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 cornerstone of unwavering reliability, this pump ensures your system operates with seamless consistency and uncompromised efficiency.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, it offers remarkable versatility, catering to a vast spectrum of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets dependability, forming a reliable foundation for operations::
2-G3/8; Expertly crafted for efficient compactness, this design streamlines your system's operations for optimal fluidity.
3-G1/2; Built to withstand and endure, this robust configuration forms the bedrock of your system's strength and reliability.;
4-G3/4; With cutting-edge connectivity, it guarantees superior control and seamless system integration.;
5, 55-G1; Designed for high flow rates, this port is perfect for demanding applications, offering unwavering and reliable performance.;
6-G1 1/4; Engineered for exceptional performance, this design excels in tough environments, tackling challenges effortlessly.;
(3) Additional Components and Specifications - Pushing system capabilities beyond conventional limits::
C,Standard Type - A solid and dependable base, meticulously crafted to meet core operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, amplifying the overall performance efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, providing 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); Tailored to seamlessly align with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Advancing 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 - Dive into the future of hydraulic control with this state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). It boasts a meticulously defined pressure value, standing as a marvel of modern engineering. Designed with advanced safety measures, it optimizes operational security and reliability, setting new standards in the industry.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component represents adaptability, seamlessly meeting every hydraulic demand. The /NF configuration offers systems devoid of a pressure limiting valve, crafted with precision for HLPSV, ensuring unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a pinnacle of design, crafted to cater to every application. Assuring a product that aligns perfectly with your precise needs, each series exemplifies design mastery.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, they are expertly crafted for smooth and flawless integration, ensuring peak performance.
(9)Directional valve block inflow controller options: Choose from an impressive selection: 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 an extensive repertoire of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requisites, ensuring versatility and reliability.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and dependability, tailored to meet your demands.
(12) Secondary pressure limitation options: Select 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 uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your experience 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 functionality.
(14) Operation modes: Choose from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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: Revel in the flexibility of our meticulously crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is expertly designed to offer seamless adaptability and flawless integration into a diverse array of systems.
(16) End plate options: Discover our precisely engineered end plate solutions: E1, the standard-bearer, provides an external discharge of pilot oil and an external oil return control port T; E2, building on E1, incorporates an additional port Y for unparalleled flexibility; E3, featuring a 2-position 3-way magnetic ball valve, effortlessly elevates system pressure to safety valve thresholds upon activation.
E4, crafted with the ingenuity of E1, ingeniously combines an internal discharge of pilot oil with a sealed port T; E5 emulates E2's excellence, delivering internal discharge for peak performance; E6 echoes the sophisticated innovation of E3, ensuring superior discharge control across every variant.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized selection, such as G12-12VDC, engineered for safety and optimal performance in the most demanding conditions.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 consistently illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our esteemed reputation as a national high-tech enterprise is a testament to our commitment to superior quality and advancement. Our unmatched expertise in the detailed research, development, manufacturing, and sales of premium hydraulic components stands as a cornerstone of our operations. The honor of being designated a national 'specialized, refined, and innovative' small giant enterprise only underscores our unyielding dedication to technological progress. This steadfast commitment distinctly positions us as pioneers in our field.
Our flagship offering, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control technology. Expertly engineered for robust construction machinery and heavy-duty equipment, this adaptable component is vital for critical applications such as emergency rescue operations, tunnel engineering, mining endeavors, and municipal service vehicles. We proudly celebrate our strategic alliances with numerous leading domestic manufacturers, significantly advancing 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 resolute in our dedication 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 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.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. 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 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 certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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