Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. Meanwhile, 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 stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend of precision, reliability, and efficiency.
| 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 - Elevating operational coherence and performance.
HLPSL: Constant Displacement Pump - The unwavering cornerstone of consistent performance, ensuring your operations flow with smooth precision and unparalleled efficiency.;
HLPSV: Variable Displacement Pump - Embodying adaptability and flexibility, this pump offers unmatched versatility to cater to diverse operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here, ensuring sustained trustworthy operations and optimal functionality::
2-G3/8; Masterfully designed for compact efficiency, this connection caters to seamless operational flows with streamlined effectiveness.
3-G1/2; Engineered for robustness and dependability, providing an unwavering foundation for your hydraulic system.;
4-G3/4; Offering advanced connectivity options, delivering superior control and enhancing comprehensive system integration.;
5, 55-G1; With an enhanced flow rate, this option is tailored for high-demand applications, ensuring relentless performance and reliability.;
6-G1 1/4; Providing unrivaled performance, designed to excel in the field and conquer operational challenges with finesse.;
(3) Additional Components and Specifications - Elevate your system capabilities to extraordinary new heights::
C,Standard Type - A steadfast and reliable baseline, meticulously tailored to address your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency and effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes and manages flow, driving exceptional performance and steadfast dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions to suit varied applications seamlessly:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to effortlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining operational efficiency and enhancing control precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered; Providing sophisticated and efficient control solutions for complex operational requirements.D/F - This sophisticated component is equipped with a pressure limiting valve for secondary pressure (F50), featuring a meticulously specified pressure value. It offers a new level of advanced safety measures, ensuring the utmost security in operational environments.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Marvel at the adjustable settings ranging from 63 to 400 bar levels, epitomizing versatility and precision. Designed for simplicity, /NF indicates no pressure limiting valve, specifically fashioned for HLPSV, ensuring optimal pressure control in diverse hydraulic applications. A truly indispensable asset for your hydraulic systems.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is artfully crafted to cater to every application, ensuring a product that aligns perfectly with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration and exceptional performance.
(9)Directional valve block inflow controller options: An impressive selection includes: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each offering unmatched precision and efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet unique functional demands.
(11) Output flow code for ports A & B: Optimize efficiency with a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each flow meticulously tailored for superior performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, synchronized pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Customize your control with options like: N, without function ON/OFF or 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, each designed for precise and controlled functionality.
(14) Operation modes: Explore a variety of operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), merging electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, each designed for comprehensive management and adaptability.
(15) Ancillary block port sizes: Choose from a selection of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each meticulously engineered for seamless adaptability and integration into your system.
(16) End plate options: Discover a range of tailored end plate choices to suit your mining equipment needs: E1 offers a standard configuration with external discharge of pilot oil and an external oil return control port T; E2 mirrors E1's design but includes an additional port Y for enhanced functionality; E3 is equipped with a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels during power supply, ensuring superior control and reliability.
E4, resembling E1, features internal discharge of pilot oil and a sealing port T for compact efficiency; E5, akin to E2, is designed with internal discharge capabilities; E6, paralleling E3, guarantees sophisticated discharge control, offering a refined solution for your hydraulic system needs.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a selection of control voltage options, such as G12-12VDC, to ensure optimal safety and compatibility with specialized applications, providing peace of mind and adaptability in demanding environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
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.
Inquiry:1. What about the lead time?
Response:Our production lead time is generally about one month after the payment is received. During this period, we meticulously prepare and implement rigorous quality control measures to ensure each product arrives in impeccable condition. Delivering flawless products to ensure your utmost satisfaction is our primary focus.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We provide an exceptionally low minimum order quantity, allowing for maximum flexibility with the option to order even a single unit for sample assessment. This flexibility enables you to initiate your projects with confidence and precision, tailored perfectly to your specific needs.
Inquiry:3. How to proceed with an order for LED lights?
Response: To initiate your order, kindly share your detailed requirements or intended applications with us. We will then craft a bespoke quote tailored precisely to your needs or offer expert guidance. Once the drawings are confirmed and a deposit is placed, we will finalize your order and kickstart production, ensuring every specification is meticulously followed for a seamless, tailored solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Inquiry:4. Is it OK to print my logo on the product?
Response: Absolutely, this is entirely feasible. Please be sure to notify us formally before production commences and confirm the design based on the sample we provide. This ensures your branding is prominently and precisely displayed, capturing your identity with exceptional quality.
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