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 quintessential embodiment of reliability. This pump delivers unwavering and continuous performance, ensuring a seamless and efficient operational experience. Discover the unmatched dependability that keeps your systems running smoothly and precisely.;
HLPSV: Variable Displacement Pump - A remarkable example of adaptability and versatility. This pump provides exceptional flexibility to meet a diverse array of operational demands. It is meticulously designed to adapt seamlessly to changing needs, offering unparalleled control and transition smoothness.;
(2) Connection Block Ports P & R Specifications - Where precision meets unfailing reliability, forging a trusted operational framework. These ports are crafted with meticulous attention to detail to ensure flawless performance, boosting reliability across all applications.:
2-G3/8; Expertly crafted for compact efficiency, this port supports streamlined and seamless operational flows. Perfectly engineered for precision, it guarantees exceptional performance even in the most confined spaces.
3-G1/2; Built for robustness and reliability, this port provides a solid foundation for your system's integrity. Designed for lasting durability, it ensures steadfast performance even under the most challenging conditions.;
4-G3/4; Featuring advanced connectivity, this port offers superior control and enhanced system integration. It brings sophistication and efficiency together, elevating your system's operational capabilities.;
5, 55-G1; With superior flow rates, this port is ideal for high-demand applications, ensuring consistent and reliable performance. Designed for excellence, it effortlessly tackles high-pressure challenges.;
6-G1 1/4; Delivers unmatched performance, expertly engineered to excel in challenging environments. This port sets new standards in power and performance, effortlessly overcoming any obstacles.;
(3) Additional Components and Specifications - Elevating your system's capabilities to new heights. These advanced components unleash the full potential of your operations, setting new benchmarks for excellence.:
C,Standard Type - A robust and reliable foundation meticulously crafted to meet essential operational requirements. This standard type provides unwavering support and reliability, empowering your system to perform at its best.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing your system's overall efficiency. It fine-tunes your operations for maximum effectiveness, ensuring optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability. This valve surpasses conventional limits to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for a wide range of applications. Tailored to meet your unique needs, these options offer precision control perfectly aligned with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover a world of bespoke solutions crafted to seamlessly align with your distinct operational needs. Our customizable configurations promise to deliver the results you desire, effortlessly and smoothly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and precision control: Crafted to enhance and optimize your system's performance, providing unmatched control and superior operational effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressure when powered, and unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing when unpowered; Achieve unmatched precision tuning for superior system efficiency.D/F - Featuring a cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), designed with exceptional accuracy to maintain a specified pressure value. This engineering masterpiece significantly bolsters advanced safety protocols, optimizing operational security and reliability to extraordinary levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace ultimate adaptability and precision with adjustable settings from 63 to 400 bar. This component symbolizes versatility, effortlessly catering to every hydraulic demand. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, delivering unmatched pressure control across varied applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superior design, meticulously created to fulfill every application need, ensuring you receive a product that seamlessly aligns with your precise requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including supplementary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an extensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, 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 performance.
(10) Valve core function symbols: Discover a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional demands.
(11) Output flow code for ports A & B: Reach the pinnacle of efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered 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 measured in bar to ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Elevate your hydraulic system experience with our tailored options, designed to provide unparalleled precision and control. Choose from: N, a streamlined setup without function ON/OFF or pressure outlet; X, featuring C type pressure limitation for selective control; S/S1, offering AB type pressure limitation for advanced management; A, with electrical ON/OFF on side A for targeted operation; B, incorporating electrical ON/OFF on side B to maximize functionality. Each option is meticulously engineered to enhance system performance with exactitude.
(14) Operation modes: Unlock a world of operational versatility with our thoughtfully curated modes: A(1,2) for manual control with adaptable long or short handle options; E for seamless electric proportional control; EA(1,2), which merges electric proportional control with manual operation for balanced handling; D, focused on electric switching value control; DA(1,2), combining electric switching value and manual operation for comprehensive management; M, offering manual friction positioning with a long handle for tactile precision; H, delivering pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, providing pure hydraulic control with perpendicular pilot oil ports, all expertly designed for comprehensive, precise control.
(15) Ancillary block port sizes: Experience the epitome of versatility with our thoughtfully engineered ancillary block port sizes: /2 G3/8, /3 G1/2, /4 G3/4, /5 G1. Each selection is crafted to ensure impeccable integration and adaptability, promising seamless performance across a variety of systems, thereby enhancing operational efficiency and reliability.
(16) End plate options: Explore our expertly designed end plate solutions, each crafted for superior performance: E1, your go-to standard, supports an external discharge of pilot oil and includes an external oil return control port T. E2 enriches E1 with port Y, offering expanded flexibility; E3 incorporates a refined 2-position, 3-way magnetic ball valve, delivering system pressure elevation to safety valve levels when activated, ensuring optimal functionality and security.
E4, reminiscent of E1, ingeniously incorporates an internal pilot oil discharge with a sealed port T to boost efficiency. E5 mirrors the robust features of E2 with an internal discharge, guaranteeing peak performance; E6 mirrors the sophisticated design of E3, offering advanced discharge control and meeting the demands of complex systems with finesse.
(17) Control voltage and anti-explosion cable options: Opt for our safe and dependable range, including G12-12VDC, crafted for reliability and security in the most challenging environments. Our range is designed to ensure specialization and top-notch safety.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its illustrious inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has risen as a beacon of groundbreaking innovation and exceptional excellence within the hydraulic industry. Proudly positioned as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is distinguished as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and superior quality. With unparalleled expertise, we lead the charge across rigorous research, development, manufacturing, and sales of premium hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, our commitment to excellence remains steadfast, solidifying our eminent position as industry leaders.
Our flagship innovation, the enhanced Safety Atex Valve, stands as the pinnacle of cutting-edge hydraulic system control technology. This meticulously engineered component is tailored for use in construction machinery and heavy-duty equipment, excelling in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with leading domestic manufacturers, substantially advancing the localization of 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 unwavering in our quest to deliver exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier 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.
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Question:4. Is it OK to print my logo on the product?
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