Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand at the forefront of hydraulic innovation, flawlessly merging pressure, flow, and directional control into a unified, elegant system. This ensures exceptional performance and unwavering reliability across diverse applications. Crafted with precision, these valves are typically comprised of three vital functional modules: connecting blocks, directional valves, and end plates, making them indispensable components of high-end hydraulic systems, essential for elite engineering machinery. They expertly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, guaranteeing unmatched precision and control. Key highlights include a sleek, compact structure, outstanding energy efficiency, and the ability for seamless, stepless speed control. Furthermore, these valves empower multiple actuators to function concurrently under varied loads, providing exceptional performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and unwavering operation in any setting. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in providing outstanding energy-saving performance, establishing them as the ideal choice for scenarios where efficiency is paramount. With their advanced engineering and energy-saving construction, HLPSV valves emerge as the leading solution for sophisticated hydraulic control requirements, offering a perfect synthesis 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 - Deciphering the Core of Your System's Excellence
HLPSL: Constant Displacement Pump - The foundation of unwavering stability and efficiency, delivering a consistent and reliable performance guarantee, ensuring your operations proceed with exemplary smoothness.;
HLPSV: Variable Displacement Pump - The epitome of flexibility, designed to seamlessly adapt and offer unrivaled versatility across diverse operational needs, elevating your system's capabilities to new heights.;
(2) Connection Block Ports P & R Specifications - A symbiosis of precision and dependability, crafting a robust framework for operations::
2-G3/8; Engineered for compact efficiency, these ports are crafted to facilitate smooth and uninterrupted operational flows with seamless integration.
3-G1/2; Built for strength and resilience, they form a steadfast foundation for the reliable integrity of your system.;
4-G3/4; Featuring cutting-edge connectivity, these ports offer superior control and enhanced integration, amplifying system performance.;
5, 55-G1; Designed for exceptional flow rates, these ports are perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Offering unmatched performance, these ports are expertly crafted to excel in challenging environments, effortlessly overcoming operational hurdles.;
(3) Additional Components and Specifications - Enhancing system potential to extraordinary levels::
C,Standard Type - A dependable and solid foundation, meticulously engineered to fulfill essential operational prerequisites with unwavering reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting the overall efficiency and responsiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly align with your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Advancing efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressure when powered, efficiently unloads when unpowered; D - Normally closed magnetic ball valve, efficiently unloads pump when powered, maintains pressure when unpowered;D/F - Featuring a precision-engineered pressure limiting valve for secondary pressure (F50) with a defined pressure value, this state-of-the-art feature ensures that advanced safety protocols are rigorously maintained, enhancing both operational security and reliability in cutting-edge applications.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the versatility and precision of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, meeting all hydraulic requirements. With streamlined configurations, /NF signifies no pressure limiting valve, expertly crafted for HLPSV, ensuring seamless pressure management across a spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterstroke, ingeniously designed to suit every application, ensuring you receive a product that flawlessly aligns with 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, crafted with precision engineering for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from an array: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a diverse array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Reach peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and unwavering 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 uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize with options like: 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 engineered for precise control and unmatched functionality.
(14) Operation modes: Choose from a range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Experience the pinnacle of adaptability with our expertly engineered port size options, designed for seamless integration: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Choose flexibility and precision in every application.
(16) End plate options: Elevate your system's performance with our meticulously crafted end plate solutions. E1, the standard bearer, features an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but is enhanced with an additional port Y for increased versatility. E3 takes it further with a 2-position 3-way magnetic ball valve, elevating your system's pressure to optimal safety valve levels when activated.
E4 shares the design ethos of E1, ingeniously integrating internal discharge of pilot oil with a sealed port T for enhanced performance. E5 replicates the features of E2, complete with internal discharge, while E6 embodies the sophistication of E3. Each variant ensures superior discharge control tailored for advanced applications.
(17) Control voltage and anti-explosion cable options: Secure your operations with our range of reliable control voltage and anti-explosion cable choices. Options like G12-12VDC are meticulously tailored for safety and specialization in the most demanding environments.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 of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. Our core strength lies in the precise research, development, manufacturing, and distribution of high-quality hydraulic components. Our designation as a national 'specialized, refined, and innovative' small giant enterprise highlights our relentless pursuit of technological progress and superior standards. This unwavering dedication positions us as leaders in our field.
Our flagship product, the enhanced Safety Atex Valve, exemplifies the pinnacle of advanced hydraulic system control. This load-sensitive proportional valve is expertly crafted for construction machinery and heavy-duty tasks, making it indispensable for critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic partnerships with leading domestic manufacturers, contributing significantly to the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our mission to deliver outstanding products, services, and solutions. Our vision is to rise as a globally trusted provider of premier hydraulic components, setting new standards 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 period, we meticulously prepare and uphold stringent quality control processes, ensuring that each product is delivered to you in pristine condition. Our primary commitment is to exceed your expectations with flawless delivery, guaranteeing your complete satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are proud to offer an exceptionally low minimum order quantity, allowing you the flexibility to order as little as a single piece for sample verification. This adaptability ensures that you can seamlessly begin your projects, easily accommodating your unique requirements with precision and ease.
Question:3. How to proceed with an order for LED lights?
Answer: Start by communicating your detailed requirements or intended applications to us. We will craft a custom quote specifically for you, based on your needs or our expert advice. Once the drawings are finalized and a deposit is made, we formalize the order and initiate production. We ensure every specification is met with precision, delivering a seamless and customized solution tailored to you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed to perfection for a seamless and custom solution.
Question:4. Is it OK to print my logo on the product?
Answer: Certainly, this is entirely feasible. Please ensure you notify us formally before the commencement of production and confirm the design based on the sample we provide. This ensures your branding is represented with exceptional precision and quality, perfectly reflecting your identity.
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