, measured in unit (bar);
(13) Function ON/OFF and Pressure Outlet Options: Enhance your control with options like 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: Innovatively designed for versatile control: A(1,2), manual operation with long or short handle; E, electric proportional control; EA(1,2), dual electric and manual operation; D, electric switching value control; DA(1,2), hybrid switching value control and manual operation; M, manual friction positioning; H, pure hydraulic control aligned with ports A and B; F, pure hydraulic control perpendicular to ports A and B.
(15) Ancillary Block Port Sizes: Available in the following configurations for seamless integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End Plate Options: Choose from a range of end plates for tailored application: E1, standard end plate with external discharge; E2, similar to E1 with additional port Y; E3, external discharge with a 2-position 3-way magnetic ball valve; system pressure attains safety valve pressure;
E4, similar to E1 with internal discharge; E5, similar to E2 with internal discharge; E6, similar to E3 with internal discharge; port T can be sealed for enhanced protection.
(17) Control Voltage and Anti-Explosion Type Cable Length Options: Secure, reliable power with these options: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12347a1e7d
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are proud to be recognized as a leading national high-tech enterprise. Our focus and expertise are rooted in the precise research, development, manufacturing, and sales of high-quality hydraulic components. Our accolade as a national 'specialized, refined, and innovative' small giant enterprise underscores our steadfast dedication to technological progress and superior quality. This unwavering commitment positions us as leaders in the hydraulic field.
Our flagship creation, the load-sensitive proportional valve, is the epitome of cutting-edge hydraulic system control. Masterfully engineered for construction machinery and heavy equipment, this essential component is crucial for critical applications such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances with numerous leading domestic manufacturers, playing a vital role in localizing core hydraulic components for high-end mechanical equipment. Our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-drives our unwavering commitment to provide 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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