Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering 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 - A cornerstone for consistent and reliable performance.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its finest.;
(2) Connection Block Ports P & R Specifications - Precision you can trust::
2-G3/8; Boasting compactness and efficiency.
3-G1/2; Renowned for its reliability and robustness.;
4-G3/4; Exemplifying advanced connectivity.;
5, 55-G1; Delivering superior flow rate performance.;
6-G1 1/4; Ensuring unmatched performance capabilities.;
(3) Additional Components and Specifications - Expanding and enhancing system capabilities::
C,Standard Type - A dependable baseline for all operations.;
G,Throttle Valve (For HLPSL only) - Precision control for refined adjustments.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management and control.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for diverse requirements:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option tailored to cater to your unique needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Designed for streamlined 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. . , Features an additional pressure limiting valve for secondary pressure (F50) with a specified pressure value; Contributing to advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Settings are available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Offering optimal pressure control to ensure system efficiency.
(7) Product Series Classification - Identifying excellence: Unveil the pinnacle of innovation with our expertly curated selection of product series.;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application. Each series is meticulously designed to cater to a diverse range of applications, ensuring precision and performance in every use case.
(8)Thread size of directional spool valve ports A & B: Our sophisticated valve ports offer various thread sizes, meticulously engineered to accommodate the finest distinctions in hydraulic configurations.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; Experience unmatched versatility and compatibility with a selection of sizes and accessory integration options.
(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; Customize your hydraulic solutions with a variety of inflow controller configurations designed to optimize flow and efficiency.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; A spectrum of valve core functions awaits, crafted to meet your exacting demands for functionality and flexibility.
(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); Unlock the power of precise flow management with our diverse range of output flow codes, ensuring optimal performance across all applications.
(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); Enhance system safety with our secondary pressure limitation options, tailored to protect your hydraulic infrastructure with unrivaled precision.
(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; Experience unparalleled control with our advanced function ON/OFF and pressure outlet configurations, designed to maximize operational efficiency and reliability.
(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); Discover a world of operational versatility with our comprehensive array of operation modes, each engineered to offer unmatched adaptability and precision.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Seamlessly integrate with various systems through our selection of ancillary block port sizes, designed to provide robust connectivity and easy installation.
(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; Experience the pinnacle of hydraulic system customization with our diverse end plate options, each crafted to enhance system performance and reliability.
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; Choose from a selection of innovative end plate solutions, featuring internal discharge options for enhanced system integrity and safety.
(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; G123d8c99f0
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and unparalleled excellence in the hydraulic industry. As a prestigious subsidiary under the esteemed China Baoan Group (stock code: 000009), we are recognized as a distinguished national high-tech enterprise. Our expertise encompasses comprehensive research, meticulous development, sophisticated manufacturing, and strategic sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise reflects our unwavering commitment to technological advancement and superior quality. This relentless dedication firmly positions us as leaders in our field.
Our flagship product, the Hydraulic Can Control Valve with Load Sensitive Technology for Efficiency, represents the pinnacle of advanced hydraulic system control. This expertly engineered component is essential for construction machinery and heavy-duty equipment, offering unmatched versatility in 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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