Introducing our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering feats represent the pinnacle of hydraulic innovation, expertly blending pressure, flow, and directional control into one unified masterpiece. This ensures peerless performance and reliability in every application domain. Typically crafted with three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are meticulously designed for effortless incorporation into high-end hydraulic systems, crucial for advanced engineering machinery. They adeptly control the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a compact structure, remarkable energy efficiency, and the capacity for stepless speed regulation. Furthermore, they empower multiple actuators to function simultaneously under diverse loads, delivering exceptional performance and adaptability for any application scenario.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring unwavering and dependable operation in any setting. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in delivering remarkable energy-saving performance, making them the optimal choice for efficiency-critical scenarios. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control requirements, offering an ideal 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 - Experience the cornerstone of resilience and trust, delivering unwavering, reliable performance. It ensures that your system operates smoothly and efficiently, maintaining precision and functionality effortlessly.;
HLPSV: Variable Displacement Pump - Representing the pinnacle of flexibility and adaptability, it meets a wide spectrum of operational requirements. It is designed to seamlessly adapt to changing demands, offering exceptional control and efficiency.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here, forming a dependable operational framework. Crafted meticulously, it enhances reliability and ensures flawless performance in every application.:
2-G3/8; Optimized for compact efficiency, it supports streamlined operations. Engineered for precision, it guarantees top-notch performance in tight spaces, meeting high standards consistently.
3-G1/2; Built for strength and dependability, this connection is a robust foundation for system integrity. It offers lasting durability in demanding conditions, ensuring enduring system reliability.;
4-G3/4; Advanced connectivity at its best, offering superior control and integration. This design enhances your system's efficiency and control, boosting operational excellence.;
5, 55-G1; Designed for superior flow rates, it excels in high-demand situations. It ensures consistent performance, tackling high-pressure challenges effortlessly, making it indispensable in tough environments.;
6-G1 1/4; Delivering unparalleled performance, it is engineered to excel in challenging environments. This connection sets new power and performance standards, reinforcing its status as an industry leader.;
(3) Additional Components and Specifications - Elevating system capabilities beyond expectations. With advanced components, it redefines excellence, enhancing system performance to lead in industry standards.:
C,Standard Type - A trusted foundation, designed to meet essential operational needs. Providing unmatched reliability and steadfast support, it empowers your system to withstand daily rigors.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting system efficiency. It fine-tunes operations for maximum effectiveness, optimizing your system's performance effortlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering extraordinary performance and dependability. This component surpasses conventional performance limits, consistently achieving outstanding results.;
(4) Pilot Oil Circuit Pressure Options - Embrace customizable pressure control solutions that are meticulously crafted to suit your diverse application needs. These tailor-made configurations flawlessly align with your operational objectives, ensuring precision control and enhanced efficiency.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our bespoke solutions are thoughtfully designed to effortlessly meet your unique operational requirements, offering customizable configurations that allow you to achieve your desired results with exceptional ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Achieve unparalleled efficiency and control with this expertly engineered component. Designed to optimize your system's performance, it delivers exceptional control and unmatched operational effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered; These offer precision tuning for maximum system efficiency.D/F - Presenting a revolutionary, precision-engineered pressure limiting valve for secondary pressure (F50). Crafted with exceptional accuracy, it maintains a precisely defined pressure value, significantly enhancing safety measures and boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the zenith of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component exemplifies adaptability, meeting all hydraulic requirements with ease. The /NF configuration provides systems without a pressure limiting valve, specifically engineered for HLPSV, ensuring unmatched pressure control across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted to be a masterclass in design, expertly conceived to meet every application need, ensuring a product that perfectly matches your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from a wide array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and superior efficiency.
(10) Valve core function symbols: Delve into a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Attain peak performance with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered to provide supreme performance and steadfast dependability.
(12) Secondary pressure limitation options: Elevate your system's safety standards with our exclusive selection of secondary pressure limitation options. Choose 'N' for systems without pressure limiting features, 'C' for concurrent pressure limitation at actuator ports A & B, or 'A---B---' for independent pressure limitation tailored for ports A & B. Each selection is precisely calibrated in bar, ensuring steadfast and comprehensive protection for your operations.
(13) Function ON/OFF and pressure outlet options: Customize your hydraulic control system to perfection with our expertly designed options. Choose 'N' for systems without function ON/OFF or pressure outlet, 'X' for C type pressure limitation, 'S/S1' for AB type pressure limitation, 'A' for electrical ON/OFF functionality on side A, or 'B' for side B. Each option is engineered with precision to deliver dependable and efficient control.
(14) Operation modes: Experience unmatched control with our wide array of operation modes designed for precision and versatility. Opt for 'A(1,2)' for manual operation with your choice of a long or short handle, 'E' for electric proportional control, 'EA(1,2)' for a synergistic blend of electric and manual control, 'D' for electric switching value control, 'DA(1,2)' for combined electric and manual operation, 'M' for manual friction positioning with a long handle, 'H' for pure hydraulic control aligning pilot oil ports with A and B, or 'F' for hydraulic control with perpendicular pilot oil ports.
(15) Ancillary block port sizes: Discover unparalleled adaptability with our precisely engineered ancillary block port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1, each designed to ensure seamless integration and optimal performance across a range of systems, enhancing efficiency and reliability.
(16) End plate options: Delve into our expertly crafted end plate selections designed to enhance your system's performance. Choose 'E1' for external discharge of pilot oil and external oil return control port T. 'E2' elevates this with the addition of port Y for increased flexibility. Unleash the potential of 'E3' with a sophisticated 2-position, 3-way magnetic ball valve to safely elevate system pressure to safety valve levels when activated.
E4 provides a variation of E1 with an internal discharge of pilot oil and a sealed port T for improved efficiency. 'E5' offers the features of E2 with the benefit of internal discharge, ensuring superior performance. 'E6', akin to E3, provides advanced discharge control, catering to the demanding requirements of intricate systems.
(17) Control voltage and anti-explosion cable options: Ensure safety and reliability with our robust selection of control voltage and anti-explosion cable options. Select 'G12-12VDC' for applications demanding additional safety and reliability measures. Our offerings are tailored to provide specialized and secure solutions for various environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has soared to prominence, becoming a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is recognized as a national high-tech enterprise, highlighting our unwavering dedication to technological advancement and unmatched quality. Our unparalleled expertise encompasses comprehensive research, development, manufacturing, and sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain committed to excellence, continually fortifying our leadership in the field.
Introducing our flagship innovation: the groundbreaking Safety Atex Valve, which stands as the pinnacle of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a vital role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly leverage strategic partnerships with leading domestic manufacturers, significantly advancing the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our mission to deliver extraordinary products, services, and solutions. Our ambition is to emerge as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks of excellence on the world stage.
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.
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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.
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