Introducing a new era in hydraulic control with our HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These spectacular innovations unify pressure, flow, and directional control into a cohesive unit, delivering extraordinary performance and dependability. Constructed from three vital functional modules - connecting blocks, directional valves, and end plates - these valves are designed with precision for integration into premium hydraulic systems, crucial for elite engineering machinery. They expertly regulate the direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched accuracy and control. Standout features include a compact structure, exceptional energy efficiency, and stepless speed control. Additionally, they enable simultaneous operation of multiple actuators under varying loads, offering unparalleled performance and adaptability for any application.
The HLPSL valves are precisely crafted for constant displacement pump systems, promising unwavering and dependable operation. On the other hand, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may have a slightly slower response time, they are unparalleled in energy-saving performance, making them the ideal choice where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves are the leading solution for sophisticated hydraulic control demands.
| 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 - Your key to unlocking superior functionality:
HLPSL: Constant Displacement Pump - The cornerstone for unwavering operation and reliability.;
HLPSV: Variable Displacement Pump - Enjoy unmatched adaptability and versatility.;
(2) Connection Block Ports P & R Specifications - Precision engineering at its peak::
2-G3/8; Compact design for efficient space utilization.
3-G1/2; Built for robust and dependable performance.;
4-G3/4; Designed for advanced and seamless connectivity.;
5, 55-G1; Ensures superior flow rate and efficiency.;
6-G1 1/4; Delivers unmatched performance and reliability.;
(3) Additional Components and Specifications - Elevate system capabilities effortlessly::
C,Standard Type - A dependable baseline for all your hydraulic needs.;
G,Throttle Valve (For HLPSL only) - Experience precision control like never before.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterful flow management for peak efficiency.;
(4) Pilot Oil Circuit Pressure Options - Tailor your pressure control with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Customize your system for unparalleled performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamline your operations with 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; D./F. . , With pressure limiting valve for secondary pressure (F50) with a specified pressure value; Foster 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); Assure optimal pressure control and system safety.
(7) Product Series Classification - Identifying Excellence: Discover a curated selection of series, each crafted with precision to meet diverse application needs, ensuring unmatched performance.;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application: Experience superior adaptability with our expertly designed series, engineered for optimal integration across a multitude of applications.
(8)Thread size of directional spool valve ports A & B: Tailored with precision, our valves offer a range of thread sizes designed for seamless, reliable integration.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; Providing robust and versatile solutions for all your hydraulic control needs.
(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; Offering customizable control for precise hydraulic flow management.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Each symbol representing a unique functionality, crafted to enhance your system's performance.
(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); Ensure optimum flow rates tailored to your specific operational demands.
(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); Safeguard your system with customizable pressure regulation solutions.
(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; Maximize control with a range of options for precision on-demand functionality.
(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 versatile and tailored control modes, ensuring your system operates with precision and ease.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Providing flexibility and compatibility to meet varying operational requirements.
(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 innovative end plate designs for enhanced system stability and safety.
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; Advanced sealing options tailored to protect and optimize your hydraulic system's performance.
(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; G12bd156042
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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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