Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unmatched performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, imperative for elite engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering precision and control to an unparalleled degree. Key features encompass a compact structure, outstanding energy efficiency, and the capability for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, delivering exceptional performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a marginally slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for advanced hydraulic control requirements, offering a flawless blend 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. This pump ensures your operations run smoothly and efficiently, embodying reliability and excellence.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility. It offers unparalleled versatility to meet diverse operational needs, ensuring your system's optimal performance.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy and stellar operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows, enhancing productivity.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system's strength and durability.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration for optimal performance.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges with ease.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights, enhancing your equipment's efficiency::
C,Standard Type - A reliable and trustworthy baseline, tailored to meet your essential operational needs effectively.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency and effectiveness.;
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, ensuring tailored precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational needs.
(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 - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to securely maintain operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Featuring adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component embodies unparalleled versatility and precision. For those who appreciate simplicity, the /NF option stands for no pressure limiting valve, meticulously crafted for HLPSV. This feature is crucial for optimal pressure control across diverse scenarios, making it an essential component for your hydraulic solutions.
(7) Product Series Classification - A Testament to Unrivaled Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is carefully crafted to meet every application, ensuring you receive a product that aligns perfectly with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for seamless 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 engineered for precision and efficiency.
(10) Valve core function symbols: Discover a broad spectrum of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to meet distinct functional demands.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, customized for optimal functionality.
(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, ensuring robust system reliability.
(13) Function ON/OFF and pressure outlet options: Tailored options include: 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 offering precision control.
(14) Operation modes: Diverse operation modes offered: A(1,2), manual operation with choice of long or short handle; E, electric proportional control; EA(1,2), a 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 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, meticulously designed for comprehensive control.
(15) Ancillary block port sizes: Choose from a wide range of options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Discover a range of expertly crafted end plate choices, tailored to meet your diverse needs, including: E1, our standard model, designed with external discharge of pilot oil and an external oil return control port T; E2, mirroring E1, but upgraded with an additional port Y; E3, equipped with a sophisticated 2-position 3-way magnetic ball valve, elevating system pressure to the safety valve levels during power supply, ensuring enhanced system reliability.
E4, crafted with precision akin to E1, but featuring internal discharge of pilot oil and a sealed port T, offering robust sealing capabilities; E5, paralleling E2, also includes internal discharge for improved efficiency; E6, in line with E3, each configuration ensures advanced discharge control, enhancing the operability and safety of your hydraulic systems.
(17) Control voltage and anti-explosion cable length options: Choose from a selection of control voltages like G12-12VDC, meticulously designed to ensure safety and flawless compatibility with specialized applications, tailored to meet the highest industry standards.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 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. Renowned for our expertise, we specialize 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 flagship product, the Load Sensitive Control System for Hydraulic Equipment Safety Features, epitomizes 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: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.
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