Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations symbolize the peak of hydraulic innovation by seamlessly integrating pressure, flow, and directional control into one harmonious masterpiece. This ensures unparalleled performance and reliability in every application. Typically crafted with three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously designed for integration into high-end hydraulic systems, vital for top-tier engineering machinery. They precisely govern the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to function simultaneously under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. 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 paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect 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 - A pivotal choice for delivering unwavering, consistent performance, ensuring operations are executed with precision and efficiency.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, crafted to accommodate a wide array of operational demands with unmatched flexibility.;
(2) Connection Block Ports P & R Specifications - Where meticulous engineering meets impeccable reliability, ensuring dependable operational standards::
2-G3/8; Engineered for compact and efficient setups, seamlessly integrating into streamlined operational protocols.
3-G1/2; Crafted for robust performance, presenting a resilient foundation for any system architecture.;
4-G3/4; Providing advanced connectivity solutions, promoting superior control and enhanced system cohesion.;
5, 55-G1; Designed to accommodate superior flow rates, ideal for high-demand applications, ensuring unwavering performance consistency.;
6-G1 1/4; Delivering unparalleled performance, engineered to triumph over field challenges with exceptional efficiency.;
(3) Additional Components and Specifications - Elevating your lifting system's capabilities to unprecedented heights::
C,Standard Type - A dependable and reliable baseline, meticulously tailored to meet your fundamental operational requisites.;
G,Throttle Valve (For HLPSL only) - A conduit for precision control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving superior performance and unrivaled dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing an array of tailored solutions to seamlessly fulfill your precise operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining operational efficiency and amplifying control: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;D/F - Outfitted with an advanced pressure limiting valve for secondary pressure (F50), this feature comes with a specified pressure value to ensure enhanced safety measures are in place, securing operations with utmost reliability and efficiency.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who prefer simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV, guaranteeing optimal pressure control in a variety of scenarios, making it an indispensable component for your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence: Recognize the brilliance of our product series, each a testament to superior craftsmanship and tailored precision.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to meet every application, ensuring that you receive a product tailored to meet your exact specifications and requirements.
(8)Thread size of directional spool valve ports A & B: Discover the perfect fit with thread sizes available:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including expertly crafted ancillary blocks or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ensuring seamless integration and performance.
(9)Directional valve block inflow controller options: Precisely tailored options include: 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 designed to ensure precision and unrivaled efficiency.
(10) Valve core function symbols: Delve into a diverse range of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted 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, meticulously designed for optimal performance.
(12) Secondary pressure limitation options: Opt for robust system safety with choices: 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.
(13) Function ON/OFF and pressure outlet options: Customizable and precision-focused 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.
(14) Operation modes: Diverse modes available for comprehensive control: A(1,2), manual operation with long or short handle; E, electric proportional control; EA(1,2), a synthesis 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 aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports.
(15) Ancillary block port sizes: Versatile options for seamless adaptability include: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for flexibility and performance.
(16) End plate options: Discover a tailored selection of end plate choices meticulously crafted to suit your specific needs: E1 offers the standard configuration with external discharge of pilot oil and an external oil return control port, T, for seamless operations; E2 is similar to E1, yet adds an additional port Y for enhanced flexibility; E3 integrates a 2-position 3-way magnetic ball valve, which automatically elevates system pressure to safety valve levels during power supply, ensuring optimal performance and security.
E4 mirrors E1 but features internal discharge of pilot oil, sealing port T, optimizing internal controls; E5 echoes E2 with internal discharge for a refined operational experience; E6, paralleling E3, guarantees each setup benefits from sophisticated discharge control, catering to advanced system requirements.
(17) Control voltage and anti-explosion cable length options: Choose from our meticulous range of control voltage and anti-explosion cable lengths designed for safety and compatibility with specialized applications, such as G12-12VDC, which prioritizes reliability and meets 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. 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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