Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation. Seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece, they guarantee 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 reliable systems, proficiently delivering unwavering performance to ensure smooth, efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - A model of flexibility and adaptability, offering remarkable versatility to suit a vast array of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, creating a dependable operational framework::
2-G3/8; Designed for compact efficiency, supporting streamlined and seamless operational flows.
3-G1/2; Engineered for sturdiness and dependability, providing a robust foundation for your system's integrity.;
4-G3/4; Featuring advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; Equipped with exceptional flow rates, perfect for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Offering unparalleled performance, deftly designed to excel in challenging environments and handle obstacles with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary levels::
C,Standard Type - A steadfast and reliable foundation, meticulously crafted to meet critical operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions to meet your specific operational demands seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when energized, unloading it when de-energized; D - Normally closed magnetic ball valve, unloading the pump when energized, pressurizing it when de-energized;D/F - Elevate your safety standards to new heights with our precision-engineered pressure limiting valve, intricately designed for secondary pressure (F50). This cutting-edge feature ensures unparalleled safety protocols, elevating operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component stands as a testament to adaptability, thoroughly accommodating diverse hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, expertly customized for HLPSV, guaranteeing impeccable pressure management across a broad array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents an engineering marvel, masterfully crafted for diverse applications, offering you a product that aligns seamlessly with your precise needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from an impressive array: 1, no inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, meticulously crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and extraordinary efficiency.
(10) Valve core function symbols: Discover a broad selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with superior output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver exceptional performance and 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 uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Perfectly tailor your system 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 option meticulously designed for precise control and functionality.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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 meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Dive into our array of meticulously crafted options, each designed for seamless adaptability and integration. Select from our expertly engineered choices, including /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, each representing the pinnacle of flexibility to perfectly cater to your specific requirements.
(16) End plate options: Discover our exceptional collection of finely tailored end plate solutions. E1 offers the standard option, featuring 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. Experience the innovative E3, equipped with a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve standards when powered, ensuring superior performance.
E4, crafted with a design similar to E1, distinguishes itself by integrating an internal discharge of pilot oil with a sealed port T. E5 emulates the capabilities of E2 with an internal discharge feature. Embrace the sophistication of E6, reflecting the advanced design of E3, with each variant guaranteeing enhanced discharge control for optimal system performance.
(17) Control voltage and anti-explosion cable options: Ensure your system's utmost safety and reliability with our range of meticulously tailored solutions. Choose from G12-12VDC, ideal for specialized applications requiring uncompromising safety and compatibility.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since the dawn of our journey in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of transformative innovation and unmatched excellence in the hydraulic industry. As a proud and prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), we shine brightly as a distinguished national high-tech enterprise. Our expertise is deeply rooted in the meticulous research, development, manufacturing, and sales of premium-grade hydraulic components. Our esteemed recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and superior quality. This unwavering dedication empowers us to lead the way as trailblazers in our field.
Our state-of-the-art Safety Atex Valve stands as our flagship product, epitomizing the pinnacle of advanced hydraulic system control. Masterfully designed for the rigors of construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances with leading domestic manufacturers, which fortify our significant role in localizing core hydraulic components for top-tier mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering 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 standards of excellence across the globe.
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.
Question:2. Do you have any MOQ limit for LED light orders?
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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