Embark on a journey into the future of hydraulic technology with our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These components transcend conventional engineering, representing an exquisite fusion of innovation and technical mastery. By uniting pressure, flow, and directional control into one harmonious entity, our valves offer unparalleled performance and steadfast reliability across all applications. Masterfully engineered, they comprise three fundamental functional modules: connecting blocks, directional valves, and end plates-each crafted with meticulous precision for seamless integration into elite hydraulic systems, vital for high-caliber engineering machinery. Our valves expertly regulate the direction and speed of hydraulic cylinders, motors, and various actuators, delivering unmatched precision and control. Key features include an elegant, compact design, exceptional energy efficiency, and stepless speed modulation. Furthermore, they enable multiple actuators to function concurrently under diverse loads, ensuring unmatched performance and versatility across a wide spectrum of applications.
The HLPSL valves are precisely engineered for constant displacement pump systems, delivering unwavering, dependable performance in every situation. Conversely, the HLPSV valves are thoughtfully designed for variable pump systems. Although they may offer a slightly slower response, HLPSV valves excel in their superb energy efficiency, making them the ultimate choice where conservation is crucial. With state-of-the-art engineering and an eco-friendly approach, these valves stand as the pinnacle of sophisticated hydraulic control solutions, uniting impeccable precision, reliability, and energy efficiency within a seamless, cohesive unit.
| 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 unparalleled performance reliability is renowned for its 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 remarkable flexibility to meet a vast array of operational demands with exceptional ease and precision.;
(2) Connection Block Ports P & R Specifications - Where precision engineering and robust reliability converge to form an enduring and stable operational framework::
2-G3/8; Designed with compact efficiency, it ensures smooth and unhindered operational flows, supporting dynamic system performance.
3-G1/2; Crafted for robust performance and dependability, providing a strong foundation for sustaining the integrity of your system.;
4-G3/4; With state-of-the-art connectivity, it offers superior control and enhances seamless system integration.;
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, expertly crafted to excel in challenging environments, overcoming operational obstacles effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights of operational excellence::
C,Standard Type - A bastion of reliability, meticulously crafted to fulfill essential operational needs with absolute precision.;
G,Throttle Valve (For HLPSL only) - Delivers exceptional precision control, significantly enhancing the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions with precision to meet diverse application needs: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 exceptional precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, a marvel of engineering that effortlessly allows pump pressurization when powered and seamlessly switches to unloading when unpowered; D - Normally closed magnetic ball valve, a pivotal component that enables pump unloading when energized and transitions stunningly to pressurization when de-energized;D/F - Elevate your safety standards with our impeccably precision-engineered pressure limiting valve, crafted for secondary pressure (F50). This cutting-edge feature ensures advanced safety protocols, elevating operational security and reliability to new heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component is the epitome of adaptability, fully accommodating a spectrum of hydraulic requirements. For pristine configurations, /NF symbolizes no pressure limiting valve, meticulously crafted for HLPSV, ensuring flawless pressure management across a diverse array 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 marvel of engineering, meticulously crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise 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 pinpoint precision for seamless integration and operation.
(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, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Delve into a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill 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 designed to provide superior performance and unwavering reliability.
(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.
(13) Function ON/OFF and pressure outlet options: Tailor 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 exceptional functionality.
(14) Operation modes: Select from a diverse array of operation modes: A(1,2), manual operation with an opportunity for long or short handle; E, electric proportional control; EA(1,2), a harmonious fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with a long 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, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Elevate your hydraulic systems with our masterfully crafted port size solutions, designed for impeccable adaptability and seamless integration. Choose from our expertly curated selection: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is engineered to provide unrivaled flexibility, meticulously tailored to fulfill your precise requirements with outstanding efficiency.
(16) End plate options: Explore our exceptional suite of precisely engineered end plate innovations. E1 sets the benchmark with external pilot oil discharge and an external oil return control port T. Enhance your system with E2, featuring an additional port Y for increased versatility. Discover the revolutionary E3, incorporating a 2-position 3-way magnetic ball valve. This innovation elevates your system's pressure to top-tier safety valve standards when activated, ensuring superior performance and unparalleled reliability.
E4, akin to E1, is distinctive with an internal pilot oil discharge and a sealed port T. E5 reflects the excellence of E2, now with advanced internal discharge capabilities. Advance with confidence in technology with E6, mirroring E3's pioneering design. Each variant ensures superior discharge control, guaranteeing your system operates at maximum efficiency and optimal performance.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our diverse array of expertly crafted solutions. Choose G12-12VDC for specialized applications requiring utmost safety and compatibility.G24: The premier choice for enduring performance and unwavering reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Enhance your strategic selection with these options, crafted for peak efficiency and adaptability in various challenging environments.12: Representing precision and trustworthiness, expertly designed for seamless integration into your systems.bb621436: The epitome of excellence, establishing a new 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 a marvel of advanced hydraulic system control, representing the zenith of innovation. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications like 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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