Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the pinnacle of modern engineering excellence. Seamlessly integrating pressure, flow, and directional control into a single, cohesive unit, these valves promise unparalleled performance and unwavering reliability. Crafted with precision, these engineering masterpieces typically consist of three key functional modules: connecting blocks, directional valves, and end plates. These components are expertly designed for seamless integration into sophisticated high-end hydraulic systems, crucial in top-tier engineering machinery. Our valves provide precise governance over the movement direction and speed of hydraulic cylinders, motors, and various actuators, ensuring supreme accuracy and control. Notable features include an ultra-compact structure, outstanding energy efficiency, and the ability for stepless speed control. They empower multiple actuators to operate simultaneously under diverse load conditions, delivering exceptional performance and adaptability for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, offering unwavering and dependable operation. Meanwhile, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may have a marginally slower response time, they excel in providing extraordinary energy-efficiency, making them the optimal choice for scenarios where efficiency is of utmost importance. With their state-of-the-art engineering and energy-conscious design, HLPSV valves stand out as the premier solution for advanced 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 - The key to ensuring steady and reliable performance at all times.;
HLPSV: Variable Displacement Pump - Exemplifies adaptability with exceptional efficiency.;
(2) Connection Block Ports P & R Specifications - Precision that earns your trust, every application::
2-G3/8; Compact design, ensuring efficient performance.
3-G1/2; Built for reliability and robust functionality.;
4-G3/4; Facilitating advanced and seamless connectivity.;
5, 55-G1; Providing superior flow rates for demanding operations.;
6-G1 1/4; Delivering unmatched performance capabilities.;
(3) Additional Components and Specifications - Elevating system capabilities to the next level::
C,Standard Type - Your dependable baseline for consistent results.;
G,Throttle Valve (For HLPSL only) - Delivering precision control where needed.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized for superior flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control to match your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions for optimal performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined for maximum efficiency: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;./F. . , With pressure limiting valve for secondary pressure (F50) with specified pressure value; Incorporates advanced safety measures.
(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 you have optimal pressure control for every scenario.
(7) Product Series Classification - Unveiling Unparalleled Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Crafted to perfection for every unique 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, tri-flow controllers for both inlet and outlet (optimized for N 3/3-way valve); 5, enhanced inflow controller; 8, pre-selectable options;
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N - A spectrum of functionality to cater to every need;
(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);
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, limit actuator ports A & B pressure simultaneously; A---B---, independently limit actuator ports A & B pressure, 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; Engage with precision and control;
(14) Operation modes: A(1,2), manual 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 A and B); F, pure hydraulic control (two pilot oil ports are perpendicular and outward);
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Perfectly adaptable for your needs;
(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, port Y is additionally appended; E3, external discharge of pilot oil, a 2-position 3-way magnetic ball valve is installed; in power scenarios, the system pressure rises to safety valve thresholds;
E4, similar 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; Engineered for excellence and adaptability;
(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; G12c386497d
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 a renowned subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly uphold our status as a distinguished national high-tech enterprise. Our specialized expertise is anchored in the precise research, development, manufacturing, and sales of superior hydraulic components. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and superior quality. This unwavering dedication positions us at the forefront of our industry, driving progress and setting standards.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control technology. Expertly designed for use in construction machinery and heavy-duty equipment, this adaptable component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic collaborations with leading domestic manufacturers, as we play a crucial role in the localization of 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 committed to delivering outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
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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