Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations embody the zenith 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, delivering unwavering performance to ensure seamless and efficient operations across your system.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and versatility, offering remarkable flexibility to meet a diverse array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision intersects with reliability, crafting a dependable operational framework::
2-G3/8; Engineered for compact excellence, designed to facilitate streamlined and seamless operation.
3-G1/2; Built for durability and dependability, providing a robust foundation for system integrity.;
4-G3/4; Featuring advanced connection capabilities, offering enhanced control and superior system integration.;
5, 55-G1; Designed for superior flow, perfect for high-demand applications, ensuring consistent and dependable performance.;
6-G1 1/4; Delivering unrivaled performance, meticulously designed to thrive in challenging environments and tackle tasks effortlessly.;
(3) Additional Components and Specifications - Raising system capabilities to extraordinary levels::
C,Standard Type - A reliable and trusted base, carefully crafted to satisfy essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, amplifying the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering personalized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Crafting bespoke solutions to precisely meet your unique operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressurization when powered, unloading when unpowered; D - Normally closed magnetic ball valve, ensuring pump unloading when powered, pressurizing when unpowered;D/F - Introducing our state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is meticulously crafted with a specifically defined pressure value, designed to elevate advanced safety measures and amplify your operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the zenith of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic requirement. Immerse yourself in the /NF configuration, where systems without a pressure limiting valve are meticulously crafted for HLPSV, delivering unmatched pressure control across a spectrum of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, expertly conceived to cater to every application, ensuring you receive a product that is impeccably aligned 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; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, each piece is a masterstroke of engineering, ensuring seamless and flawless integration.
(9)Directional valve block inflow controller options: Discover an array of options: 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 our extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands and requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering dependability.
(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 and reliability.
(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 optimal functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with optional 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), 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover ultimate versatility with our expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is carefully designed to offer seamless adaptability and flawless integration into a wide array of systems, ensuring peak performance and reliability.
(16) End plate options: Delve into our meticulously engineered end plate solutions: E1 is your standard choice, providing an external discharge of pilot oil along with an external oil return control port T; E2 enhances E1 with an additional port Y, offering increased flexibility; E3 introduces a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring robust performance.
E4, styled similarly to E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for superior efficiency; E5 replicates the features of E2 but includes internal discharge for optimized performance; E6 mirrors the sophisticated design of E3, providing advanced discharge control across all variants, guaranteeing precision and excellence.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range, including G12-12VDC, specifically engineered for safety and specialization in the most challenging applications, ensuring reliability and durability under 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 shone brightly as a beacon of innovation and excellence within the hydraulic industry. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly bear the identity of a national high-tech enterprise. Our unrivaled expertise spans across meticulous research, development, manufacturing, and sales of premium hydraulic components, achieving an unmatched stature in the field. Designated as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our pursuit of technological advancement and superior quality. This relentless drive positions us as trailblazers in our domain, soaring beyond expectations.
Our flagship product, the enhanced Safety Atex Valve, stands as a pinnacle of excellence in advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile marvel is indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly engage in strategic partnerships with numerous leading domestic manufacturers, significantly bolstering 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 stand unwavering in our commitment to deliver exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting unprecedented standards of excellence on the world stage.
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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