Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of engineering excellence! These innovative solutions seamlessly integrate pressure, flow, and directional control into one cohesive unit, ensuring unmatched performance and reliability that you can count on. Crafted with precision, these valves comprise three fundamental modules: connecting blocks, directional valves, and end plates, all meticulously designed for seamless integration into high-end hydraulic systems. They play a pivotal role in top-tier engineering machinery, precisely regulating the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precision and control like never before. Key features include a compact structure that saves space, superior energy efficiency for cost-saving operations, and the ability for stepless speed control for optimal performance. Furthermore, these valves allow multiple actuators to operate concurrently under varying loads, offering unparalleled versatility and performance in any application.
Discover the expertly tailored HLPSL valves, specifically designed for constant displacement pump systems. These valves ensure steadfast and reliable operation, making them ideal for your hydraulic needs. On the other hand, our HLPSV valves are masterfully engineered for variable pump systems. While they may have a slightly slower response time, they excel in delivering exceptional energy-saving performance, positioning them as the ultimate choice for applications where energy efficiency is crucial. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, providing a blend of precision, reliability, and efficiency that is second to none.
| 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 - Key for consistent performance. This reliable option ensures steady operation in every scenario.;
HLPSV: Variable Displacement Pump - Adaptability at its finest. Tailor-made to meet varying demands and enhance versatility.;
(2) Connection Block Ports P & R Specifications - Precision you can trust::
2-G3/8; Compact and efficient, designed for seamless integration.
3-G1/2; Reliable and robust, ensuring long-lasting functionality.;
4-G3/4; Advanced connectivity, supporting enhanced operations.;
5, 55-G1; Superior flow rate, promoting high efficiency.;
6-G1 1/4; Unmatched performance, tailored for demanding tasks.;
(3) Additional Components and Specifications - Enhancing system capabilities::
C,Standard Type - Dependable baseline, offering consistent quality.;
G,Throttle Valve (For HLPSL only) - Precision control, fine-tuning flow with accuracy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management, balancing system pressures effectively.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for tailored performance:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your needs, ensuring precise pressure adaptation.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency for enhanced operation: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 specified pressure value; Advanced safety measures, ensuring dependable operation.
(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 with user-friendly adjustability.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application. Explore precision-engineered series designed for unparalleled performance in a variety of challenging environments.
(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; Providing versatile choices to suit distinct operational 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; Precision control options ensure optimal flow management for diverse operational requirements.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; A comprehensive range of core functions personalized to match your operational dynamics.
(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); Unleash the power of tailored output flow capacities to meet the most demanding specifications.
(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 safety and efficiency with customizable pressure limitation configurations.
(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; Versatile ON/OFF functionalities and pressure outlets for seamless operation and control.
(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 wide array of operation modes crafted for precision and adaptability to meet the evolving demands of your operations.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Versatile ancillary block sizes engineered for optimal compatibility and performance.
(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; Comprehensive end plate configurations designed for enhanced system safety and efficiency.
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 diverse range of internal discharge configurations tailored for secure and efficient system operations.
(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; G1257e14b5e
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has pioneered the hydraulic arena, crafting a legacy of groundbreaking innovation and unmatched excellence. As an esteemed subsidiary under the prestigious China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our core expertise is in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our designation as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering devotion to technological innovation and superior quality. This relentless pursuit of excellence positions us as leaders at the forefront of our industry.
Our flagship marvel, the load-sensitive proportional valve, stands as the zenith of hydraulic system control technology. Expertly crafted for construction machinery and robust heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic partnerships with numerous leading domestic manufacturers, playing a key role in localizing core hydraulic components for high-end mechanical equipment. Driven by our foundational philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new heights 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.
){kind=link}