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 - Serving as the cornerstone of consistent and unwavering performance, this pump ensures your operations are smooth and flawlessly efficient, operating at peak reliability.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability and flexibility, this pump offers unparalleled versatility to seamlessly meet the diverse and intricate operational needs of your enterprise.;
(2) Connection Block Ports P & R Specifications - Emphasizing precision and reliability, these specifications guarantee that your operations are underpinned by trustworthy and steadfast performance metrics::
2-G3/8; Carefully designed for compact efficiency, this specification caters to streamlined and seamless operational flows, maximizing productivity.
3-G1/2; Constructed for robustness and dependability, this specification offers a solid foundation, ensuring your system's operations are consistently reliable.;
4-G3/4; Delivering advanced connectivity, this option ensures superior control and facilitates enhanced system integration, optimizing your operations.;
5, 55-G1; With an impressive flow rate, this option is meticulously crafted for high-demand applications, promising consistent high-level performance.;
6-G1 1/4; Providing unparalleled performance, this design is tailored to excel in challenging conditions, overcoming obstacles with ease and efficacy.;
(3) Additional Components and Specifications - Elevating your lifting system capabilities to unprecedented heights::
C,Standard Type - This reliable and trustworthy baseline is expertly tailored to fulfill your essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - This component ensures precision in control, enhancing overall system efficiency and delivering exceptional performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability, even in the most demanding scenarios.;
(4) Pilot Oil Circuit Pressure Options - Crafting customized pressure control solutions tailored to varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our solutions are designed to seamlessly meet your specific operational needs, offering adaptability and precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining system efficiency and enhancing control dynamics:C - No magnetic ball valve; F - Normally open magnetic ball valve, skillfully pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, expertly unloading the pump when powered and pressurizing it when unpowered;D/F - Comes equipped with a state-of-the-art pressure limiting valve for secondary pressure (F50), meticulously designed to set a specific pressure value. This advanced feature enhances safety measures, ensuring secure and reliable operations in critical environments.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at precise levels of 63, 120, 210, 280, 315, 350, and 400 bar. It epitomizes excellence in both versatility and precision. For those who prefer simplicity, the option /NF is available, featuring no pressure limiting valve, specifically designed for HLPSV, ensuring optimal pressure control across a myriad of scenarios, making it indispensable for your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to suit every application, providing a product that is tailored to meet your exacting 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 for seamless integration into your system.
(9)Directional valve block inflow controller options: Choose from a range of expertly designed options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller suitable for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional demands.
(11) Output flow code for ports A & B: Maximize operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for exceptional performance.
(12) Secondary pressure limitation options: Options include: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, meticulously measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with customizable options: 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 designed for precision and control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with the option of a 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 a 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, engineered for comprehensive control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability, ensuring a perfect fit for your system requirements.
(16) End plate options: Discover our tailored end plate choices that promise to cater to your specific requirements. Our options include: E1, a standard configuration equipped with an external discharge of pilot oil along with an external oil return control port T, which ensures seamless operations. E2, which mirrors E1, introduces an additional port Y for enhanced versatility. E3, featuring a 2-position 3-way magnetic ball valve, skillfully elevates the system pressure to safety valve levels during power supply, offering superior safety and reliability.
E4, designed akin to E1, boasts an internal discharge of pilot oil and seals port T, providing a compact and efficient solution. E5 mirrors E2 with its internal discharge capabilities. E6, similar to E3, guarantees sophisticated discharge control, making it a prime choice for those seeking excellence in performance.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our expertly crafted options like G12-12VDC, which ensures unmatched safety and compatibility for specialized applications that demand the utmost precision and reliability.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 revolutionized the hydraulic industry with innovation that stands at the forefront of excellence. As a prestigious member of the renowned China Baoan Group (stock code: 000009), we are celebrated as a national high-tech enterprise. Our unwavering focus is on the precise research, development, manufacturing, and distribution of superior hydraulic components. Our recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological progress and exceptional quality, placing us as leaders in the industry.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control technology. Meticulously crafted for construction machinery and robust equipment, this indispensable component is crucial for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are honored to engage in strategic partnerships with a multitude of leading domestic manufacturers, significantly contributing to the localization of essential hydraulic components for elite mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our pursuit of delivering outstanding products, services, and solutions. Our mission is to rise as a globally esteemed supplier of top-tier hydraulic components, setting unmatched standards of excellence across the globe.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.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 certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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