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 - Your bedrock of reliability, this pump is masterfully engineered to deliver unwavering performance, ensuring your system operates smoothly and efficiently under any condition.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, providing exceptional flexibility to meet diverse operational requirements with remarkable ease.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability unite to form an impeccable operational framework::
2-G3/8; Expertly crafted for compact efficiency, designed to facilitate seamless and streamlined operational flows with ease.
3-G1/2; Built for strength and reliability, this port provides a steadfast foundation for maintaining your system's integrity.;
4-G3/4; Featuring state-of-the-art connectivity, this port offers superior control and enhances system integration to new heights.;
5, 55-G1; Optimized for superior flow rates, perfect for high-demand applications, ensuring performance remains consistent and reliable.;
6-G1 1/4; Engineered to deliver unparalleled performance, expertly crafted to thrive in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented heights of excellence::
C,Standard Type - A foundation of trust and reliability, meticulously engineered to meet essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, greatly enhancing the overall efficiency and responsiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unmatched performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option provides tailored solutions to seamlessly meet your specific operational demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability. Experience unparalleled excellence in safety with our cutting-edge technology, ensuring your systems operate with the utmost precision and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully accommodating various hydraulic requirements. For seamless configurations, /NF denotes no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications. Experience the pinnacle of adaptability and precision with this expertly engineered valve.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise needs. Experience the perfect synergy of design and functionality with our meticulously crafted series, tailored to exceed your expectations.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for seamless integration and operation. Benefit from exceptional fit and function with our expertly designed threading options, ensuring flawless performance in every application.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency. Elevate your hydraulic systems with our superior controllers, crafted for peak performance.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements. Discover the perfect complement to your hydraulic needs with our diverse array of core functions, designed for excellence.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance and reliability. Achieve optimal flow and unmatched efficiency with our advanced output flow solutions, tailored for exceptional performance.
(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 measured in bar, ensuring uncompromised system safety. Safeguard your hydraulic systems with our precision pressure limitation options, crafted for ultimate 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 option meticulously engineered for precise control and functionality. Customize your control with our specialized ON/OFF and pressure outlet options, designed for precision and reliability.
(14) Operation modes: Choose from a diverse range 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, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all meticulously crafted for comprehensive and precise control. Discover unparalleled versatility and precision with our extensive range of operation modes, engineered for excellence.
(15) Ancillary block port sizes: Immerse yourself in our exquisite selection of meticulously designed options, crafted for seamless adaptability and integration. Choose from our expertly engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each offering unparalleled flexibility to perfectly align with your specific requirements.
(16) End plate options: Discover our exceptional selection of exquisitely tailored end plate solutions. E1 offers the standard configuration with an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but enhances it with an additional port Y. Experience the groundbreaking E3, featuring a 2-position 3-way magnetic ball valve, designed to elevate your system's pressure to safety valve levels when powered, ensuring unmatched performance.
E4, similar to E1, distinguishes itself with an internal discharge of pilot oil alongside a sealed port T. E5 replicates the features of E2 with the added benefit of internal discharge. Discover the sophistication of E6, echoing the advanced design of E3, each variant ensuring superior discharge control for optimal system performance.
(17) Control voltage and anti-explosion cable options: Ensure your system's safety and reliability with our range of customized solutions. Opt for G12-12VDC, ideal for specialized applications where uncompromising safety and compatibility are paramount.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, embodies 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:Our standard lead time for production is typically one month post-payment. During this critical period, we meticulously prepare and enforce our stringent quality control protocols, ensuring every product reaches you in pristine condition. Your satisfaction with our flawless delivery is our unwavering promise.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are delighted to offer an exceptionally low minimum order quantity, making it possible for you to order even a single piece for sample verification. This flexibility empowers you to begin your projects effortlessly and precisely, meeting your unique requirements seamlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the order process by sharing your detailed requirements or envisioned applications with us. We will then craft a bespoke quote tailored to your specific needs, drawing on our extensive expertise. Upon confirmation of the drawings and receipt of the deposit, we will formalize the order and commence production. We guarantee strict adherence to every specification, providing you with a seamless and customized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring that every detail is executed flawlessly for your tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Certainly, this is entirely possible. Please make sure to formally notify us before production begins and confirm the design based on the sample we provide. This ensures your brand is represented with the utmost precision and excellence, perfectly embodying your identity.
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