Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome of hydraulic advancement, flawlessly intertwining pressure, flow, and directional control into one exquisite, seamless orchestration. This ensures unmatched performance and dependability across all applications. Typically comprising three vital functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into elite hydraulic systems, indispensable for high-caliber engineering machinery. They precisely control the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing extraordinary precision and mastery. Key features include a compact design, superior energy efficiency, and the ability for stepless speed control. Additionally, they enable multiple actuators to function concurrently under diverse loads, delivering unparalleled performance and adaptability for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might display a slightly delayed response, they excel in offering outstanding energy-saving performance, rendering them the optimal choice for scenarios where efficiency is crucial. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the leading solution for sophisticated hydraulic control needs, presenting an ideal 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 that your operations glide effortlessly, delivering seamless efficiency around the clock.;
HLPSV: Variable Displacement Pump - Embodying adaptability and flexibility, this pump provides unparalleled versatility, flawlessly catering to diverse operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, ensuring operations that you can trust without a doubt::
2-G3/8; Crafted for compact efficiency, this design ensures streamlined and seamless operational flows, maximizing space and performance.
3-G1/2; Engineered for robustness and dependability, this port provides a steadfast foundation, enhancing system reliability.;
4-G3/4; Advanced connectivity at its best, offering superior control and enhanced system integration to elevate your operations.;
5, 55-G1; Perfect for high-demand applications, this option boasts a superior flow rate, ensuring consistent and exceptional performance.;
6-G1 1/4; Unmatched performance in the field, this design is crafted to excel and conquer challenges with remarkable efficiency.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, meticulously tailored to fulfill your essential operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Ensures unparalleled precision in control, amplifying overall system efficiency to new levels.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving extraordinary performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored for varied applications with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Meticulously crafted solutions designed to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control to remarkable levels:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing it when unpowered; Carefully engineered to enhance system efficiency and control.D/F - Comes equipped with a state-of-the-art pressure limiting valve (F50) specifically designed to manage secondary pressure with a pre-determined pressure value. This innovative feature significantly enhances safety protocols, ensuring secure and smooth operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable component offers adjustable pressure settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing both versatility and precision. For users seeking simplicity, the /NF option represents the absence of a pressure limiting valve, crafted specifically for HLPSV. This feature ensures exceptional pressure control across diverse scenarios, making it an essential component for all your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence: Each series embodies unrivaled craftsmanship and precision engineering.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously designed to cater to distinct applications, ensuring you receive a product perfectly aligned with your precise demands.
(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, crafted to ensure seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a range of expertly engineered options: 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, a reinforced inflow controller; 8, pre-selectable options, each meticulously designed to ensure precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct and unique functional requirements, providing unmatched performance.
(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, expertly tailored for unmatched performance and reliability.
(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 precisely measured in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your control with customizable options: 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 unparalleled precision control.
(14) Operation modes: Explore a spectrum of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend 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 with alignment of pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, each crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from a variety of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each one expertly engineered for seamless adaptability and integration into your systems.
(16) End plate options: Discover a range of expertly tailored end plate choices, including: E1, the standard option, featuring an external discharge of pilot oil and a convenient external oil return control port T. E2 is similar to E1 but includes an additional port Y for enhanced utility. E3 is equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to the levels of a safety valve during power supply, ensuring heightened performance and reliability.
E4, similar to E1, is equipped with an internal discharge of pilot oil and a sealed port T for enhanced efficiency. E5 mirrors E2 but with an internal discharge for added sophistication. E6, akin to E3, provides each system with a guarantee of refined discharge control, ensuring precision and expertise in operations.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a variety of control voltage options such as G12-12VDC, offering safety and compatibility with specialized applications to meet your unique needs.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 shone brightly in the hydraulic industry with groundbreaking innovation and unparalleled excellence. As an illustrious subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise is showcased 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 firmly establishes us as leaders in our industry.
Our flagship product, the load-sensitive proportional valve, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this indispensable component plays a crucial role in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, contributing significantly to 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 exemplary products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence on the world stage.
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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