Introducing our unparalleled HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to the forefront of hydraulic innovation. These extraordinary engineering marvels provide a seamless confluence of pressure, flow, and directional control, encapsulated into a singular, exquisite masterpiece. This sophisticated design assures unmatched performance and reliability across every application. Comprising three critical functional modules-connecting blocks, directional valves, and end plates-these valves are expertly crafted for integration into premium hydraulic systems essential for high-caliber engineering machinery. Masterfully controlling the movement direction and speed of hydraulic cylinders, motors, and other actuators, they deliver unmatched precision and control. Their remarkable features include a compact structure, heightened energy efficiency, and flawless stepless speed control. Moreover, they enable multiple actuators to function concurrently under various loads, providing unparalleled performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring robust and dependable operation across diverse environments. Conversely, the HLPSV valves are ingeniously developed for variable pump systems. Despite a marginally slower response, HLPSV valves excel in delivering superb energy-saving performance, making them the ideal choice for efficiency-driven applications. Their state-of-the-art engineering and energy-efficient design distinguish HLPSV valves as the premier solution for sophisticated hydraulic control needs, offering an impeccable blend of precision, reliability, and energy 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 unwavering backbone of your system, ensuring smooth, consistent, and reliable operation, and delivering steadfast performance across all applications.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and innovation, adapting seamlessly to diverse operational needs, providing exceptional versatility and operational excellence.;
(2) Connection Block Ports P & R Specifications - Precision and dependability combined, crafting a robust operational foundation::
2-G3/8; Designed for compact efficiency, ensuring seamless, streamlined operational flows with unmatched precision.
3-G1/2; Robust and reliable, offering a steadfast base for maintaining system integrity and exceptional performance.;
4-G3/4; Advanced connectivity at its finest, providing superior control and optimal system integration.;
5, 55-G1; Delivers impressive flow rates for high-demand applications, ensuring reliable, consistent performance every time.;
6-G1 1/4; Unrivaled performance, expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Raising system capabilities to new, extraordinary heights::
C,Standard Type - A dependable and trusted foundation, meticulously crafted to meet essential operational demands with assurance.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing your system's overall efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and unmatched dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions catered for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions meeting your specific operational requirements with seamless precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and control with expert precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, maintaining pump pressure when powered and unloading when unpowered; D - Normally closed magnetic ball valve, facilitating pump unloading when powered and pressurizing when unpowered;D/F - Equipped with a meticulously crafted, precision-engineered pressure limiting valve for secondary pressure (F50), this innovative feature sets a new standard for safety measures, ensuring unparalleled operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the realm of versatility and precision with adaptable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, addressing all hydraulic requisites. For seamless configurations, /NF signifies the exclusion of a pressure limiting valve, thoughtfully designed for HLPSV, guaranteeing impeccable pressure management across a spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series is a testament to expert craftsmanship, ingeniously designed to complement every application, ensuring a product that aligns flawlessly with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from an extensive range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, expertly designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exemplary efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each crafted with meticulous attention to meet specific functional demands.
(11) Output flow code for ports A & B: Achieve unrivaled efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior 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 precisely measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize with choices 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 diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a symbiosis 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover our expertly engineered adaptable options designed for seamless integration and versatility: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, ensuring precise adaptability for your specific needs.
(16) End plate options: Explore our meticulously tailored end plate solutions: E1, the standard selection, featuring an external discharge of pilot oil and an external oil return control port T; E2, crafted to closely resemble E1 but enhanced with an additional port Y for added functionality; E3, designed with a 2-position 3-way magnetic ball valve, raising your system's pressure to safety valve levels when powered, ensuring optimal performance.
E4, similar in design to E1, but with innovative integration of an internal discharge of pilot oil with a sealed port T for enhanced safety; E5 mirrors the design of E2, also featuring internal discharge capabilities; E6 reflects the sophistication of E3, with each variant ensuring superior discharge control for your peace of mind.
(17) Control voltage and anti-explosion cable options: Select from an array of secure and compatible choices such as G12-12VDC, engineered for safety and specialization in demanding environments, offering unmatched 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 been a beacon of groundbreaking innovation and unmatched excellence within the hydraulic industry. As a prestigious subsidiary of the renowned 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, constantly pushing the boundaries of what's possible with hydraulic technology.
Our flagship product, the Enhanced Safety Valve Technology for Truck Crane Equipment with Load Sensitive Features, stands as a pinnacle of advanced hydraulic system control. This expertly engineered load-sensitive proportional valve is indispensable for construction machinery and heavy-duty equipment, playing a crucial role in 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, which play 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 rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence and innovation worldwide.
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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