Witness the dawn of a groundbreaking era in hydraulic technology with Jiangsu KM Hydraulic Control System Co., Ltd.'s state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components are not mere tools; they exemplify a masterful confluence of engineering excellence and avant-garde hydraulic innovation. By harmoniously integrating pressure, flow, and directional control into one unified, cohesive unit, these valves deliver extraordinary performance and unwavering reliability in every application. Meticulously crafted, they are composed of three integral functional modules: connecting blocks, directional valves, and end plates, all designed with precision for seamless integration into premier hydraulic systems essential for top-tier engineering machinery. These valves expertly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unrivaled precision and control. Their notable features include a sleek, compact design, superior energy efficiency, and the remarkable capability for stepless speed modulation. Furthermore, these valves enable multiple actuators to operate simultaneously under varying loads, offering unparalleled performance and versatility across a wide array of applications.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast and reliable operations in any scenario or application. In contrast, the HLPSV valves are meticulously designed for variable pump systems. While they may exhibit a marginally slower response time, HLPSV valves excel due to their exceptional energy-saving capabilities, making them the ideal choice when efficiency is of utmost importance. These valves, with their cutting-edge engineering and eco-friendly design, emerge as the ultimate solution for sophisticated hydraulic control needs. They seamlessly combine impeccable precision, reliability, and energy efficiency into one cohesive package, making them indispensable for modern hydraulic systems.
| 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 robust giant in performance ensures unwavering, consistent delivery, seamlessly enhancing operational efficiency across your entire system.;
HLPSV: Variable Displacement Pump - Renowned for its versatility and adaptability, this pump delivers exceptional flexibility to cater to diverse operational demands with utmost ease.;
(2) Connection Block Ports P & R Specifications - Precision engineering meets reliability, creating a resilient operational framework::
2-G3/8; Designed for compact efficiency, ensuring smooth and unhindered operational flows.
3-G1/2; Engineered for robust performance, providing a solid foundation for system integrity.;
4-G3/4; Featuring advanced connectivity, it offers superior control and enhances system integration seamlessly.;
5, 55-G1; Offering outstanding flow rates, ideal for high-demand applications with consistent and reliable outcomes.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in challenging environments effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels of excellence::
C,Standard Type - An epitome of reliability, meticulously engineered to meet essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, ensuring unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for diverse application needs with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions that align seamlessly with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with precision:C - No magnetic ball valve; F - Discover our normally open magnetic ball valve. Designed to enable pump pressurization when powered and ensure unloading when unpowered, this component epitomizes efficiency and control; D - Experience the innovation of our normally closed magnetic ball valve, crafted to facilitate pump unloading when powered and ensure pressurization when unpowered, elevating your system's capability.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, tailored for secondary pressure (F50). This cutting-edge feature guarantees advanced safety protocols, significantly boosting operational security and reliability, offering unparalleled peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This adaptable component fully accommodates diverse hydraulic requirements, ensuring seamless configurations. Featuring /NF, meticulously tailored for HLPSV, it ensures impeccable 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 represents an engineering marvel, expertly crafted to cater to diverse applications, providing you with a product that aligns seamlessly with your precise needs, delivering unmatched performance and reliability.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from our array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency, tailored to elevate your system's performance.
(10) Valve core function symbols: Discover an expansive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements, ensuring optimal performance and adaptability.
(11) Output flow code for ports A & B: Maximize your efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide superior performance, reliability, and operational excellence.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring uncompromised system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your system with 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 meticulously engineered for precise control and enhanced functionality.
(14) Operation modes: Unleash the potential of your systems by selecting from our comprehensive range of operation modes, each designed with unparalleled precision. Choose A(1,2) for manual operation with versatile long or short handle options. E offers electric proportional control for sophisticated handling, while EA(1,2) combines the finesse of electric proportional control with manual operation for ultimate flexibility. For straightforward electric switching value control, opt for D, or enhance it with manual operation using DA(1,2). The M mode provides manual friction positioning with a robust long handle. H mode delivers pure hydraulic control by seamlessly aligning pilot oil ports with A and B oil ports. Finally, F mode offers pure hydraulic control featuring perpendicular pilot oil ports. Each mode is a masterful creation, ensuring comprehensive and immaculate control.
(15) Ancillary block port sizes: Elevate your system's adaptability and integration with our meticulously crafted port size solutions. Choose from our expertly designed selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is engineered to provide unparalleled flexibility and is finely tuned to meet your specific needs with remarkable efficiency and performance.
(16) End plate options: Immerse yourself in our exquisite collection of precisely engineered end plate solutions. E1 sets a new standard with its external pilot oil discharge and an external oil return control port T. Move to the next level with E2, featuring an additional port Y for enhanced capabilities. Experience breakthrough innovation with E3, incorporating a 2-position 3-way magnetic ball valve that elevates your system's pressure to exceptional safety valve standards when energized, ensuring supreme reliability and excellence in performance.
E4 offers a unique feature with an internal pilot oil discharge and a sealed port T, mirroring the excellence of E1. E5 takes E2's design further with internal discharge functionalities. Embrace cutting-edge technology with E6, echoing E3's pioneering design with improved discharge control. Each variant ensures your system operates at maximum efficiency and performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and dependability with our expansive range of expertly crafted solutions. Select G12-12VDC, ideal for specialized applications requiring uncompromised safety and compatibility.G24: Choose the pinnacle of steadfast performance and unwavering reliability for your systems.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these solutions, designed for optimal efficiency and versatility across various demanding environments.12: Exemplifying precision and reliability, these options are expertly customized for seamless integration into your systems.bb621436: This code signifies excellence, setting a benchmark in our trailblazing 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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