Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Witness the epitome of hydraulic excellence, where boundary-pushing innovation unites pressure, flow, and directional control into an elegant and seamless entity. This fusion ensures unrivaled performance and steadfast reliability across diverse applications. Traditionally comprised of three key functional modules - connecting blocks, directional valves, and end plates - these valves are precision-engineered for seamless integration into sophisticated hydraulic systems, pivotal for premier engineering machinery. They deftly command the directional path and velocity of hydraulic cylinders, motors, and various actuators, offering exceptional precision and authoritative control. Salient features include a compact design, heightened energy efficiency, and an infinite speed modulation capability. Furthermore, they empower multiple actuators to operate in unison under diverse load conditions, delivering an exceptional level of performance and adaptability across any scenario.
The HLPSL valves are expertly configured for constant displacement pump systems, ensuring unwavering and dependable performance across all environments. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may present a marginally slower response time, they excel in delivering remarkable energy-conserving performance, rendering them the quintessential choice for applications where efficiency reigns supreme. With their groundbreaking engineering and eco-conscious design, HLPSV valves emerge as the preeminent solution for sophisticated hydraulic control demands, offering a perfect amalgamation 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 - This is the bedrock of reliability, designed to deliver consistent performance and ensure your operations maintain their smooth, efficient rhythm.;
HLPSV: Variable Displacement Pump - Crafted for supreme adaptability and unmatched versatility, this pump meets diverse operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Precision and reliability unite here, fostering trustworthy operations that can be counted on.:
2-G3/8; Engineered for compact efficiency, it supports streamlined and seamless operational flows.
3-G1/2; Built for robustness, it's a dependable cornerstone for your system's foundation.;
4-G3/4; This offers advanced connectivity, providing superior system control and enhanced integration.;
5, 55-G1; With an exceptional flow rate, it is ideal for high-demand applications, guaranteeing consistent performance.;
6-G1 1/4; Delivering unparalleled performance, it's crafted to excel in challenging field conditions.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable, dependable baseline, perfectly tailored for your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options provide bespoke solutions, seamlessly catering to your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control, this valve streamlines operations:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) that features a specified pressure value, the design incorporates advanced safety protocols to ensure secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, embodying both versatility and precision. Prefer simplicity? /NF denotes the absence of a pressure limiting valve, specifically tailored for HLPSV, ensuring unrivaled pressure control in diverse situations, making it an essential addition to your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is carefully engineered to meet every application, ensuring you obtain a product precisely aligned with your specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; accompanied by supplementary blocks or the intermediary transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to address distinct functional needs.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, customized for peak performance.
(12) Secondary pressure limitation options: Choose between: 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.
(13) Function ON/OFF and pressure outlet options: Tailor your control with customizable options including: 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 designed for precision management.
(14) Operation modes: A variety of operation modes available, including: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a hybrid 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 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, designed for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for effortless adaptability.
(16) End plate options: Discover our tailored end plate choices designed to meet your specific needs. Options include: E1, our standard version, featuring an external discharge of pilot oil and an external oil return control port T, for reliable performance. E2 is similar to E1 but includes an additional port Y, offering enhanced functionality. E3 is equipped with a 2-position 3-way magnetic ball valve, allowing system pressure to be elevated to safety valve levels during power supply, ensuring optimal safety and efficiency.
E4, crafted with precision, is akin to E1 but features an internal discharge of pilot oil while sealing port T, providing seamless integration. E5 shares similarities with E2, featuring internal discharge for improved control and operation. E6 mirrors E3, with each model guaranteeing sophisticated discharge control, elevating reliability and system performance.
(17) Control voltage and anti-explosion type cable length options: Select from our secure and versatile options such as G12-12VDC, crafted to ensure safety and compatibility for your specialized applications, delivering peace of mind and functionality.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly hold the title of a distinguished national high-tech enterprise. Our expertise shines through in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we continually demonstrate our commitment to technological advancement and superior quality. This steadfast dedication places us at the forefront of our field, where we lead with unwavering resolve and visionary prowess.
Our flagship offering, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, which play a pivotal role in the localization of 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 rise as a globally trusted supplier of premier hydraulic components, establishing new benchmarks of excellence across the world.
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 detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized 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 certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
){kind=link}