Introducing our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels epitomize the zenith of hydraulic innovation, skillfully merging pressure, flow, and directional control into a single, cohesive masterpiece that guarantees extraordinary performance and dependability across all applications. Crafted from three quintessential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for integration into elite hydraulic systems, indispensable for premium engineering machinery. They expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precision and control that is second to none. Key features include a compact structure, exceptional energy efficiency, and the capacity for seamless speed control. Furthermore, they enable the simultaneous operation of multiple actuators under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are meticulously configured for constant displacement pump systems, ensuring unwavering and reliable operation across all environments. Conversely, the HLPSV valves are exquisitely crafted for variable pump systems. While HLPSV valves might exhibit a marginally slower response time, they shine in delivering outstanding energy-saving performance, rendering them the ultimate choice for situations where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an ideal synergy 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 very essence of consistent and unwavering performance, ensuring that your operations are perpetually smooth and highly efficient.;
HLPSV: Variable Displacement Pump - A true testament to adaptability and flexibility, this pump offers unparalleled versatility to meet a wide range of operational needs.;
(2) Connection Block Ports P & R Specifications - Here, precision perfectly aligns with reliability, guaranteeing operations that you can trust::
2-G3/8; Crafted for compact efficiency, this option is designed for streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and unyielding dependability, this provides a solid foundation for your system.;
4-G3/4; Featuring advanced connectivity, this option delivers superior control and enhances system integration.;
5, 55-G1; With its exceptional flow rate, this choice is ideal for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Offering unmatched performance, this is designed to excel in the field and effortlessly overcome challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy foundation, perfectly tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Precisely controls flow, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This optimizes flow management to drive superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions tailored for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions crafted to meet your unique operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing efficiency and enhancing 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 - Equipped with a cutting-edge pressure limiting valve specifically for secondary pressure (F50), featuring a predetermined pressure value. This component integrates advanced safety measures, ensuring secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Boasting adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component is a paragon of versatility and precision. For those who value simplicity, /NF represents no pressure limiting valve, crafted specifically for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, establishing itself as an indispensable element for your hydraulic systems.
(7) Product Series Classification - Representing the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to adapt to every application, ensuring that you receive a product precisely tailored to your 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, crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, 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 to ensure precision and 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 crafted to meet unique functional requirements.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for peak performance.
(12) Secondary pressure limitation options: Select 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, ensuring exceptional system safety.
(13) Function ON/OFF and pressure outlet options: Customizable selections 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 designed for precision control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with optional 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, 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 seamless adaptability.
(16) End Plate Options: Discover an array of tailored end plate choices designed to optimize your machinery's performance. Choose from: E1, our standard model, featuring external discharge of pilot oil and an external oil return control port T. E2 builds upon E1 with an additional port Y, providing enhanced functional capabilities. E3 introduces a 2-position 3-way magnetic ball valve, escalating system pressure to safety valve thresholds upon power supply, ensuring unparalleled safety and efficiency.
E4 mirrors E1 but offers an internal discharge of pilot oil and a sealing port T, meticulously designed for precision. E5 resembles E2, integrating internal discharge for seamless operations. E6 emulates E3, each choice offering refined discharge control for sophisticated and reliable system management.
(17) Control Voltage and Anti-explosion Cable Options: Choose from customized options for your safety and compatibility needs. Consider G12-12VDC, a prime selection, ensuring secure and specialized functionality across demanding applications, catering to your unique operational requirements.G24, a versatile choice for diverse voltage needs, providing robust performance and adaptability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - offering a comprehensive range to match your precise specifications.12, the epitome of compatibility, ensuring seamless integration with existing systems.bb621436, a unique identifier tailored for your bespoke solutions.
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 flagship product, the load-sensitive proportional valve, 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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