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 - Embrace Efficiency and Adaptability
HLPSL: Constant Displacement Pump - The bedrock of steady and reliable performance, ensuring your operations flow with precision and ease.;
HLPSV: Variable Displacement Pump - A symbol of versatility, offering unmatched flexibility to adapt to a wide range of operational demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability, the cornerstones of consistent operations::
2-G3/8; Engineered for compact efficiency, facilitating smooth and efficient operation flows.
3-G1/2; Crafted for strength and reliability, providing a robust foundation for your system's demands.;
4-G3/4; Elevating connectivity to new heights, offering superior control and enhanced system integration.;
5, 55-G1; Designed for high flow rates, this option is ideal for high-demand applications, ensuring unwavering performance.;
6-G1 1/4; Delivering unparalleled performance, designed to excel and overcome field challenges.;
(3) Additional Components and Specifications - Elevating System Capabilities::
C,Standard Type - A dependable and trustworthy baseline, tailored to your essential needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, enhancing overall system performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored Pressure Control Solutions for Every Need:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Customized solutions to meet your specific operational requirements seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing Efficiency and Control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure (F50) at a predetermined pressure value; This feature provides cutting-edge safety measures, ensuring secure and reliable operations at all times.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings ranging from 63 to 400 bar levels, this component exemplifies ultimate versatility and precision. For those who appreciate simplicity, /NF denotes no pressure limiting valve, specifically crafted for HLPSV. This essential feature guarantees optimal pressure control in diverse scenarios, rendering it indispensable for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application, ensuring you receive a product that precisely fits your unique 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, designed for seamless integration and optimal performance.
(9)Directional valve block inflow controller options: Choose from 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each guaranteeing precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to meet specific functional requirements.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for peak performance.
(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 robust system safety.
(13) Function ON/OFF and pressure outlet options: Custom options include: 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 crafted for precision control.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with optional 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 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: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously designed for seamless adaptability.
(16) End plate options: Discover our meticulously tailored end plate offerings, which include: E1, the standard choice, featuring an external discharge of pilot oil and an external oil return control port T; E2, an advanced version of E1, boasting an additional port Y for enhanced functionality; E3, equipped with a 2-position 3-way magnetic ball valve that skillfully elevates system pressure to safety valve levels during power supply, ensuring maximum efficiency and reliability.
E4, paralleling E1, yet innovatively designed with an internal discharge of pilot oil, and featuring a sealing port T for secure operations; E5, paralleling E2, with the added benefit of internal discharge for optimal performance; E6, paralleling E3, each crafted to guarantee sophisticated discharge control mechanisms, elevating the standard of hydraulic control systems.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a variety of options such as G12-12VDC, which ensures safety and seamless compatibility with your specialized applications, providing peace of mind and operational assurance.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 been a beacon in the hydraulic industry, showcasing groundbreaking innovation and unmatched excellence. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly excel as a distinguished national high-tech enterprise. Our profound expertise shines in the meticulous research, pioneering development, high-precision manufacturing, and strategic sales of premium hydraulic components. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering devotion to technological advancement and superior quality. This relentless pursuit of excellence positions us as pioneers and frontrunners in the hydraulic field.
Our flagship creation, the load-sensitive proportional valve, is the epitome of cutting-edge hydraulic system control. Expertly engineered for the most demanding construction machinery and robust heavy-duty equipment, this versatile component is crucial for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships 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 stand resolute in our commitment to delivering exceptional products, unparalleled services, and innovative solutions. Our unwavering mission is to ascend as a globally trusted supplier of premier hydraulic components, continually setting new benchmarks of excellence on the world stage.
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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