Experience a groundbreaking transformation in hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just components; they are a testament to engineering mastery and pioneering hydraulic innovations. Merging pressure, flow, and directional control into one unified design, these valves offer extraordinary performance and steadfast reliability for every application imaginable. Crafted with unparalleled precision, they feature three essential functional modules: connecting blocks, directional valves, and end plates. Each element is meticulously engineered to integrate seamlessly into elite hydraulic systems, a necessity for top-of-the-line engineering machinery. These valves provide exquisite regulation of movement direction and speed for hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key advantages include a sleek, compact architecture, outstanding energy efficiency, and the unique capability of stepless speed modulation. They also enable the concurrent operation of multiple actuators under varying loads, delivering unmatched performance and adaptability across a broad spectrum of applications.
The HLPSL valves are expertly engineered for systems with constant displacement pumps, guaranteeing unwavering and dependable functionality in all conditions. Conversely, the HLPSV valves are purposefully designed for systems with variable pumps. Despite a slightly slower response time, HLPSV valves are distinguished by their incredible energy-saving features, making them the quintessential choice when efficiency takes precedence. With cutting-edge engineering and an eco-friendly design, these valves emerge as the premier solution for advanced hydraulic control requirements, harmoniously blending superior precision, reliability, and energy efficiency into one cohesive 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 - Embrace cutting-edge hydraulic solutions with our No Magnetic Ball Valve; F - Our Normally Open Magnetic Ball Valve is engineered to perfection, allowing seamless pump pressurization when powered and efficient unloading when unpowered; D - Experience unparalleled performance with our Normally Closed Magnetic Ball Valve, designed to facilitate pump unloading when powered and ensure robust pressurization when unpowered;D/F - Elevate your operational safety to new heights with our meticulously crafted pressure limiting valve, designed specifically for secondary pressure (F50). This pioneering feature sets a new benchmark in safety protocols, dramatically boosting your system's security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover revolutionary adaptability and precision with our tool-adjustable pressure limiting valve. With customizable pressure settings ranging from 63 to 400 bar, this component exemplifies versatility, fully catering to a multitude of hydraulic needs. Our /NF option, representing no pressure limiting valve, is expertly tailored for HLPSV, ensuring flawless pressure management for a vast array of applications.
(7) Product Series Classification - Where Engineering Craftsmanship Meets Innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to engineering prowess, meticulously crafted to meet a spectrum of applications, offering you a product that aligns perfectly with your specific requirements.
(8)Thread Size of Directional Spool Valve Ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; also available with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with unmatched precision for flawless integration and operational excellence.
(9)Directional Valve Block Inflow Controller Options: Opt for a diverse selection: 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 engineered to deliver exceptional precision and efficiency.
(10) Valve Core Function Symbols: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional demands and provide unparalleled performance.
(11) Output Flow Code for Ports A & B: Optimize efficiency with maximum output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously crafted to ensure superior performance and 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 uncompromised system safety.
(13) Function ON/OFF and Pressure Outlet Options: Customize your hydraulic system with options including: 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 designed for precise control and unmatched functionality.
(14) Operation modes: Immerse yourself in a world of versatile control with our diverse selection of operation modes, each meticulously engineered for precision and adaptability. Choose from: A(1,2) - manual operation with your choice of a long or short handle; E - electric proportional control that ensures smooth, responsive actions; EA(1,2) - a harmonious blend of electric proportional control and manual operation; D - electric switching value control for seamless transitions; DA(1,2) - a powerful combination of electric switching value control and manual operation; M - manual friction positioning with a convenient long handle; H - pure hydraulic control, aligning pilot oil ports seamlessly with oil ports A and B; and F - pure hydraulic control featuring perpendicular pilot oil ports, designed for comprehensive and exact control.
(15) Ancillary block port sizes: Elevate your system's adaptability and integration with our exquisite port size solutions. Each option is masterfully crafted to deliver unparalleled flexibility and efficiency: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. These expertly designed sizes ensure that your specific needs are met with precision, enhancing your system's performance and adaptability.
(16) End plate options: Discover our extraordinary collection of precisely engineered end plate innovations. E1 sets the benchmark with its external pilot oil discharge and external oil return control port T. E2 elevates functionality by adding an extra port Y, while E3 introduces a groundbreaking 2-position 3-way magnetic ball valve. This innovative feature elevates your system's pressure to premier safety valve levels when activated, guaranteeing superior performance and reliability.
E4 mirrors the excellence of E1 with an internal pilot oil discharge and a securely sealed port T. E5 enhances E2's exceptional design by incorporating internal discharge capabilities. Embrace cutting-edge technology with E6, which echoes E3's pioneering design. Each variant promises unrivaled discharge control, ensuring your system consistently operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive range of expertly tailored solutions. Select G12-12VDC for specialized applications requiring uncompromised safety and seamless compatibility.G24: Choose this exceptional option for steadfast performance and unwavering dependability, ensuring your system runs smoothly and efficiently.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these meticulously engineered options, designed for peak efficiency and adaptability even in the most challenging environments.12: Embodying precision and reliability, this option is expertly crafted for flawless integration into your systems, ensuring consistent and optimal performance.bb621436: This code represents the epitome of excellence, setting a benchmark in our pioneering design, and ensuring your system stands out in performance and innovation.
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, epitomizes the zenith of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this indispensable component is crucial 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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