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 bedrock of unwavering dependability, engineered to deliver a steady and reliable performance, ensuring your system operates seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - An epitome of flexibility and innovation, masterfully designed to adjust and accommodate various operational needs with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision converges with dependability, establishing a steadfast operational foundation::
2-G3/8; Expertly crafted for compact efficiency, facilitating streamlined and unobstructed operational flow.
3-G1/2; Built for strength and reliability, offering a robust foundation for your system's enduring integrity.;
4-G3/4; Incorporating advanced connectivity for superior control and enhanced system integration.;
5, 55-G1; Designed with exceptional flow rates for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Exemplifying unmatched performance, crafted to excel in rigorous environments with ease.;
(3) Additional Components and Specifications - Pushing system capabilities to extraordinary levels::
C,Standard Type - A steadfast and trusted base, meticulously engineered to fulfill crucial operational demands.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for an array of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering customized solutions to perfectly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, and offloading it when unpowered; D - Normally closed magnetic ball valve, offloading the pump when powered, and activating it when unpowered;D/F - This state-of-the-art system is equipped with a precision-engineered pressure limiting valve (F50) that meticulously defines secondary pressure values. This advanced feature fortifies operational security and reliability, ensuring superior safety measures are seamlessly integrated.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, catering to all your hydraulic requirements. The /NF option signifies the absence of a pressure limiting valve, expertly designed for HLPSV, ensuring precise pressure management across diverse 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, crafted to meet every application requirement, ensuring a perfect match for 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 additional blocks or the ZPL 5S(V)/H intermediate transition block, expertly engineered for flawless hydraulic control shut-off and seamless integration.
(9)Directional valve block inflow controller options: Explore a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, optimized for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and remarkable efficiency.
(10) Valve core function symbols: Unveil a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to fulfill specific functional needs.
(11) Output flow code for ports A & B: Maximize your system's efficiency with peak output flows available in 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, all engineered for optimal performance and dependability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, collective pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your setup 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, all precisely engineered for superior control and functionality.
(14) Operation modes: Select from a variety 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), combined 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, designed for comprehensive and exact control.
(15) Ancillary block port sizes: Select from a versatile array of options designed for ultimate flexibility: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously crafted for effortless adaptability and seamless integration into your system.
(16) End plate options: Explore our expertly designed end plate configurations: E1, the standard choice, with an external discharge of pilot oil and an external oil return control port T; E2, akin to E1, but enhanced with an extra port Y for added versatility; E3, featuring a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve standards when activated.
E4, similar to E1 in design, yet ingeniously incorporates an internal discharge of pilot oil with a sealed port T; E5 mirrors E2, also with internal discharge; E6 embodies the refinement of E3, each variant providing superior discharge management.
(17) Control voltage and anti-explosion cable options: Select from a secure and compatible range, such as G12-12VDC, tailored for enhanced safety and specialization in challenging 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 renowned China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. At the heart of our operations is the dedicated research, development, manufacturing, and sales of top-tier hydraulic components. Our accolade as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to advancing technology and delivering superior quality. This steadfast dedication has propelled us to the forefront of our industry.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. This load-sensitive proportional valve is meticulously designed for construction machinery and heavy-duty equipment. It plays an indispensable role in high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with numerous leading domestic manufacturers, significantly contributing 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 unwavering in our commitment to delivering remarkable products, services, and solutions. Our mission is to rise as a globally trusted supplier 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 subsequent to payment receipt. Within this period, we engage in thorough preparations and uphold stringent quality control measures, ensuring that each product arrives to you in impeccable condition. Your utmost satisfaction through our flawless delivery is our unwavering commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, enabling the convenience of ordering as few as a single piece for sample verification. This flexibility allows you to start your projects with maximum ease and precision, accommodating your exclusive requirements effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, whether based on your unique needs or through our expert guidance. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution designed just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring 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 feasible. Kindly ensure that you formally notify us before production begins and confirm the design based on the sample we provide. This ensures your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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