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 reliability, ensuring your system operates with unwavering consistency and exceptional efficiency, providing smooth and dependable performance at all times.;
HLPSV: Variable Displacement Pump - The embodiment of flexibility and versatility, expertly designed to offer remarkable adaptability, catering to a broad spectrum of operational needs with unparalleled ease.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to create a robust and trustworthy operational framework::
2-G3/8; Expertly crafted for compact efficiency, this design supports streamlined and seamless operational flows with ease.
3-G1/2; Engineered with a focus on robustness and reliability, offering a sturdy foundation that ensures the integrity of your system.;
4-G3/4; Featuring cutting-edge connectivity, this port provides superior control and enhanced system integration for optimal performance.;
5, 55-G1; Designed for superior flow rates, this component is perfect for high-demand applications, ensuring consistent and reliable performance even under pressure.;
6-G1 1/4; This component delivers unmatched performance, expertly crafted to excel in challenging environments and tackle demanding tasks effortlessly.;
(3) Additional Components and Specifications - Take your system capabilities to new heights with these innovative features::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to meet and exceed essential operational requirements with unwavering reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management to drive unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option provides a tailored solution to seamlessly address your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximize efficiency and control with these versatile components:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizing it when unpowered; Each option ensures optimal performance tailored to your system's unique needs.D/F - Equipped with an exquisitely engineered pressure limiting valve for secondary pressure (F50), set at a specific value, this groundbreaking feature significantly boosts operational safety and reliability, ensuring peace of mind with advanced protection measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unmatched versatility with precision adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, perfectly tailored to fulfill all hydraulic needs. For seamless configurations, /NF indicates no pressure limiting valve, crafted specifically for HLPSV, guaranteeing impeccable pressure management for diverse applications.
(7) Product Series Classification - A Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a magnum opus of design excellence, ensuring optimal alignment with every application, so you receive a product that aligns seamlessly with 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, meticulously engineered for smooth, seamless 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, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unparalleled precision and superior efficiency.
(10) Valve core function symbols: Explore a complete suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet and exceed specific functional demands.
(11) Output flow code for ports A & B: Maximize efficiency and reliability with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance.
(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 precisely measured in bar, ensuring uncompromising system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Customize with choices 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 precision control and functionality.
(14) Operation modes: Select 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), combining 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, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Delve into our versatile selection, engineered for seamless integration and adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is expertly crafted to ensure perfect compatibility and ease of installation within your system.
(16) End plate options: Experience our meticulously crafted end plate solutions: E1, our standard choice, includes an external discharge of pilot oil and an external oil return control port T. E2 offers a similar design to E1 but is enhanced with an additional port Y for increased flexibility. E3 is engineered with a 2-position 3-way magnetic ball valve, providing an elevated system pressure level to safeguard valve operations when powered.
E4 is designed similarly to E1 but innovatively includes an internal discharge of pilot oil with a sealed port T. E5 mirrors E2's design, also offering internal discharge capabilities. E6 embodies the sophistication of E3, with each variant guaranteeing superior discharge control and reliability.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible options like G12-12VDC, each carefully tailored for safety and precise performance in challenging applications.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 for 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: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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Question:4. Is it OK to print my logo on the product?
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