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. On the other hand, 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
HLPSL: Constant Displacement Pump - The keystone of reliability, delivering consistent and steadfast performance, ensuring smooth operations throughout your system. Its unmatched dependability is the backbone of your hydraulic processes.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, offering extraordinary flexibility. It seamlessly accommodates a wide array of operational requirements, adapting to every unique demand.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows, maximizing efficiency and minimizing resistance.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity, ensuring durability and steady performance.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration, it elevates your operational capabilities.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance with unmatched reliability.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly, providing unrivaled adaptability.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements, ensuring flawless performance and reliability.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system with exceptional accuracy and efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability with advanced pressure control.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands, adapting to every pressure requirement with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control: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; Offering superior control and efficiency, optimizing unloading processes with precise management.D/F - Outfitted with an exquisitely crafted pressure limiting valve designed for secondary pressure (F50) with a specific pressure value, this state-of-the-art feature is a hallmark of advanced safety protocols, elevating operational security and dependability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover ultimate versatility and unmatched precision with customizable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, meeting all hydraulic demands. For seamless configurations, /NF denotes no pressure limiting valve, meticulously crafted for HLPSV, ensuring impeccable pressure management across a multitude of applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a paragon of design, expertly crafted to fit every application, ensuring you receive a product tailored precisely to your distinct requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from a spectrum: 1, without inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and unparalleled efficiency.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requisites.
(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 designed for superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting safeguard; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system security.
(13) Function ON/OFF and pressure outlet options: Tailor your choice 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 precisely engineered for optimal control and functionality.
(14) Operation modes: Choose from an array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend 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: Select from our versatile range of adaptable options, meticulously crafted for flawless adaptability and integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is expertly engineered to seamlessly fit into your systems, ensuring compatibility and a perfect fit for every application.
(16) End Plate Options: Explore our customizable and finely crafted end plate solutions: E1, our standard option, showcases an external discharge of pilot oil and an external oil return control port T. E2, closely modeled after E1, is enhanced with an additional port Y for added functionality. E3 is equipped with a 2-position 3-way magnetic ball valve, designed to elevate your system's pressure to safety valve levels when powered, ensuring superior system protection.
E4 offers a design similar to E1 but stands out with its innovative integration of internal pilot oil discharge and a sealed port T. E5 mirrors the E2 configuration but with internal discharge capabilities. E6 reflects the advanced sophistication of E3, with each variant designed to provide unparalleled discharge control.
(17) Control Voltage and Anti-Explosion Cable Options: Select from a secure and compatible range of options such as G12-12VDC. These are specially tailored for safety and excellence in demanding applications, ensuring your systems are equipped with the most reliable components.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Choose from an array of impeccable voltage options, each designed to meet the exacting standards of different applications.12bb621436
Stepping into the spotlight in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of innovation and excellence in the hydraulic industry. As an illustrious subsidiary of the reputable China Baoan Group (stock code: 000009), we proudly carry the torch as a national high-tech enterprise of distinction. Our prowess is reflected in our meticulous research, groundbreaking development, precision manufacturing, and strategic sales of top-tier hydraulic components. Our prestigious status as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our unwavering dedication to technological innovation and unparalleled quality. Fueled by this relentless drive, we secure our position as trailblazers within our industry.
Introducing our flagship marvel, the Enhanced Safety Atex Valve, a crowning achievement in advanced hydraulic system control. This load-sensitive proportional valve stands as a symbol of ingenuity, tailor-made for the rigorous demands of construction machinery and heavy-duty equipment. Its adaptability shines in high-pressure scenarios like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, seamlessly localizing core hydraulic components for sophisticated mechanical equipment. Anchored by our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unyielding in our pursuit of delivering unparalleled products, services, and solutions. Our vision is to ascend as a globally trusted purveyor of premier hydraulic components, setting towering benchmarks of excellence around the globe.
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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