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 - The cornerstone of consistent and unwavering performance, this pump ensures your operations run smoothly and efficiently, maintaining the heartbeat of your system.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, it offers unparalleled versatility to meet diverse operational needs with precision and ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, these specifications ensure trustworthy operations and optimal performance::
2-G3/8; Designed for compact efficiency, these ports cater to streamlined and seamless operational flows, optimizing space and performance.
3-G1/2; Built for robustness and dependability, this port provides a solid foundation for your system, enhancing durability.;
4-G3/4; Offering advanced connectivity, this port delivers superior control and enhances system integration with innovative design.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance and reliability under pressure.;
6-G1 1/4; Providing unmatched performance, this robust port is designed to excel in the field and overcome diverse challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights with innovation and precision::
C,Standard Type - A reliable and trustworthy baseline, this component is tailored to your essential operational needs, offering dependable performance.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency and responsiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This component optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications, tailored to precise requirements:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly with flexibility.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control with intelligent design: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; These options provide strategic control and adaptability.D/F - Equipped with an advanced pressure limiting valve for secondary pressure (F50) featuring a pre-set pressure value, this product offers innovative safety measures to ensure secure operations in challenging environments.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This ingeniously designed component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, symbolizing the epitome of versatility and precision. For users who favor simplicity, /NF denotes the absence of a pressure limiting valve, specifically crafted for HLPSV. This feature ensures optimal pressure control across diverse scenarios, making it indispensable for all 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 customized to cater to every application, ensuring you receive a product that perfectly aligns with your precise requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration.
(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 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 array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet unique functional requirements with precision.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all tailored for optimal 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 unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Tailored 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 designed for unmatched precision control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a seamless blend 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, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for seamless adaptability and integration.
(16) End plate options: Discover a range of tailored end plate choices that cater to your specific needs. Available options include: E1, the standard model, equipped with an external discharge of pilot oil and an external oil return control port T for seamless operation. E2, similar to E1 but with the addition of a port Y for enhanced functionality. E3, featuring a 2-position 3-way magnetic ball valve that boosts system pressure to meet safety valve levels during power supply, ensuring superior safety and reliability.
E4, offering a solution akin to E1, but with internal discharge of pilot oil, and sealing port T to prevent leakage. E5 mirrors E2, with the addition of internal discharge for efficient performance. E6 is related to E3, each designed to ensure sophisticated and precise discharge control, providing peace of mind and operational excellence.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a variety of options like G12-12VDC, which guarantees safety and is fully compatible with specialized applications. This selection ensures that your operations are not only efficient but also secure, tailored to specific environmental demands.G24 provides robust performance and compatibility, enhancing your system's reliability and safety.-24VDC; explore options like G24Ex-3m-24VDC for extended reach and safety in hazardous environments. G12Ex-3m-12VDC offers the same reliability in a 12VDC model. Additionally, G24MA-3m-24VDC ensures maximum adaptability and efficiency for your operational needs, providing unparalleled performance.12bb621436
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 flagship product, the load-sensitive proportional valve, epitomizes 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:The production lead time is generally about one month after we receive your payment. During this time, we meticulously prepare and enforce rigorous quality control processes to ensure that each product arrives in flawless condition. Delivering unparalleled satisfaction through our impeccable service is our utmost commitment to you.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are pleased to offer a remarkably low minimum order quantity, which means you are free to order as little as one piece for sample verification. This exceptional flexibility empowers you to embark on your projects smoothly and with precision, catering to your distinct needs effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: To initiate your order, please provide us with your detailed requirements or intended applications. We will prepare a tailored quote for you, crafted to meet your specific needs or guided by our expert recommendations. Once the design drawings are confirmed and a deposit is placed, we will proceed to finalize the order and start production. We are dedicated to ensuring each specification is met with the utmost accuracy, offering you a streamlined and bespoke 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 ensure you formally notify us before production starts and confirm the design using the sample we provide. This guarantees that your branding is represented with the utmost precision and superior quality, perfectly reflecting your identity.
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