Step into the future of hydraulic innovation with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not mere components; they are an orchestration of engineering excellence, epitomizing the pinnacle of hydraulic technology advancement. By seamlessly uniting pressure, flow, and directional control into one cohesive and efficient unit, these valves deliver unmatched performance and dependability in any application. Crafted from three essential modules - connecting blocks, directional valves, and end plates - each valve is meticulously designed for integration into high-performance hydraulic systems, which are crucial for top-tier engineering machinery. They provide unmatched precision in controlling the movement direction and speed of hydraulic cylinders, motors, and other actuators. Standout features include a sophisticated, compact design, remarkable energy efficiency, and the capability for seamless speed control. Moreover, they enable multiple actuators to function simultaneously under varying loads, offering unparalleled versatility and performance for diverse applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring unwavering reliability and efficiency in every situation. On the other hand, the HLPSV valves are specifically crafted for variable pump systems. Despite a marginally slower response time, HLPSV valves excel with their outstanding energy-saving capabilities, distinguishing themselves as the premier choice when maximizing efficiency is critical. Thanks to cutting-edge engineering and energy-efficient design, HLPSV valves stand at the forefront for sophisticated hydraulic control requirements, delivering an impeccable blend of precision, reliability, and energy 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 - This steadfast cornerstone of reliability guarantees uninterrupted and uniform performance, ensuring seamless and efficient operations throughout your entire system.;
HLPSV: Variable Displacement Pump - The embodiment of versatility and adaptability, this pump provides remarkable flexibility to meet a diverse range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a robust operational framework::
2-G3/8; Designed for compact efficiency, this specification ensures smooth and uninterrupted operational flows.
3-G1/2; Engineered for powerful performance and dependability, this offers a solid foundation for maintaining system integrity.;
4-G3/4; With cutting-edge connectivity, it furnishes superior control and enhances system integration.;
5, 55-G1; Known for superior flow rates, this is ideal for high-demand scenarios, ensuring consistent and reliable performance.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments and handle obstacles effortlessly.;
(3) Additional Components and Specifications - Raising system capabilities to extraordinary heights::
C,Standard Type - A dependable foundation, meticulously designed to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, thereby boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailoring solutions to seamlessly align with your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control:C - Embrace the simplicity of our no magnetic ball valve; F - Choose the normally open magnetic ball valve, which seamlessly enables pump pressurization when powered and efficiently unloads when unpowered. D - Opt for the normally closed magnetic ball valve that facilitates convenient pump unloading when powered and ensures pressurization when unpowered.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, masterfully designed for secondary pressure (F50). This cutting-edge feature guarantees robust safety protocols, substantially enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with fully customizable pressure settings ranging from 63 to 400 bar. This component exemplifies unparalleled adaptability, perfectly accommodating a wide array of hydraulic applications. For seamless configurations, /NF signifies no pressure limiting valve, meticulously tailored for HLPSV, ensuring exemplary pressure management across a broad spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of engineering, precisely crafted to meet a diverse range of applications, providing you with a product that aligns seamlessly with your exacting 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, engineered with unrivaled precision for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from a diverse array of options, meticulously engineered for precision: 1, without inflow controller; 2, standard inflow controller; 4, 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 exceptional efficiency and accuracy.
(10) Valve core function symbols: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with precision.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver superior performance and unwavering reliability.
(12) Secondary pressure limitation options: Choose from: N, offering no pressure limiting protection; C, providing simultaneous pressure limitation of actuator ports A & B; A---B---, delivering independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromised system safety and performance.
(13) Function ON/OFF and pressure outlet options: Customize your system with precision-engineered options like: 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 option crafted for precise control and exceptional functionality.
(14) Operation modes: Immerse yourself in an expansive selection of operation modes, each finely crafted for unparalleled versatility and precision. Choose from A(1,2), offering manual operation with an optional long or short handle for tailored control; E, featuring electric proportional control for seamless operation; EA(1,2), a harmonious blend of electric proportional control with manual operation; D, designed for electric switching value control; DA(1,2), a combined electric switching value control and manual operation for ultimate flexibility; M, providing manual friction positioning with an elongated handle for exactitude; H, pure hydraulic control ensuring harmonic alignment of pilot oil ports A and B; or F, pure hydraulic control with strategically placed perpendicular pilot oil ports. Each option is meticulously engineered for exact and dynamic control.
(15) Ancillary block port sizes: Experience the pinnacle of precision with our expertly crafted port size options, designed for seamless adaptability and effortless integration. Choose from the meticulously engineered selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option provides superior flexibility and is custom-tailored to fulfill your precise requirements with extraordinary efficiency.
(16) End plate options: Explore our distinguished collection of meticulously tailored end plate solutions. E1 represents the industry standard, featuring an external discharge of pilot oil and an external oil return control port T for seamless operation. Upgrade to E2 for an enhanced experience, offering an additional port Y for expanded capability. Discover the groundbreaking innovation of E3, which incorporates a 2-position 3-way magnetic ball valve. This advancement elevates your system's pressure to the utmost safety valve levels upon activation, ensuring unmatched performance and reliability.
E4, similar to E1, stands apart with an internal discharge of pilot oil and a sealed port T, ensuring superior containment. E5 mirrors the excellence of E2, now featuring internal discharge capabilities for greater integration. Embrace the future with E6, echoing the advanced design of E3. Each variant guarantees superior discharge control, ensuring your system operates with optimal efficiency and peak performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and dependability with our extensive range of tailored solutions. Opt for G12-12VDC, the ideal choice for specialized applications demanding absolute safety and uncompromised compatibility.G24: Your premier choice for enduring performance and constant reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selections with these options, meticulously crafted for optimal efficiency and adaptability in a variety of demanding environments.12: A hallmark of precision and reliability, designed for flawless integration into your systems.bb621436: The emblem of excellence, setting the standard in our innovative design.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, is the epitome of advanced hydraulic system control, expertly engineered to meet the rigorous demands of construction machinery and heavy-duty equipment. This versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic partnerships with leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. With our core 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 mission is to rise as a globally trusted supplier of premier hydraulic components, continually setting new benchmarks of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the production lead time is approximately one month following the receipt of payment. During this period, we engage in comprehensive preparations and adhere to strict quality control measures, ensuring each product reaches you in pristine condition. Our unwavering dedication is to deliver a flawless product, fully meeting your expectations.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly facilitate a remarkably low minimum order quantity, allowing you the flexibility to order as little as a single piece for sample evaluation. This adaptability empowers you to embark on your projects with great ease and precision, seamlessly catering to your specific needs.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended uses with us. We will then provide a customized quote, uniquely tailored to your needs, or offer expert guidance. Upon finalizing the drawings and making a deposit, we will formalize the order and commence production, ensuring every detail is meticulously crafted to suit your bespoke solution.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 completely feasible. Please ensure you formally inform us before production begins and confirm the design based on the sample provided. This ensures that your branding is represented with impeccable precision and excellence, perfectly encapsulating your brand identity.
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