Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the epitome of hydraulic innovation, harmoniously fusing pressure, flow, and directional control into a unified masterpiece. This ensures unbeatable performance and reliability across all applications. Typically constructed with three fundamental functional modules-connecting blocks, directional valves, and end plates-these valves are crafted with meticulous precision for seamless integration into high-end hydraulic systems, vital for elite engineering machinery. They meticulously regulate the direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a compact design, superior energy efficiency, and the ability for stepless speed control. Additionally, they enable multiple actuators to function in unison under varying loads, providing unrivaled performance and adaptability for any application.
The HLPSL valves are expertly customized for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are meticulously engineered for variable pump systems. Although HLPSV valves may demonstrate a slightly slower response time, they excel in delivering outstanding energy-saving performance, making them the ideal 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 premier solution for advanced hydraulic control needs, offering a flawless combination 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 linchpin of stability, delivering relentless and uninterrupted performance, ensuring your operations are seamless and highly productive.;
HLPSV: Variable Displacement Pump - A paradigm of versatility and adaptability, offering unmatched flexibility to cater to a wide range of operational demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here, ensuring operations you can trust::
2-G3/8; Engineered for compact effectiveness, supporting streamlined and fluid operational processes.
3-G1/2; Crafted for strength and dependability, forming a robust backbone for your system.;
4-G3/4; Facilitating advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; With a high flow rate, this choice is ideal for demanding applications, ensuring steady performance.;
6-G1 1/4; Delivering unparalleled performance, engineered to excel in the field and tackle challenges head-on.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A steadfast and dependable baseline, meticulously designed for your fundamental operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, maximizing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Enhances flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering customized solutions to meet your precise operational needs with ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and augmenting 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; Empowering advanced safety measures to safeguard operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component is an epitome of versatility and precision. For those preferring simplicity, /NF stands for no pressure limiting valve, specifically designed for HLPSV. This feature ensures optimal pressure control across varied scenarios, making it indispensable 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 suit every application, ensuring that you receive a product that meets your precise 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, 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, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring 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 fulfill 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, 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: Diverse operation modes 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, crafted for comprehensive control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Discover a range of meticulously tailored end plate choices, including: E1, our standard option featuring an external discharge of pilot oil and an external oil return control port T; E2, which mirrors E1 but includes an extra port Y for additional functionality; and E3, equipped with a cutting-edge 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power supply, ensuring robust safety measures.
E4, closely resembling E1, offers an internal discharge of pilot oil and a sealing port T for enhanced internal sealing capabilities; E5, akin to E2, also features an internal discharge, while E6, similar to E3, provides sophisticated discharge control to meet advanced operational needs.
(17) Control voltage and anti-explosion type cable length options: Choose from our precision-engineered options, such as G12-12VDC, which ensures unparalleled safety and seamless compatibility with specialized applications, delivering peace of mind and operational excellence.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.
Query:1. What about the lead time?
Response:The lead time for production is generally around one month once payment is received. Within this timeline, we meticulously prepare and enforce stringent quality control protocols to ensure every product arrives in immaculate condition. Ensuring your satisfaction with our flawless delivery is our utmost priority.
Query:2. Do you have any MOQ limit for LED light orders?
Response: We provide an impressively minimal minimum order quantity, granting you the freedom to order even a single piece for sample verification. This flexibility allows you to initiate your projects effortlessly and with precision, catering to your specific needs without complications.
Query:3. How to proceed with an order for LED lights?
Response: Begin the process by conveying 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. Upon confirmation of the drawings and a deposit, we will finalize and commence production, ensuring every specification is met with precision, delivering a seamless and customized solution.drawings,and place a deposit to formalize the order. Finally, we organize production, ensuring every aspect is executed flawlessly for a seamless and bespoke solution.
Query:4. Is it OK to print my logo on the product?
Response: Certainly, this is entirely feasible. Kindly inform us formally before the start of production and confirm the design based on the sample we provide. This guarantees that your branding is presented with the utmost precision and superior quality, perfectly reflecting your identity.
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