Presenting our trailblazing HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to cutting-edge hydraulic innovation. These revolutionary marvels seamlessly blend pressure, flow, and directional control into one cohesive masterpiece, ensuring unmatched performance and reliability across all applications. Comprising three fundamental functional modules - connecting blocks, directional valves, and end plates - each valve is meticulously engineered for seamless integration into high-end hydraulic systems, essential for premier engineering machinery. These valves precisely control the direction and speed of hydraulic cylinders, motors, and other actuators, delivering remarkable precision and control. Key features include a compact design, outstanding energy efficiency, and the ability for stepless speed control. Moreover, these valves enable multiple actuators to function simultaneously under diverse load conditions, providing extraordinary performance and versatility across various applications.
The HLPSL valves are intricately designed for constant displacement pump systems, guaranteeing steadfast and reliable performance in any environment. Conversely, the HLPSV valves are superbly engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they shine in their ability to deliver exceptional energy-saving performance, rendering them the ultimate choice for applications where efficiency is of utmost importance. With advanced engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering a perfect fusion 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 - Renowned for its unwavering reliability, this pump ensures steady and efficient performance, making it the cornerstone for seamless operations throughout your system.;
HLPSV: Variable Displacement Pump - A model of flexibility and adaptability, this pump offers exceptional versatility to meet a broad spectrum of operational needs, setting the standard in dynamic performance.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge to create a robust operational foundation::
2-G3/8; A masterpiece in compact design, facilitating streamlined and efficient operational flows with ease.
3-G1/2; Crafted for durability and dependability, this port stands as a solid pillar for your system's integrity.;
4-G3/4; Offering cutting-edge connectivity, it provides superior control and integration within the system.;
5, 55-G1; Designed for high flow rates, ideal for demanding applications that require consistent and reliable performance.;
6-G1 1/4; Known for delivering unparalleled performance, this port excels in challenging environments, overcoming obstacles with ease.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights and boundaries::
C,Standard Type - A steadfast and trusted base, meticulously crafted to satisfy essential operational requisites.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing the overall system efficiency.;
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 bespoke pressure control solutions tailored for a multitude of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options provide customized solutions to meet your specific operational demands seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump under power, deactivating when unpowered; D - Normally closed magnetic ball valve, deactivating the pump under power, activating when unpowered; offering precise flow management.D/F - Featuring a precision-engineered pressure limiting valve for secondary pressure (F50) with a specified pressure value, this state-of-the-art component enhances operational security and reliability, providing superior safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock unparalleled versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component exemplifies adaptability, meeting all hydraulic demands. The /NF option, indicating no pressure limiting valve, is meticulously designed for HLPSV, guaranteeing flawless pressure management across various applications.
(7) Product Series Classification - A Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of craftsmanship, tailored to complement every application, ensuring you receive a product that precisely aligns with your exact 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, masterfully engineered for smooth and seamless integration.
(9)Directional valve block inflow controller options: Choose from an array: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering unparalleled precision and efficiency.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each intricately crafted to fulfill specific functional demands with excellence.
(11) Output flow code for ports A & B: Achieve peak efficiency with available peak output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each meticulously designed for superior performance and reliability.
(12) Secondary pressure limitation options: Select 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 measured in bar, ensuring uncompromising system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Tailor your experience 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 meticulously engineered for precise control and functionality.
(14) Operation modes: Select from an array 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), 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: Choose from our expertly engineered options for seamless adaptability and integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is crafted to ensure versatile application and enhanced operational efficiency.
(16) End plate options: Explore our meticulously crafted end plate solutions. E1, the standard choice, offers external discharge of pilot oil and features an external oil return control port T. E2 is similar to E1 but enhanced with an additional port Y for increased functionality. E3 is equipped with a 2-position 3-way magnetic ball valve, boosting your system's pressure to safety valve levels when powered, ensuring optimal safety and performance.
E4 is akin to E1, yet innovatively integrates an internal discharge of pilot oil with a sealed port T for improved control. E5 mirrors the features of E2, also offering an internal discharge. E6 mirrors the sophisticated design of E3, with each variant tailored to ensure advanced discharge control and superior system safety.
(17) Control voltage and anti-explosion cable options: Opt for a secure and compatible solution with our G12-12VDC, designed for safety and specialization in demanding applications. Our range ensures both reliability and 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 been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a prestigious national high-tech enterprise. Our core strength lies in the comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise affirms our steadfast dedication to technological breakthroughs and exceptional quality. This unwavering determination propels us to the forefront of our industry.
Presenting our Enhanced Safety Valve Technology for Mining Machine Safety Control with Proportional Features, our flagship Safety Atex Valve exemplifies the zenith of cutting-edge hydraulic system control. Expertly crafted for construction machinery and robust heavy-duty equipment, this indispensable component is crucial for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with leading domestic manufacturers, contributing significantly to the localization of core hydraulic components for high-end machinery. Anchored by our guiding philosophy-'serving customers with technology, impressing with our attitude, and retaining with quality'-we are unwavering in our commitment to offer unparalleled products, services, and solutions. Our ambition is to emerge as a globally trusted supplier of premier hydraulic components, setting new standards 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.
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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