Step into the future of hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. More than mere hydraulic components, they represent a pinnacle of engineering brilliance and avant-garde hydraulic innovation. Our valves integrate pressure, flow, and directional control into a single, harmonious unit, delivering remarkable performance and steadfast reliability in every application. Engineered with unparalleled precision, they feature three core functional modules - connecting blocks, directional valves, and end plates - meticulously crafted for seamless integration into elite hydraulic systems, indispensable for high-caliber engineering machinery. These valves offer precise regulation of motion direction and speed for hydraulic cylinders, motors, and other actuators, providing unmatched accuracy and control. Key features include a sleek, space-efficient design, exceptional energy efficiency, and the capability for smooth, continuous speed modulation. They allow multiple actuators to operate in unison, each under different load conditions, ensuring superior performance and adaptability across a wide range of applications.
The HLPSL valves are meticulously engineered for constant displacement pump systems, guaranteeing consistent, reliable operations in any situation. In contrast, the HLPSV valves are designed with precision for variable pump systems. Despite a slightly slower response, HLPSV valves are distinguished by their exceptional energy-saving capabilities, making them the perfect choice when efficiency is a priority. These valves, with cutting-edge engineering and an environmentally conscious design, stand as the ultimate solution for sophisticated hydraulic control requirements, seamlessly merging flawless precision, reliability, and energy efficiency in a unified 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 - A steadfast powerhouse of dependability, it provides steady, unwavering flow, ensuring your system operates with seamless precision and reliability throughout its processes.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump offers unmatched flexibility, effortlessly catering to a broad spectrum of operational needs with exceptional ease and efficiency.;
(2) Connection Block Ports P & R Specifications - Where cutting-edge precision engineering meets steadfast reliability, forming a lasting and robust operational foundation::
2-G3/8; Engineered for compact efficiency, it ensures smooth, uninterrupted operational flows with exceptional ease.
3-G1/2; Designed for robust performance and reliability, it provides a strong, enduring foundation for maintaining the integrity of your system.;
4-G3/4; Featuring state-of-the-art connectivity, it delivers superior control and seamlessly enhances system integration.;
5, 55-G1; With outstanding flow rates, it's perfect for high-demand applications, ensuring consistent, reliable outcomes every time.;
6-G1 1/4; Offering unparalleled performance, this component is expertly crafted to thrive in challenging environments, overcoming obstacles with ease.;
(3) Additional Components and Specifications - Taking system capabilities to extraordinary new heights of excellence::
C,Standard Type - A pillar of reliability, meticulously engineered to meet essential operational needs with precision and excellence.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly enhancing the system's overall efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving extraordinary performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions to precisely meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions that perfectly align with your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with unparalleled precision and effectiveness:C - No magnetic ball valve; F - Experience seamless pump pressurization with our normally open magnetic ball valve, which activates pressurization when powered and unloads when unpowered; D - Enjoy efficient pump unloading with the normally closed magnetic ball valve, designed to unload when powered and pressurize when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve geared for secondary pressure (F50). This state-of-the-art feature ensures advanced safety protocols, dramatically boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings spanning 63 to 400 bar. This component epitomizes adaptability, fully accommodating a diverse range of hydraulic needs. For seamless configurations, /NF represents no pressure limiting valve, expertly tailored for HLPSV, ensuring impeccable pressure management across a broad spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, meticulously crafted to cater to diverse applications, providing you with a product that harmonizes flawlessly with your precise needs.
(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.
(9)Directional valve block inflow controller options: Select from a versatile array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precise performance and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements.
(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.
(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.
(13) Function ON/OFF and pressure outlet options: Customize your system with options such as: 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.
(14) Operation modes: Immerse yourself in a world of diverse operation modes that cater to every need: A(1,2), offering manual operation with a choice between long or short handle; E, showcasing electric proportional control for precision like never before; EA(1,2), a seamless blend of electric proportional control and manual finesse; D, featuring electric switching value control for dynamic performance; DA(1,2), the perfect harmony of electric switching value control complemented by manual operation; M, ensuring manual friction positioning with a long handle; H, providing pure hydraulic control by aligning pilot oil ports with oil ports A and B; and F, delivering pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously engineered for unparalleled comprehensive and precise control.
(15) Ancillary block port sizes: Transform your systems with our exquisitely crafted port size solutions, designed for flawless adaptability and seamless integration. Select from our meticulously engineered options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice provides unmatched flexibility and is expertly designed to meet your precise needs with exceptional efficiency and seamless adaptability.
(16) End plate options: Discover our extraordinary range of precisely designed end plate innovations. E1 sets a new benchmark with external pilot oil discharge and an external oil return control port T. Rise to the occasion with E2, introducing an additional port Y for enhanced functionality. Experience the revolutionary E3, incorporating a 2-position 3-way magnetic ball valve that elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, akin to E1, stands out with internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now enhanced with internal discharge capabilities. Boldly embrace advanced technology with E6, reflecting E3's innovative design. Each variant guarantees superior discharge control, ensuring your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC, ideal for specialized applications requiring uncompromised safety and compatibility.G24: The ultimate choice for robust performance and unwavering reliability, ensuring your system never falters.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these options, meticulously engineered for peak efficiency and adaptability across a multitude of challenging environments.12: The epitome of precision and reliability, expertly crafted for flawless integration within your systems, ensuring seamless operation.bb621436: A code synonymous with excellence, setting a new benchmark in our pioneering design 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, 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: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, guaranteeing that your every expectation is not only met but exceeded. We dedicate ourselves to a seamless experience, ensuring your peace of mind every step of the way.
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, allowing you to explore and innovate without constraints.
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, ensuring that the final product is a true reflection of your aspirations.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, crafted with the utmost care and attention to detail.
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, giving your products a distinct and professional appearance that resonates with your brand essence.
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