Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, gracefully uniting pressure, flow, and directional control into a seamless, harmonious masterpiece. This synthesis guarantees unparalleled performance and reliability in every application imaginable. Typically composed of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for integration into elite hydraulic systems, pivotal 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 include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under diverse 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 conceivable setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly more deliberate response time, they excel in delivering exceptional energy-saving performance, positioning them as 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 an exquisite 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 - An epitome of reliability, this component ensures that your system runs with unwavering efficiency and smoothness, facilitating seamless operations.;
HLPSV: Variable Displacement Pump - A masterclass in adaptability, offering extraordinary versatility to meet a diverse array of operational needs with finesse.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, crafting a dependable foundation for your operations::
2-G3/8; Tailored for compact efficiency, this specification supports a streamlined and fluid operational process.
3-G1/2; Built for strength and dependability, ensuring a robust foundation that upholds your system's integrity with confidence.;
4-G3/4; Engineered with advanced connectivity, this port delivers optimal control and superior system integration.;
5, 55-G1; Featuring outstanding flow rates, this is perfect for high-demand applications, consistently delivering reliable performance.;
6-G1 1/4; This port offers unparalleled performance, precisely engineered to thrive in challenging environments and handle demanding tasks effortlessly.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights of excellence::
C,Standard Type - A rock-solid and dependable foundation, crafted meticulously to fulfill core operational requisites.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, greatly enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving extraordinary performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailor-made pressure control solutions for a spectrum of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Crafted to provide customized solutions that perfectly align with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control to new domains:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, ceasing upon power loss; D - Normally closed magnetic ball valve, deactivating the pump when powered, activating when unpowered;D/F - Featuring a meticulously crafted pressure limiting valve, precisely engineered for secondary pressure (F50) with a specified pressure value, this state-of-the-art feature guarantees enhanced operational safety and reliability. It represents a quantum leap in safety measures, expertly securing your operations with unmatched precision and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of versatility and exceptional precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This innovative component is a testament to adaptability, adeptly meeting all hydraulic requirements. For streamlined configurations, /NF signifies the absence of a pressure limiting valve, meticulously engineered for HLPSV, ensuring impeccable pressure management across a multitude of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a work of art, expertly crafted to cater to every application, ensuring you obtain a product that perfectly aligns 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; featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for smooth and seamless integration, providing exceptional functionality.
(9)Directional valve block inflow controller options: Choose from an array of options: 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 remarkable efficiency.
(10) Valve core function symbols: Explore a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional demands with precision and efficacy.
(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 superior performance and unwavering 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 calibrated in bar, guaranteeing uncompromising system safety and security.
(13) Function ON/OFF and pressure outlet options: Tailor your system 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 designed for precision 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 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, expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Select from a versatile array of expertly designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These configurations are masterfully engineered for seamless adaptability and flawless integration into your systems.
(16) End plate options: Explore our meticulously crafted end plate solutions: E1, the standard choice, offering external discharge of pilot oil and an external oil return control port T. E2, similar to E1, enhanced with an additional port Y for extra functionality. E3, featuring a 2-position 3-way magnetic ball valve, which elevates your system's pressure to safety valve levels when activated, ensuring optimal performance.
E4, akin to E1 in design, creatively includes an internal discharge of pilot oil with a sealed port T for superior containment. E5 mirrors the design of E2, also featuring internal discharge, enhancing its efficiency. E6 presents the sophistication of E3, with each variant guaranteeing advanced discharge control and reliability.
(17) Control voltage and anti-explosion cable options: Opt for a diverse range of secure, compatible options like G12-12VDC, meticulously tailored for 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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed 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.
Our enhanced Safety Atex Valve, the flagship product, the load-sensitive proportional valve, is a testament to the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital 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 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 ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence 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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