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 - The backbone of reliability, this pump provides unwavering and consistent performance, guaranteeing smooth and efficient operations across your hydraulic system. Trust in its superior dependability to maintain operations at peak performance.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, this pump offers remarkable flexibility to meet diverse operational needs. Designed to adapt seamlessly to shifting demands, it ensures superior control and effortless transitions.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets reliability, creating a framework you can trust: Carefully crafted for impeccable performance, it enhances reliability in every use.:
2-G3/8; Designed for compact efficiency, this port supports streamlined operations, ensuring peak performance even in the most confined spaces.
3-G1/2; Crafted for strength and reliability, it provides a robust foundation for system integrity, ensuring long-lasting durability under challenging conditions.;
4-G3/4; Featuring advanced connectivity options, it offers superior control and enhances system integration for maximized operational efficiency.;
5, 55-G1; Equipped for exceptional flow rates, this port is perfect for high-demand environments, providing consistent and reliable performance under pressure.;
6-G1 1/4; Offering unmatched performance, it excels in challenging environments, setting new standards for power and efficiency.;
(3) Additional Components and Specifications - Revolutionizing system performance: With advanced components, it propels your operations to new heights, redefining excellence.:
C,Standard Type - A trusted foundation, meticulously engineered to meet core operational standards, delivering consistent support and unmatched reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, optimizing system efficiency and fine-tuning operations for maximum impact.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Enhances flow management, delivering unmatched performance and reliability, pushing boundaries for extraordinary outcomes.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control solutions for varied applications: Precisely tailored to align with your operational goals, offering exceptional control.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to seamlessly fulfill your specific operational demands. Customizable configurations ensure you effortlessly achieve your desired outcomes.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Expertly crafted to optimize your system's performance, delivering unmatched control and superior effectiveness.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; Enabling precision tuning for unmatched system efficiency.D/F - Introducing a state-of-the-art, meticulously engineered precision pressure limiting valve for secondary pressure (F50), designed with exceptional precision to maintain a specifically defined pressure value. This engineering marvel significantly enhances advanced safety measures, elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly fulfilling every hydraulic necessity. The /NF configuration provides systems without a pressure limiting valve, masterfully crafted for HLPSV, offering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series exemplifies a masterclass in design, expertly conceived to meet every application, ensuring you acquire a product that perfectly aligns 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; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering exceptional precision and efficiency.
(10) Valve core function symbols: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for supreme performance and reliability.
(12) Secondary pressure limitation options: Choose 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 meticulously gauged in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your control experience with our customizable options, including: N for configurations without function ON/OFF or pressure outlet; X featuring C type pressure limitation for precise adjustments; S/S1 with AB type pressure limitation ensuring optimal control; A for electrical ON/OFF on side A for seamless integration; B for electrical ON/OFF on side B, each designed for outstanding precision and enhanced functionality.
(14) Operation modes: Explore our extensive selection of operation modes tailored for exceptional versatility: A(1,2), offering manual operation with a choice of long or short handles; E, providing electric proportional control for refined precision; EA(1,2), a hybrid of electric proportional control with manual operation for flexible handling; D, offering electric switching value control; DA(1,2), blending electric switching value control with manual operation for dynamic adaptation; M, delivering manual friction positioning with a long handle for robust control; H, featuring pure hydraulic control aligning pilot oil ports with oil ports A and B for seamless operation; F, pure hydraulic control with perpendicular pilot oil ports, ensuring comprehensive and precise control for all your needs.
(15) Ancillary block port sizes: Embrace versatility with our expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each option precisely engineered for seamless adaptability and flawless integration into a variety of systems. These options promise efficiency and optimal performance, ensuring your systems run smoothly and effectively.
(16) End plate options: Explore our meticulously engineered end plate solutions: E1, the standard option, guarantees an external discharge of pilot oil with an external oil return control port T. E2 expands on E1 by adding port Y for additional flexibility; E3 introduces a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring peak performance and unmatched reliability.
E4, reminiscent of E1, innovatively integrates an internal discharge of pilot oil with a sealed port T, enhancing efficiency. E5 echoes the robust features of E2 with an internal discharge for optimized performance. E6 mirrors the advanced design of E3, offering superior discharge control across all variants to satisfy complex system requirements.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range, including options like G12-12VDC, designed to deliver safety and reliability under demanding conditions. Our selection ensures specialization and security, catering to the most challenging applications with precision.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has proudly emerged as a symbol of pioneering innovation and unparalleled excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are celebrated for our commitment to technological advancement and superior quality as a distinguished national high-tech enterprise. Our extensive expertise encompasses the comprehensive research, development, manufacturing, and sales of premium hydraulic components, positioning us as a national 'specialized, refined, and innovative' small giant enterprise. With unwavering dedication to excellence, we continue to solidify our leadership position in the field.
Our flagship creation, the MSHA Valve for Enhanced Safety in Mining Machine Controls Systems, is the epitome of cutting-edge hydraulic system control. This expertly engineered component is meticulously designed for use in construction machinery and heavy-duty equipment, providing essential support in crucial applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic collaborations with leading domestic manufacturers, significantly enhancing 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 are relentless in our mission to deliver outstanding products, services, and solutions. Our vision is to ascend as a globally trusted supplier of premier hydraulic components, continually elevating 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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