Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Experience the zenith of hydraulic innovation with these revolutionary engineering marvels, which elegantly merge pressure, flow, and directional control into an exquisite, unified symphony. This guarantees an unmatched level of performance and reliability across all applications. Typically comprised of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered to seamlessly integrate into high-end hydraulic systems, proving crucial for elite engineering machinery. They precisely command the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and seamless speed control capability. Furthermore, these valves empower multiple actuators to operate concurrently under varying loads, offering unmatched performance and versatility in any application.
The HLPSL valves are expertly customized for constant displacement pump systems, ensuring unwavering and dependable operation across every setting. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. Although HLPSV valves may exhibit a modestly slower response time, they excel in delivering superior energy-saving performance, establishing them as the ultimate choice where efficiency reigns supreme. With their cutting-edge engineering and energy-efficient architecture, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, offering a flawless fusion 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 cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control: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;D/F - This state-of-the-art product comes equipped with a pressure limiting valve dedicated to controlling secondary pressure (F50), ensuring operations are safeguarded with a specified pressure value. Experience superior safety protocols, designed to fortify and secure your processes with cutting-edge technology.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings ranging across 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing versatility and precision. For those who appreciate simplicity, /NF represents the absence of a pressure limiting valve, tailored specifically for HLPSV, ensuring unparalleled pressure control in diverse scenarios. This indispensable feature is your key to fulfilling all hydraulic demands with ease.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous attention to detail to accommodate every application, ensuring that the product you choose perfectly aligns with your precise requirements.
(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, meticulously designed for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each crafted to ensure precision and superior efficiency.
(10) Valve core function symbols: Delve into an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet and exceed unique functional requirements.
(11) Output flow code for ports A & B: Elevate efficiency with a selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, uniquely tailored to provide optimal performance and maximize your system's potential.
(12) Secondary pressure limitation options: Select 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 to ensure robust system safety and enhanced operational integrity.
(13) Function ON/OFF and pressure outlet options: Customize your control 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 carefully designed to achieve precision in control.
(14) Operation modes: Discover diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion of electric proportional and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, meticulously crafted for comprehensive and superior control experiences.
(15) Ancillary block port sizes: Explore versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for unmatched seamless adaptability and integration.
(16) End plate options: Discover our tailored end plate selections, including: E1, the standard choice, featuring an external discharge of pilot oil and an external oil return control port T; E2, an advanced version of E1, with an additional port Y for enhanced fluid dynamics; E3, which incorporates a 2-position 3-way magnetic ball valve, elevating system pressure to match safety valve standards during power supply, ensuring operational integrity.
E4, mirroring E1 but designed with internal discharge of pilot oil, sealing port T for a streamlined operation; E5, an evolution of E2, also with internal discharge, enhancing system efficiency; E6, akin to E3, each model engineered to deliver precise discharge control, offering cutting-edge solutions for complex hydraulic systems.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our specialized options such as G12-12VDC, crafted to ensure utmost safety and seamless compatibility with your unique applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our illustrious inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has continuously 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 is vividly demonstrated in the meticulous research, development, manufacturing, and sales of premium hydraulic components, earning us the esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise, a testament to our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field, setting new standards of achievement that define excellence at every turn.
Our flagship product, the load-sensitive proportional valve, epitomizes the absolute 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, a vision we pursue with unwavering dedication.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in meticulous preparation and implement stringent quality control measures to ensure every product reaches you in perfect condition. Your satisfaction with our flawless delivery is our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, granting you the flexibility to order even a single piece for sample verification. This adaptability allows you to initiate your projects with ease and precision, accommodating your unique requirements effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Start by sharing your detailed requirements or intended applications with us. We will then craft a custom quote specifically for you, based on your specifications or through our expert guidance. Upon confirming the drawings and placing a deposit, we will finalize the order and initiate production. We ensure every specification is adhered to with precision, providing you a seamless and customized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring 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 certainly feasible. Kindly make sure to inform us formally before production commences and verify the design based on the sample we provide. This guarantees that your branding is showcased with utmost precision and superior quality, perfectly reflecting your identity.
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