Witness the dawn of a revolutionary era in hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are much more than mere components; they exemplify a masterful fusion of engineering excellence and cutting-edge hydraulic innovation. By seamlessly integrating pressure, flow, and directional control into a singular, cohesive unit, our valves deliver remarkable performance and relentless reliability in every application. Crafted with utmost precision, they consist of three integral functional modules: connecting blocks, directional valves, and end plates-each meticulously designed for perfect integration into top-tier hydraulic systems, indispensable for premier engineering machinery. These valves accurately regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Noteworthy features include a sleek, compact design, superior energy efficiency, and the ability for stepless speed modulation. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, delivering unmatched performance and versatility across a wide range of applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast, reliable operations in every scenario. In contrast, the HLPSV valves are meticulously crafted for variable pump systems. Although they might exhibit a slightly slower response, HLPSV valves are distinguished by their exceptional energy-saving capabilities, making them the ideal choice when efficiency is paramount. These valves, with their state-of-the-art engineering and eco-conscious design, emerge as the ultimate solution for sophisticated hydraulic control needs, combining impeccable precision, reliability, and energy efficiency in a seamless package that sets them apart from the competition.
| 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 resilient titan of performance reliability provides unwavering, consistent delivery, ensuring seamless and effective operations across your entire system.;
HLPSV: Variable Displacement Pump - The quintessential model of versatility and adaptability, this pump offers unparalleled flexibility to meet a wide array of operational demands with exceptional ease.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability to form an enduring operational framework::
2-G3/8; Designed with compact efficiency in mind, it ensures smooth and unhindered operational flows.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining your system's integrity.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; With outstanding flow rates, it's ideal for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Offering unmatched performance, this component is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights of excellence::
C,Standard Type - A bastion of reliability, meticulously engineered to fulfill essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions to meet diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - Embrace innovation with our non-magnetic ball valve; F - The normally open magnetic ball valve, expertly crafted to allow pump pressurization when energized and seamless unloading when not. D - Experience the cutting-edge normally closed magnetic ball valve, designed to enable pump unloading when powered and precise pressurization when unpowered.D/F - Elevate your operational safety with our meticulously designed pressure limiting valve tailored for secondary pressure (F50). This cutting-edge technology provides unparalleled safety measures, significantly boosting operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the forefront of versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component sets a new standard for adaptability, perfectly fitting a wide range of hydraulic needs. For flawless configurations, /NF denotes no pressure limiting valve, specifically crafted for HLPSV, ensuring exceptional pressure control across varied applications.
(7) Product Series Classification - The Apex of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of engineering, meticulously engineered to address diverse applications, granting you a product that seamlessly 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 additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted with precision for flawless integration and operation.
(9)Directional valve block inflow controller options: Opt from a diverse collection of options: 1, without an inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, meticulously designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and outstanding efficiency.
(10) Valve core function symbols: Explore a rich array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional demands.
(11) Output flow code for ports A & B: Maximize efficiency with superior output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to ensure exceptional performance and reliability.
(12) Secondary pressure limitation options: Select 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 measured in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options such as: 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 precisely crafted for optimal control and functionality.
(14) Operation modes: Select from an expansive array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a seamless blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a harmonious combination of electric switching value control and manual operation; M, manual friction positioning with an extended handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, each meticulously engineered for precise and comprehensive control.
(15) Ancillary block port sizes: Empower your systems with our finely crafted port size solutions, designed for perfect adaptability and seamless integration. Select from our expertly designed array of options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Every option offers unparalleled flexibility and is meticulously tailored to fulfill your specific needs with exceptional efficiency.
(16) End plate options: Immerse yourself in our extraordinary collection of precisely tailored end plate innovations. E1 sets the standard, featuring external pilot oil discharge and an external oil return control port T. Elevate your system with E2, introducing an additional port Y for enhanced functionality. Discover the groundbreaking innovation of E3, incorporating a 2-position 3-way magnetic ball valve. This innovation elevates your system's pressure to premier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4, akin to E1, is distinct with internal pilot oil discharge and a sealed port T. E5 mirrors the excellence of E2, now enhanced with internal discharge capabilities. Step confidently into advanced technology with E6, echoing E3's forward-thinking design. Each variant guarantees superior discharge control, ensuring your system operates at peak efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our comprehensive range of expertly tailored solutions. Choose G12-12VDC, perfect for specialized applications that demand uncompromised safety and compatibility.G24: The ultimate choice for steadfast performance and unwavering dependability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic selection with these options, engineered for peak efficiency and adaptability across various challenging environments.12: Exemplifying precision and reliability, expertly tailored for seamless integration into your systems.bb621436: The code of excellence, setting a benchmark in our pioneering 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, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations and uphold the highest standards of quality control, ensuring each product reaches you in pristine condition. Our unwavering devotion to achieving your complete satisfaction with our impeccable delivery is our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you with the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will then meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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