Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of engineering excellence. These revolutionary creations seamlessly combine pressure, flow, and directional control into a single, harmonious unit, ensuring unmatched performance and reliability. Crafted with meticulous precision, these valves typically consist of three vital functional modules: connecting blocks, directional valves, and end plates. They are expertly designed for integration into high-end hydraulic systems, playing a pivotal role in top-tier engineering machinery. These valves precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering exceptional precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, offering unmatched performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation. In contrast, the HLPSV valves are masterfully engineered for variable pump systems, where they excel in delivering exceptional energy-saving performance despite a slightly slower response time. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements. They are the ultimate choice for applications where efficiency is paramount, providing unparalleled energy-saving advantages without compromising on performance.
| 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 unwavering performance excellence.;
HLPSV: Variable Displacement Pump - Experience adaptability like never before.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability::
2-G3/8; Compact design meets efficient performance.
3-G1/2; Built for reliability and robustness.;
4-G3/4; Experience advanced connectivity.;
5, 55-G1; Achieve superior flow rates effortlessly.;
6-G1 1/4; Performance that stands unmatched.;
(3) Additional Components and Specifications - Boosting your system capabilities::
C,Standard Type - A dependable baseline for assured functionality.;
G,Throttle Valve (For HLPSL only) - Delivering precision control at its finest.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized for superior flow management.;
(4) Pilot Oil Circuit Pressure Options - Tailor your pressure control experience:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Customize to meet your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined for peak efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, energizes when unpowered; D./F. . , Equipped with pressure limiting valve for secondary pressure (F50) with specified pressure value; Ensures advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Configure settings at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Guaranteeing optimal pressure control.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application.
(8)Thread size of directional spool valve ports A & B: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, strengthened inflow controller; 8, pre-selectable;
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N;
(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 the pressure of actuator ports A & B simultaneously; A---B---, limit the pressure of actuator ports A & B separately, 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;
(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);
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(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;
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;
(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; G122198704d
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 prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly embody the qualities of a national high-tech enterprise. Our expertise encompasses the comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering commitment to technological advancement and exceptional quality, positioning us as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this adaptable component is crucial for high-stakes applications such as emergency rescue missions, tunnel engineering, mining, and municipal service vehicles. We are proud to maintain strategic partnerships with leading domestic manufacturers, playing an instrumental 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 resolute in our mission to provide exceptional products, services, and solutions. Our ultimate goal is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide.
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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