Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed 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 operate simultaneously under varying loads, delivering 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. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly 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 - The cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 state-of-the-art pressure limiting valve designed for secondary pressure (F50), offering a defined pressure value. This innovation introduces cutting-edge safety protocols to ensure the utmost security during operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled adaptability with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies the perfect blend of versatility and precision. For users who prioritize simplicity, /NF denotes the absence of a pressure limiting valve, explicitly crafted for HLPSV. This feature is essential for achieving optimal pressure control across a spectrum of scenarios, making it a cornerstone of your hydraulic system functionality.
(7) Product Series Classification - Showcasing the Zenith of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series is expertly engineered to cater to diverse applications, ensuring you receive a product that precisely matches your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including complementary blocks or the intermediate transition block ZPL 5S(V)/H, this hydraulic control shut-off valve is meticulously crafted for flawless integration.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, no inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both intake and discharge, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable configurations, each ensuring precision and efficiency.
(10) Valve core function symbols: Discover a vast selection of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to satisfy unique functional demands.
(11) Output flow code for ports A & B: Elevate efficiency with the available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for peak performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all specified in bar, ensuring comprehensive system safety.
(13) Function ON/OFF and pressure outlet options: Tailor to perfection with customizable options: N, absent of function ON/OFF or pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electric ON/OFF on side A; B, electric ON/OFF on side B, each engineered for precise control.
(14) Operation modes: Embrace a variety of operation modes: A(1,2), manual operation with a choice of 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), integrated electric switching value control and manual operation; M, manual friction positioning with long handle; H, purely hydraulic control (aligning pilot oil ports with oil ports A and B); F, purely hydraulic control with perpendicular pilot oil ports, designed for comprehensive command.
(15) Ancillary block port sizes: Choose from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless compatibility.
(16) End plate options: Tailored end plate choices are meticulously crafted to include: E1, the standard option, featuring an external discharge of pilot oil and an external oil return control port T for optimal performance; E2, a sophisticated variant of E1, enhanced with an additional port Y to cater to diverse operational needs; E3, equipped with a 2-position 3-way magnetic ball valve that boosts system pressure to meet the safety valve levels during power supply, ensuring superior operational reliability and safety.
E4, designed similar to E1, offers internal discharge of pilot oil while sealing port T to maintain pristine operational conditions; E5, an advanced version of E2, incorporates internal discharge for better management; E6, a refined iteration of E3, each option promises state-of-the-art discharge control, effectively enhancing the overall efficiency and dependability of the system.
(17) Control voltage and the length of anti-explosion type cable options: Choose from an array of solutions like G12-12VDC, each option dedicated to ensuring unparalleled safety and seamless compatibility with specialized applications, guaranteeing the highest levels of protection and performance integrity.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 been a beacon of innovation and excellence in the hydraulic industry. As a prestigious part of the esteemed China Baoan Group (stock code: 000009), we proudly embody the spirit of a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, cutting-edge development, high-precision 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, represents the pinnacle of advanced hydraulic system control technology. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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 rise 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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