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 cornerstone of reliability, this component guarantees consistent and steadfast performance, ensuring your system operates with smoothness and efficiency.;
HLPSV: Variable Displacement Pump - A true exemplar of adaptability and versatility, this pump offers remarkable flexibility to meet a vast range of operational demands effortlessly.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, establishing a dependable operational framework::
2-G3/8; Masterfully crafted for compact proficiency, this design supports streamlined, seamless operational flows.
3-G1/2; Expertly engineered for robustness and reliability, providing a strong foundation for your system's integrity.;
4-G3/4; Incorporating advanced connectivity, this port offers superior control and enhances system integration.;
5, 55-G1; Designed with superior flow rates, this is ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, this port is expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable, trusted foundation, meticulously crafted to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizing flow management, this valve drives unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke 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 tailored solutions to seamlessly meet your specific operational needs.
(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, energizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, energizing it when unpowered;D/F - Step into the future of hydraulic innovation with this state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). Equipped with meticulously defined pressure values, it stands as a testament to unparalleled engineering prowess. This marvel elevates safety measures to new heights, optimizing operational security and reliability with unmatched precision.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the ultimate in versatility and precision with this adjustable system, offering settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, effortlessly addressing every hydraulic requirement. The /NF configuration introduces systems devoid of a pressure limiting valve, specifically designed for HLPSV, ensuring unrivaled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, thoughtfully crafted to meet every application need, providing an impeccably tailored product for your unique specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Encompassing ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for seamless and flawless integration.
(9)Directional valve block inflow controller options: Explore a diverse selection of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, customized for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Uncover a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional demands.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your operation 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 engineered for precise control and optimal 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 fusion 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, purely hydraulic control (aligning pilot oil ports with oil ports A and B); F, purely hydraulic control with perpendicular pilot oil ports, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our meticulously crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is precisely engineered for seamless adaptability and flawless integration into a variety of complex systems, ensuring your hydraulic control needs are met with precision and efficiency.
(16) End plate options: Delve into our precisely engineered end plate selections: E1 serves as your standard choice, providing an external discharge of pilot oil and an external oil return control port T. E2 builds upon E1, augmented with an additional port Y for extra flexibility. E3 stands out with its 2-position 3-way magnetic ball valve, ensuring system pressure reaches safety valve levels upon activation, epitomizing safety and reliability.
E4 closely resembles E1 but innovatively incorporates an internal discharge of pilot oil paired with a sealed port T, perfect for streamlined operations. E5 parallels the enhancements of E2, offering internal discharge for optimized performance. E6 mirrors the advanced design of E3, guaranteeing sophisticated discharge control across every variant, catering to the most demanding hydraulic control applications.
(17) Control voltage and anti-explosion cable options: Choose from our secure, highly compatible range, such as G12-12VDC, designed for robust safety and specialization in the most rigorous applications, ensuring every operation is conducted with utmost reliability.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 shining beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is second to none. Being designated as a national 'specialized, refined, and innovative' small giant enterprise further underscores our unwavering dedication to technological advancement and superior quality. This relentless pursuit of excellence has clearly positioned us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, stands as a pinnacle of innovation, epitomizing the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable 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 the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new standards 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.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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.
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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