Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, offering an ideal combination 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 - Experience unwavering reliability and flawless performance with our keystone pump. Designed to ensure smooth, efficient operations, it delivers steadfast and consistent functionality, making your machinery run seamlessly with precise clockwork efficiency.;
HLPSV: Variable Displacement Pump - Embrace adaptability and unrivaled versatility with this pump, offering exceptional flexibility to cater to diverse operational needs. Its design allows for seamless transitions and superior control, ensuring optimal efficiency under varying demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here to create a robust operational framework. These ports are meticulously crafted for flawless performance, ensuring consistent, top-tier operations across all applications.:
2-G3/8; Engineered for compact proficiency, this port supports seamless operational flows with precision. Designed for optimal performance in tight spaces, it ensures every operation meets the most demanding standards effortlessly.
3-G1/2; This robust connection is built for long-term reliability, offering a solid foundation for system integrity. Withstanding the toughest conditions, it promises durable, unwavering performance that stands the test of time.;
4-G3/4; Offering advanced connectivity, this port enhances system integration and control, bringing together efficiency and operational prowess. Elevate your system with its sophisticated design for superior performance.;
5, 55-G1; Optimized for high-demand applications, this connection ensures reliable performance with superior flow rates. Tackle high-pressure challenges seamlessly, making it an essential component in demanding environments.;
6-G1 1/4; Designed for peak performance, this connection excels in challenging environments, setting benchmarks for power and reliability. It handles demanding situations with unmatched performance, solidifying its status as an industry leader.;
(3) Additional Components and Specifications - Unlock new levels of system capability with advanced components that redefine excellence. Elevate your system's performance to ensure operations remain at the industry's forefront, meeting and exceeding expectations with cutting-edge solutions.:
C,Standard Type - A foundational pillar, this standard component is meticulously designed to meet essential operational needs. Providing unwavering support and reliability, it empowers your system to withstand the rigors of everyday operations.;
G,Throttle Valve (For HLPSL only) - This valve guarantees precision control, enhancing system efficiency and optimizing performance. Fine-tune operations for maximum effectiveness effortlessly to ensure your system operates at peak performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Push the boundaries of flow management with this valve, delivering extraordinary performance and reliability. Consistently achieve exceptional results, surpassing conventional limits with ease.;
(4) Pilot Oil Circuit Pressure Options - Discover our bespoke pressure control solutions, designed to precisely fit your unique requirements. Achieve seamless alignment with your operational goals through our tailor-made precision control systems.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our customized solutions are crafted to flawlessly meet your operational needs, offering unmatched convenience in achieving your desired outcomes through versatile configurations.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience elevated efficiency and control. Our expertly designed valves enhance system performance with unrivaled control and effectiveness, transforming your operations.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. Enjoy unparalleled precision in system efficiency tuning.D/F - Introducing a revolutionary, precision-engineered pressure limiting valve for secondary pressure (F50). Designed to maintain a precisely set pressure value, this engineering marvel profoundly enhances safety measures, optimizing operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Engage with supreme versatility and precision through adjustable settings from 63 to 400 bar levels. This component represents adaptability at its best, seamlessly meeting every hydraulic need. The /NF configuration is expertly crafted for HLPSV, offering exceptional pressure control across diverse applications.
(7) Product Series Classification - A Testament to Engineering Brilliance:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterwork of design, ingeniously crafted to cater to every application, ensuring you receive a product that perfectly complements your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Incorporate ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, impeccably designed for flawless integration.
(9)Directional valve block inflow controller options: Select from a robust array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each engineered for precision and remarkable efficiency.
(10) Valve core function symbols: Delve into a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to fulfill specific functional demands.
(11) Output flow code for ports A & B: Experience unparalleled efficiency and performance with our maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each is expertly crafted for exceptional reliability and superior performance.
(12) Secondary pressure limitation options: Elevate your system's safety with our premium choices: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, dedicated pressure limitation for ports A & B. Each choice is meticulously calibrated in bar for steadfast protection.
(13) Function ON/OFF and pressure outlet options: Tailor your control with precision through our diverse selections: 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. Every option is engineered for exactitude and unwavering dependability.
(14) Operation modes: Gain superior control with our extensive range of operation modes: A(1,2), manual operation with either 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), a synthesis of electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control aligning pilot oil ports with ports A and B; F, pure hydraulic control with perpendicular pilot oil ports. Each mode is designed for precision and adaptability.
(15) Ancillary block port sizes: Unlock unmatched versatility with our precisely engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These options ensure seamless adaptability and flawless integration across various systems, ensuring peak performance and efficiency.
(16) End plate options: Discover our exquisitely designed end plate solutions: E1, provides external discharge of pilot oil and external oil return control port T; E2 builds upon E1 by adding port Y for enhanced flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring exceptional performance.
E4 echoes E1 while innovatively incorporating an internal discharge of pilot oil with a sealed port T for optimized efficiency. E5 expands on E2 with an internal discharge, ensuring premier performance. E6 reflects the advanced design of E3, offering cutting-edge discharge control for intricate system needs.
(17) Control voltage and anti-explosion cable options: Choose from our robust range, including G12-12VDC, tailored for demanding applications prioritizing safety and reliability. Our selection guarantees specialization and security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Established in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has rapidly emerged as a beacon of innovation and unsurpassed quality in the hydraulic industry. As an esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), we have earned our reputation as a national high-tech enterprise, reflecting our relentless pursuit of technological advancements and superior quality. Our unparalleled expertise spans comprehensive research, development, production, and distribution of high-grade hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are committed to our creed of excellence, reinforcing our leadership in the industry.
Introducing our flagship innovation: the Enhanced Safety Atex Valve, representing the pinnacle of cutting-edge hydraulic system control technology. This intricately crafted component is essential for construction machinery and robust equipment, serving vital roles in emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly forge strategic alliances with leading domestic manufacturers, driving the localization of core hydraulic components for advanced mechanical equipment. Anchored by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our pursuit to deliver remarkable products, services, and solutions. Our vision is to ascend as a globally trusted provider of top-tier hydraulic components, continually setting new standards of excellence on the international 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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