Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just mere components; they represent a masterful blend of engineering excellence and cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a singular, cohesive unit, our valves deliver exceptional performance and unwavering reliability in every application. Crafted with precision, they consist of three integral functional modules - connecting blocks, directional valves, and end plates - designed meticulously for integration into top-tier hydraulic systems, essential for premier engineering machinery. These valves precisely regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Notable features include a sleek, compact design, superior energy efficiency, and the ability for stepless speed modulation. Moreover, they empower multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility across diverse applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, reliable operations in any scenario. In contrast, the HLPSV valves are meticulously crafted for variable pump systems. While they may exhibit a marginally slower response, HLPSV valves stand out for their outstanding energy-saving capabilities, making them the ideal choice when efficiency is paramount. These valves, with state-of-the-art engineering and eco-conscious design, emerge as the ultimate solution for sophisticated hydraulic control needs, combining impeccable precision, reliability, and energy efficiency in one seamless package.
| 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 resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Experience innovation with our no magnetic ball valve; F - Discover the simplicity of our normally open magnetic ball valve, allowing pump pressurization when powered and unloading when unpowered. D - Appreciate the efficiency of our normally closed magnetic ball valve, which facilitates pump unloading when powered and pressurization when unpowered, ensuring top-tier performance.D/F - Elevate your safety standards with our meticulously crafted pressure limiting valve, designed for secondary pressure (F50). This cutting-edge feature ensures the highest level of safety protocols, significantly enhancing both operational security and reliability for unparalleled peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This innovative component epitomizes adaptability, accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF signifies no pressure limiting valve, perfectly tailored for HLPSV, ensuring flawless pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to engineering brilliance, expertly designed to cater to diverse applications, providing you with a product that aligns seamlessly 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 ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for seamless integration and unmatched operation.
(9)Directional valve block inflow controller options: Choose from an extensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically crafted 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 engineered to meet and exceed specific functional requirements with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with outstanding output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously designed to deliver superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Select 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 your system's safety remains uncompromised.
(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 expertly crafted for precise control and exceptional functionality.
(14) Operation modes: Discover a world of possibilities with our versatile operation modes designed for unmatched efficiency and precision. Choose from: A(1,2), offering manual operation with choices of long or short handle; E, which provides electric proportional control; EA(1,2), an innovative blend of electric proportional and manual control; D, for electric switching value control; DA(1,2), combining electric switching with manual operation; M, featuring manual friction positioning with a long handle; H, delivering pure hydraulic control with alignment of pilot oil ports to ports A and B; F, embodying pure hydraulic control with perpendicular pilot oil ports. Each meticulously crafted for comprehensive, exacting control tailored to your needs.
(15) Ancillary block port sizes: Elevate your systems with our beautifully crafted port size solutions, ensuring perfect adaptability and seamless integration. Our expert designs offer a range of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Designed to provide unmatched flexibility, each option is meticulously tailored to meet your exact needs with exceptional efficiency.
(16) End plate options: Immerse yourself in our exceptional array of precisely-engineered end plate innovations. E1 sets the gold standard with external pilot oil discharge and an external oil return control port T. Choose E2 for added functionality with an extra port Y. Experience the revolution with E3, featuring a 2-position 3-way magnetic ball valve to elevate your system's pressure to premier safety valve standards when energized, promising superior performance and reliability.
E4, akin to E1, stands out with internal pilot oil discharge and a sealed port T. E5 parallels E2's excellence, now with internal discharge capabilities. Venture into cutting-edge technology with E6, reflecting E3's pioneering design. Each variant promises superior discharge control, ensuring your system operates at peak efficiency with optimal performance.
(17) Control voltage and anti-explosion cable options: Bolster your system's safety and reliability with our comprehensive range of expertly customized solutions. Opt for G12-12VDC, ideal for specialized applications requiring uncompromising safety and compatibility.G24: The ultimate selection for unwavering performance and dependable reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic choice with these options, engineered for peak efficiency and adaptability in diverse, demanding environments.12: Exemplifying precision and reliability, expertly engineered for seamless integration into your systems.bb621436: A code synonymous with excellence, setting a new benchmark in our groundbreaking design.
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, positioning us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, is the embodiment of cutting-edge hydraulic system control. Expertly 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, 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 crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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