Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels are the epitome of hydraulic innovation, flawlessly merging pressure, flow, and directional control into a singular, harmonious masterpiece. This integration guarantees unparalleled performance and reliability across diverse applications. Typically composed of three crucial functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for seamless integration into high-end hydraulic systems, vital 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. Additionally, they empower multiple actuators to operate simultaneously under varying loads, providing 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. 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 imperative. With cutting-edge engineering and an 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 - Decoding the core components for optimal performance:
HLPSL: Constant Displacement Pump - The keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing 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 - Delve into unparalleled safety and reliability with our precision-engineered pressure limiting valve for secondary pressure (F50) that boasts a meticulously defined pressure value. This state-of-the-art feature ensures that top-tier safety measures are seamlessly implemented, elevating operational security and ensuring a steadfast performance.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock ultimate versatility and accuracy with our adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability and precision, serving every hydraulic need. For streamlined configurations, the /NF denotes no pressure limiting valve, expertly designed for HLPSV, delivering flawless pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a triumph of design, crafted to cater to every application, ensuring that you obtain a product that precisely aligns with your tailored needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, purposefully engineered for seamless and fluid integration.
(9)Directional valve block inflow controller options: Select from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, an innovative 3-way flow controller for both inlet and outlet, specially crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and unparalleled efficiency.
(10) Valve core function symbols: Explore an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy specific functional requirements.
(11) Output flow code for ports A & B: Elevate performance with our range of peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed to ensure superior performance and steadfast reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneously limit pressure at actuator ports A & B; A---B---, independently limit pressure at ports A & B, all measured in bar, guaranteeing uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 with precision for exact control and functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), a hybrid 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 (aligning 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: Embrace our versatile selection of adaptable port sizes for seamless integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each meticulously designed to ensure flawless adaptability in any configuration.
(16) End plate options: Explore our bespoke end plate solutions, crafted for precision and effectiveness: E1, offering standard external pilot oil discharge with an external oil return control port T; E2, enhancing the capabilities of E1 with an additional port Y; E3, featuring a 2-position 3-way magnetic ball valve, which elevates system pressure to optimal safety valve levels upon activation.
E4, closely aligns with E1 yet innovatively incorporates an internal pilot oil discharge and a sealed port T; E5 mirrors the enhancements of E2 with internal discharge features; E6 showcases the sophistication of E3, each variant masterfully engineered to provide superior discharge control.
(17) Control voltage and anti-explosion cable options: Select from an array of robust and compatible voltage options, providing specialized safety for demanding applications: G12-12VDC, ensuring reliable performance under rigorous 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 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, stands as 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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