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 blending pressure, flow, and directional control into a singular, harmonious masterpiece. This synergy guarantees unparalleled performance and reliability across all applications. Typically comprised of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for integration into high-end hydraulic systems, proving indispensable for top-tier engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility across a vast array of applications.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation across all settings. In contrast, 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 distinguish themselves 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 - A cornerstone of unwavering reliability, this pump consistently delivers steadfast performance, ensuring that your system operates with unparalleled smoothness and efficiency.;
HLPSV: Variable Displacement Pump - Embodying the pinnacle of adaptability and versatility, this pump offers remarkable flexibility to suit an extensive array of operational requirements.;
(2) Connection Block Ports P & R Specifications - A symphony of precision and reliability, crafting a dependable operational framework::
2-G3/8; Designed for compact efficiency, it supports seamless and streamlined operational flows.
3-G1/2; This is engineered with robustness in mind, providing a solid and reliable foundation for your system's structural integrity.;
4-G3/4; Equipped with advanced connectivity, it offers superior control and enriches system integration.;
5, 55-G1; With exceptional flow rates, it's ideal for high-demand applications, ensuring reliable and consistent performance.;
6-G1 1/4; Delivering exceptional performance, it's expertly crafted to excel in challenging environments, tackling obstacles with ease.;
(3) Additional Components and Specifications - Raising system capabilities to remarkable new levels::
C,Standard Type - A reliable and trusted foundation, meticulously engineered to meet essential operational demands.;
G,Throttle Valve (For HLPSL only) - Offers precise control, significantly enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Customized solutions to seamlessly align with your specific operational demands.
(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, pressurizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered.D/F - Our state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50) boasts a meticulous design with a defined pressure value. This innovative feature is paramount in delivering unparalleled safety, enhancing both operational security and reliability to superior standards.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock a world of versatility with precision-engineered adjustable settings at levels of 63, 120, 210, 280, 315, 350, and 400 bar. This component exemplifies adaptability, expertly crafted to meet all hydraulic requirements. For configurations requiring simplicity, /NF signifies no pressure limiting valve, purposefully engineered for HLPSV to ensure flawless 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 an engineering marvel, meticulously crafted to suit every application, ensuring you receive a product perfectly tailored to your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for seamless and flawless 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, designed specifically 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 comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet distinct functional demands with precision.
(11) Output flow code for ports A & B: Achieve peak efficiency with available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed to ensure superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with options such as: 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 exact control and functionality.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with an 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), a combination of 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, meticulously engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Embrace versatility with our adaptable port options, meticulously engineered for seamless adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, ensuring optimal integration in diverse systems.
(16) End plate options: Experience our expertly crafted end plate selections: E1, the standard option, offering an external discharge of pilot oil with an external oil return control port T; E2, closely resembling E1 but enhanced with an additional port Y for added functionality; E3, featuring a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels upon activation.
E4, reflecting the design of E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T; E5 mirrors the enhancements of E2, also featuring internal discharge; E6 channels the sophistication of E3, each variant ensuring superior discharge control and reliability.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range like G12-12VDC, designed for specialization in safety-critical and demanding environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our grand inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and unmatched excellence within the hydraulic industry. As an illustrious subsidiary of the renowned China Baoan Group (stock code: 000009), we stand proud as a national high-tech enterprise of great distinction. Our profound expertise is reflected in our meticulous research, cutting-edge development, precise manufacturing, and strategic sales of premium hydraulic components. Our prestigious recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our relentless dedication to technological advancement and superior quality. This unwavering commitment firmly establishes us as frontrunners in our field, setting the stage for greater achievements.
Our enhanced Safety Atex Valve, the crowning jewel in our product lineup, represents the zenith of advanced hydraulic system control. This load-sensitive proportional valve is expertly engineered for construction machinery and heavy-duty equipment, becoming indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our dedication to delivering exceptional products, superior services, and innovative solutions. Our mission is to rise 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:Our typical production lead time is approximately one month following receipt of payment. This period allows us to meticulously prepare and execute stringent quality control processes, ensuring every product we deliver meets the highest standards of perfection. Our unwavering commitment is to achieve your complete satisfaction with our impeccable delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are pleased to offer exceptional flexibility with a very low minimum order quantity, allowing you to order even a single piece for sample verification. This empowers you to start your projects with ease and precision, perfectly aligning with your specific needs.
Question:3. How to proceed with an order for LED lights?
Answer: Start by sharing your detailed requirements or intended applications with us. We will then provide a custom quote designed for your specific needs or offer guidance based on our expertise. Once the drawings are finalized and the deposit is placed, we will confirm the order and begin production. We ensure that every specification is met with precision, delivering a seamless and customized solution tailored just for you.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 entirely possible. Please ensure you formally notify us before production begins and confirm the design based on the sample we provide. This ensures your branding is represented with the utmost precision and excellence, perfectly reflecting your brand identity.
Audited Supplier 
){kind=link}