Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to the pinnacle of hydraulic innovation. These engineering marvels intricately weave together pressure, flow, and directional control into a single, cohesive system, ensuring exceptional performance and unwavering reliability across diverse applications. Typically crafted from three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves are seamlessly integrated into premium hydraulic systems, crucial for elevating engineering machinery to new heights. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unprecedented precision and control. Stand-out features include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering outstanding performance and adaptability for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, guaranteeing steadfast reliability in any conditions. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. Though HLPSV valves may exhibit a slightly slower response, they shine in providing exceptional energy-saving performance, establishing them as the preferred choice for scenarios where efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements, offering an ideal 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 keystone of reliability, this pump is your go-to solution for unmatched steadfastness. It ensures your hydraulic systems operate with flawless precision, delivering a level of performance that keeps your machinery running smoothly and dependably, like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, this pump is your ticket to remarkable flexibility meeting diverse operational needs. Its capacity to seamlessly adjust to varying demands translates into superior control and efficiency, making it indispensable for optimizing system performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting an operational framework you can trust: Designed with meticulous attention to detail, this feature enhances consistency and dependability, ensuring top-tier performance across all your applications.:
2-G3/8; Designed for compact proficiency, this port supports seamless operational flows. Precision-engineered for optimal performance, it shines even in the tightest spaces, guaranteeing your operations meet the most exacting standards.
3-G1/2; Built for robustness and reliability, this connection ensures the foundation of your system's integrity. Crafted to endure, it provides unwavering durability in the most demanding conditions, ensuring your system's longevity.;
4-G3/4; With advanced connectivity, this port offers superior control and integration. Its sophisticated design elevates system performance, marrying efficiency with enhanced control for operational excellence.;
5, 55-G1; Engineered for high-demand applications, this connection delivers superior flow rates and reliability. It's a powerhouse component designed to tackle high-pressure challenges effortlessly, proving indispensable in rugged environments.;
6-G1 1/4; Delivering unmatched power, this connection excels in demanding settings with ease. Setting new industry benchmarks, it offers unparalleled performance, solidifying its status as a leader in hydraulic connectivity.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights: Unleash your system's potential with components designed to redefine excellence, enhancing performance to ensure your operations lead the industry.:
C,Standard Type - A rock-solid foundation, meticulously engineered to handle essential operations. It provides steadfast support and unmatched reliability, empowering your system to endure the rigors of daily operation with ease.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing system efficiency. By fine-tuning operations for maximum performance, it effortlessly enhances your system's overall effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives superior flow management, ensuring performance and dependability. This component exceeds typical performance limits, consistently delivering outstanding results.;
(4) Pilot Oil Circuit Pressure Options - Discover bespoke pressure management solutions crafted to meet a variety of applications. These solutions are meticulously engineered to fit your precise specifications, providing precision control that aligns seamlessly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering solutions that accommodate your specific operational needs effortlessly. Custom-made configurations ensure you achieve your desired outcomes with unmatched ease and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Propel your system's performance to new heights with this expertly designed valve, ensuring exceptional control and unparalleled effectiveness in operation.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; Providing precision tuning for unmatched system efficiency and performance.D/F - Presenting an innovative, meticulously-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with exceptional precision to maintain a specific pressure value, significantly bolstering advanced safety measures and optimizing operational security and reliability to unparalleled heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and unmatched precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly accommodating every hydraulic demand. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, ensuring superior pressure control over a wide range of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, meticulously conceived to cater to every application, ensuring you obtain 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; Includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully crafted for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from an expansive 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 efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet precise functional requirements.
(11) Output flow code for ports A & B: Achieve peak 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 unwavering dependability.
(12) Secondary pressure limitation options: Elevate your system's safety with our exclusive selection of pressure limitation features. Choose from: N, which offers no pressure limiting protection; C, providing concurrent pressure limitation for actuator ports A & B; A---B---, delivering independent pressure limitation for ports A & B. Precisely calibrated in bars, each option is engineered to offer the highest level of protection and peace of mind.
(13) Function ON/OFF and pressure outlet options: Customize your control system with our expertly designed selections. Options include: N, providing no function ON/OFF or pressure outlet; X, featuring C type pressure limitation; S/S1, showcasing AB type pressure limitation; A, offering electrical ON/OFF on side A; B, providing electrical ON/OFF on side B. Each variant is built for precision and unwavering reliability.
(14) Operation modes: Experience unmatched control with our diverse array of operation modes: A(1,2), allows for manual operation with either a long or short handle; E, offers electric proportional control; EA(1,2), combines electric proportional control with manual operation; D, delivers electric switching value control; DA(1,2), integrates electric switching value control with manual operation; M, features manual friction positioning with a long handle; H, utilizes pure hydraulic control, aligning pilot oil ports with ports A and B; F, provides pure hydraulic control with perpendicular pilot oil ports. Each mode is designed for exceptional precision and versatility.
(15) Ancillary block port sizes: Discover unrivaled adaptability with our precisely tailored options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These choices ensure seamless integration and top-notch performance across diverse systems, guaranteeing efficiency and operational excellence.
(16) End plate options: Delve into our meticulously engineered end plate solutions: E1, guarantees external discharge of pilot oil with an external oil return control port T; E2 amplifies E1 by incorporating 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 peak performance and reliability.
E4 replicates E1, but ingeniously incorporates an internal discharge of pilot oil with a sealed port T for superior efficiency. E5 builds upon E2 by offering an internal discharge, ensuring exceptional performance. E6 mirrors the advanced design of E3, delivering cutting-edge discharge control tailored for complex system requirements.
(17) Control voltage and anti-explosion cable options: Opt from our secure and specialized range, including G12-12VDC, crafted for demanding applications with a focus on safety and reliability. Our selections prioritize security and performance excellence.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has soared to the forefront of the hydraulic industry, becoming an emblem of both innovation and excellence. As a distinguished subsidiary of the illustrious China Baoan Group (stock code: 000009), our company stands out as a national high-tech enterprise, showcasing our relentless dedication to technological advancement and superior quality. Our unparalleled expertise spans comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we are committed to maintaining our supremacy in the field, reinforcing our leadership with unwavering dedication to excellence.
Introducing our flagship marvel, the enhanced Safety Atex Valve, a pinnacle of state-of-the-art hydraulic system control technology. This precisely engineered masterpiece is crucial for construction machinery and heavy-duty equipment, serving pivotal roles in emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with leading domestic manufacturers, significantly advancing the localization of core hydraulic components for sophisticated mechanical equipment. Anchored in our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our commitment to delivering exceptional products, services, and solutions. Our vision is to emerge as a globally trusted supplier of premier hydraulic components, persistently 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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