Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand at the forefront of hydraulic innovation, artfully merging pressure, flow, and directional control into a singular, masterful composition. This ensures extraordinary performance and reliability across every application. Carefully constructed with three essential functional modules-connecting blocks, directional valves, and end plates-these valves are ingeniously designed for seamless integration into high-end hydraulic systems, vital for elite engineering machinery. They expertly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a compact design, outstanding energy efficiency, and the ability for stepless speed control. Additionally, they empower multiple actuators to function simultaneously under varying loads, delivering an unmatched level of performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, guaranteeing steadfast and reliable performance in every environment. Conversely, the HLPSV valves are precisely engineered for variable pump systems. Although HLPSV valves might exhibit a marginally slower response time, they are unparalleled in energy-saving performance, making them the supreme choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the ultimate solution for advanced hydraulic control needs, offering an impeccable 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 bedrock of stable operation, providing a seamless and efficient flow, propelling your system's performance with steadfast reliability.;
HLPSV: Variable Displacement Pump - A paradigm of flexibility, this pump adapts to a multitude of needs, offering unmatched versatility and operational responsiveness.;
(2) Connection Block Ports P & R Specifications - Where precision engineering meets reliability, ensuring your operations are both trustworthy and efficient::
2-G3/8; Engineered for compact precision, ensuring fluidity and seamlessness in your operational flows.
3-G1/2; Durability and dependability are at the core, offering a robust foundation for your system's demands.;
4-G3/4; Facilitating advanced connectivity, delivering superior control and enhanced system integration with ease.;
5, 55-G1; This option boasts a superior flow rate, ideal for high-demand applications requiring consistent and high-level performance.;
6-G1 1/4; Designed to surpass the challenges of the field, offering unmatched performance and reliability.;
(3) Additional Components and Specifications - Elevate your system's capabilities with these superior components::
C,Standard Type - Providing a robust and reliable baseline, perfectly tuned for your essential needs.;
G,Throttle Valve (For HLPSL only) - Enhancing precision and control, this valve optimizes overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This component optimizes flow management, driving exceptional performance and consistency.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions to match diverse applications with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option is designed to meet your specific operational requirements effortlessly and effectively.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and control in your hydraulic operations:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes to pressurize the pump and de-energizes to unload it; D - Normally closed magnetic ball valve, energizes to unload the pump and de-energizes to pressurize it;D/F - Comes equipped with a precision-engineered pressure limiting valve for secondary pressure management (F50), featuring a meticulously specified pressure value. This component provides advanced safety protocols designed to secure and streamline operational procedures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the epitome of versatility and precision. For those who prefer simplicity, /NF stands for no pressure limiting valve, specifically engineered for HLPSV. This feature ensures optimal pressure control across a diverse range of scenarios, making it an indispensable asset for your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to perfectly suit every application, ensuring that you receive a product that precisely meets your unique 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 crafted for seamless integration.
(9)Directional valve block inflow controller options: Select from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfectly suited 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: Explore a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to cater to unique functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for optimal 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, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable 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 designed for precision control.
(14) Operation modes: A diverse range of operation modes is available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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 (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability.
(16) End Plate Options: Customize your system with our tailored end plate selections: E1, a standard option featuring external discharge of pilot oil and an external oil return control port T; E2, mirroring E1 but enhanced with an additional port Y for superior adaptability; E3, comes equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels upon power supply activation.
E4, crafted like E1, incorporates an internal discharge of pilot oil with sealing port T for efficiency; E5, akin to E2, also boasts internal discharge capabilities; E6, paralleling E3, each ensures meticulous discharge control for optimal performance.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from our robust selections such as G12-12VDC, engineered to guarantee safety and compatibility within your specialized applications.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. 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 generally around one month once the payment is received. Within this period, we conduct thorough preparations and stringent quality checks to ensure each product is delivered in flawless condition. Our commitment is to provide impeccable service and product excellence, guaranteeing your utmost satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are proud to offer a remarkably low minimum order quantity, granting you the freedom to purchase even a single piece for sample testing. This level of flexibility empowers you to initiate your projects effortlessly, while meeting specific demands with ease and efficiency.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by communicating your detailed requirements or intended applications to us. We will then craft a personalized quote, tailored to your specifications or guided by our expert recommendations. After finalizing the drawings and placing a deposit, the order will be confirmed and production will commence. We ensure precision in every aspect, providing you with a seamless and bespoke 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 option is indeed available. Kindly notify us formally before production kicks off and confirm the design based on the sample we provide. This ensures that your branding is presented with exceptional accuracy and outstanding quality, perfectly reflecting your unique identity.
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