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. Experience unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - our 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 include 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. Contrastingly, 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 - As the cornerstone of reliability, this pump ensures unwavering performance, delivering a seamless and efficient flow, vital for maintaining smooth operations across your entire system.;
HLPSV: Variable Displacement Pump - Standing as a symbol of adaptability and flexibility, this pump offers exceptional versatility, making it an ideal choice for a diverse array of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets dependable reliability, forming a steadfast operational backbone::
2-G3/8; Compact yet efficient, this port is crafted to support a streamlined, effortless operational flow.
3-G1/2; Built with durability and steadfastness in mind, it ensures a solid foundation for your system's reliability.;
4-G3/4; Enhanced connectivity for superior control, facilitating advanced system integration.;
5, 55-G1; Designed for high-flow demands, providing reliable and consistent performance in demanding applications.;
6-G1 1/4; Featuring unmatched performance capabilities, expertly crafted to thrive in challenging environments.;
(3) Additional Components and Specifications - Taking system potential to extraordinary levels::
C,Standard Type - A dependable and established foundation, meticulously engineered to fulfill critical operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, boosting the overall system's efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailoring solutions to flawlessly align with your unique 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, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Experience next-level safety and reliability with our sophisticated precision-engineered pressure limiting valve, specifically designed for secondary pressure (F50) with a set pressure value. This state-of-the-art feature elevates safety standards, reinforcing operational security and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, meeting all hydraulic demands. For optimized configurations, /NF signifies the absence of a pressure limiting valve, precisely engineered for HLPSV, guaranteeing impeccable pressure management across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series epitomizes craftsmanship, ingeniously tailored to suit every application, ensuring you obtain a product that seamlessly aligns with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; encompassing ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely crafted for streamlined and flawless integration.
(9)Directional valve block inflow controller options: Select from a distinguished array: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring exceptional precision and efficiency.
(10) Valve core function symbols: Explore an extensive range of core functions: L, M, F, H, J, B, R, O, N, each methodically engineered to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Attain optimum efficiency with peak output flows available in 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each configured for outstanding performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unrivaled system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 precise control and optimal functionality.
(14) Operation modes: Choose from a myriad 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), integrated 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: Explore our meticulously crafted, adaptable port sizes designed to offer seamless adaptability and integration into your systems. Options include /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, providing expertly engineered solutions for your diverse needs.
(16) End plate options: Unveil our expertly curated end plate selection for your specific requirements. E1, our standard choice, boasts an external discharge of pilot oil alongside an external oil return control port T. E2 mirrors E1 but includes an innovative additional port Y. E3 enhances your system with a 2-position 3-way magnetic ball valve, ensuring the elevation of system pressure to safety valve levels when activated.
E4, maintaining the external aesthetic of E1, offers a modern twist with an internal discharge of pilot oil and a sealed port T. E5, echoing E2's features, also incorporates internal discharge. E6 embodies the sophistication of E3, each of these variants offering superior discharge control to meet your advanced needs.
(17) Control voltage and anti-explosion cable options: Delve into our secure range of control voltage and anti-explosion cable options, tailored to meet your safety and specialization needs in demanding applications. Options include G12-12VDC, ensuring robust performance.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 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 enhanced Safety Atex Valve, the flagship product, the load-sensitive proportional valve, is a testament to 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:Our lead time typically extends over a period of one month post receipt of payment. This duration is dedicated to thorough preparation and the enforcement of stringent quality control measures to ensure each product reaches you in pristine condition. Our unwavering commitment is to guarantee your complete satisfaction with our perfect delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are delighted to offer a minimal minimum order quantity, allowing you to purchase as few as a single piece for sample verification purposes. This flexibility empowers you to effortlessly commence your projects with utmost convenience, addressing your specific needs and preferences with precision.
Question:3. How to proceed with an order for LED lights?
Answer: To initiate your order, please communicate your detailed requirements or intended applications to us. We will prepare a personalized quote tailored to your specific needs or offer expert advice. Once the specifications are finalized and a deposit is secured, we will process the order and commence production, ensuring meticulous compliance with every detail for a customized and seamless solution.drawings,and place a deposit to formalize the order. Ultimately, we will coordinate production, ensuring that every aspect is executed flawlessly to provide you with a seamless and bespoke solution.
Question:4. Is it OK to print my logo on the product?
Answer: Certainly, this is entirely possible. Please ensure that you inform us formally before production begins and verify the design based on the sample we provide. This ensures your branding is depicted with exceptional precision and quality, exquisitely reflecting your identity.
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