Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome of hydraulic innovation, masterfully blending pressure, flow, and directional control into one seamless, elegant system. This promises exceptional performance and reliability across all applications. Typically consisting of three vital components - connecting blocks, directional valves, and end plates - these valves are crafted with precision for integration into premium hydraulic systems, essential for superior engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key features include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. They further empower multiple actuators to operate concurrently under varying loads, offering unparalleled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, delivering unwavering and dependable operation in any environment. Conversely, the HLPSV valves are crafted with precision for variable pump systems. Although HLPSV valves may show a slightly slower response time, they excel in providing outstanding energy-saving performance, making them the ideal choice for applications where efficiency is crucial. With their state-of-the-art engineering and energy-saving design, HLPSV valves emerge as the ultimate solution for advanced hydraulic control needs, offering a perfect synergy 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
HLPSL: Constant Displacement Pump - The cornerstone of reliability, providing unwavering and steadfast performance, ensuring your system operates seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, offering remarkable flexibility that effortlessly caters to a diverse array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets dependability, creating a robust operational framework::
2-G3/8; Ingeniously crafted for compact efficiency, ensuring streamlined and unbroken operational flows.
3-G1/2; Designed for strength and dependability, forming a solid foundation for the integrity of your system.;
4-G3/4; With advanced connectivity features, offering superior control and enhanced system integration.;
5, 55-G1; Boasting superior flow rates, it is ideal for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Delivers unrivaled performance, expertly designed to excel in demanding environments and easily overcome challenges.;
(3) Additional Components and Specifications - Elevate your system's capabilities to new heights::
C,Standard Type - A reliable foundation, meticulously engineered to meet essential operational requirements with maximum efficiency.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailor-made solutions to flawlessly align with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes it when unpowered;D/F - Empowered with an intricately precision-engineered pressure limiting valve designed explicitly for secondary pressure (F50) with an exact pressure value, this state-of-the-art feature promises elevated safety protocols to fortify operational security and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace versatility and unparalleled precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bars. This component epitomizes adaptability, seamlessly accommodating all hydraulic requirements. For optimized configurations, /NF denotes the absence of a pressure limiting valve, specifically engineered for HLPSV, ensuring impeccable pressure management across a spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a paragon of craftsmanship, ingeniously tailored to meet every application, ensuring you acquire a product that precisely resonates with your particular demands.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously crafted for seamless and flawless integration.
(9)Directional valve block inflow controller options: Select from a range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an exhaustive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to satisfy particular functional requirements.
(11) Output flow code for ports A & B: Attain peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for top-tier performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unyielding system safety.
(13) Function ON/OFF and pressure outlet options: Customize with options such as: 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 crafted for precise control and functionality.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), an integration of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Take advantage of our versatile and customizable options designed for exceptional adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously engineered to ensure a seamless fit and integration into a wide range of hydraulic systems.
(16) End plate options: Explore our expertly crafted end plate solutions: E1, the standard choice, offers an external discharge of pilot oil and an external oil return control port T. E2 is similar to E1, enhanced with an additional port Y for greater functionality; E3 includes a 2-position 3-way magnetic ball valve, which elevates your system's pressure to safety valve levels when powered.
E4, thoughtfully designed like E1, integrates an internal discharge of pilot oil with a sealed port T; E5 mirrors the innovations of E2 while also featuring internal discharge; E6 brings the sophistication of E3, with each variant providing superior discharge control, ensuring optimal system performance.
(17) Control voltage and anti-explosion cable options: Choose from a spectrum of secure and compatible options such as G12-12VDC, tailored to enhance safety and specialization in even the most demanding applications.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 emerged as a beacon of innovation and unmatched excellence in the hydraulic industry. As a valued subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly uphold our status as a distinguished national high-tech enterprise. Our expertise is deeply rooted in the detailed research, development, manufacturing, and sales of premium hydraulic components. Our prestigious recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering dedication to technological advancement and superior quality. This steadfast commitment positions us as leaders in our field.
Introducing our enhanced Safety Atex Valve, the flagship product in load-sensitive proportional valve technology, representing the peak of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this adaptable component is crucial for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, playing a key role in localizing 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 unwavering 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 benchmarks of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
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Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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