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 - This robust and reliable keystone ensures consistent and steadfast performance, guaranteeing smooth and efficient operations across your entire system.;
HLPSV: Variable Displacement Pump - A versatile marvel, offering extraordinary adaptability and exceptional flexibility to cater to a diverse range of operational needs and requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging a resilient and trustworthy operational framework::
2-G3/8; Skillfully crafted for compact proficiency, this design supports streamlined and seamless operational flows effortlessly.
3-G1/2; Engineered with robustness and reliability in mind, this provides a solid foundation upholding your system's integrity with unwavering assurance.;
4-G3/4; Showcasing advanced connectivity, this option offers superior control and enhanced system integration.;
5, 55-G1; Designed for exceptional flow rates, it's ideal for high-demand applications, ensuring performance that's both consistent and reliable.;
6-G1 1/4; Delivering unmatched performance, this expertly crafted component excels in demanding environments, tackling challenges with remarkable ease.;
(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 with unwavering dependability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and unmatched dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing 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); Crafted to offer tailored solutions that seamlessly meet your specific operational demands with precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and control through intelligent design:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump with power, and unloading without; D - Normally closed magnetic ball valve, unloading the pump with power, and activating without;D/F - Behold the pinnacle of innovation with this state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). Crafted with a specifically defined pressure value, it stands as a marvel of engineering designed to elevate safety measures to new heights, providing unmatched operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into unmatched versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This remarkable component embodies adaptability, seamlessly aligning with every hydraulic need. The /NF configuration delivers systems without a pressure limiting valve, meticulously engineered for HLPSV, offering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, expertly crafted to suit every application, guaranteeing you a product perfectly aligned with your precise requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Select from an impressive array 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: Explore an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak performance with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unyielding dependability.
(12) Secondary pressure limitation options: Choose wisely 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 experience 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 functionality.
(14) Operation modes: Choose from a versatile array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion of 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover the pinnacle of versatility with our expertly crafted selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously engineered option ensures seamless adaptability and impeccable integration across a multitude of systems, promising unmatched performance and reliability.
(16) End plate options: Delve into our meticulously curated end plate solutions: E1, your trusted standard, provides an external discharge of pilot oil and an external oil return control port T. E2 builds on E1's reliability with an additional port Y for enhanced flexibility. E3 introduces a 2-position 3-way magnetic ball valve, which elevates the system pressure to safety valve levels upon activation, ensuring supreme safety and efficiency.
E4, echoing the design of E1, pioneers an internal discharge of pilot oil with a sealed port T for seamless functionality. E5 retains the features of E2, yet optimizes performance with an internal discharge. E6 embraces the sophisticated design of E3, guaranteeing superior discharge control across all variants, catering to advanced operational demands.
(17) Control voltage and anti-explosion cable options: Choose from our secure and comprehensive selection, including G12-12VDC, meticulously crafted to ensure safety and specialization in the most challenging environments, offering unmatched reliability and performance.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 been a shining beacon of innovation and unparalleled excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly etched in every endeavor. Our unmatched expertise in the meticulous research, development, manufacturing, and sales of top-tier hydraulic components exemplifies our commitment to perfection. Being designated as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological advancement and superior quality. This relentless dedication not only sets us apart but firmly establishes us as the vanguard leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, is the epitome of cutting-edge hydraulic system control. Masterfully engineered 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, significantly contributing to 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 delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting unrivaled standards of excellence across 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.
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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