Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent 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 bedrock of unmatched performance, guaranteeing that your operations glide seamlessly and maintain optimal efficiency.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability, characterized by its unparalleled versatility to address a wide spectrum of operational challenges.;
(2) Connection Block Ports P & R Specifications - Precision meets dependability, ensuring your operations are consistently reliable::
2-G3/8; Optimized for compact efficiency, designed to support streamlined and unobstructed operational flow.
3-G1/2; Engineered with robustness, ensuring a firm foundation and unwavering reliability for your system.;
4-G3/4; Empowering your system with superior control, ensuring enhanced connectivity for peak performance.;
5, 55-G1; Perfect for high-demand applications, offering a superior flow rate that ensures sustained performance excellence.;
6-G1 1/4; Designed for unrivaled performance in demanding environments, overcoming challenges with ease.;
(3) Additional Components and Specifications - Elevating lifting system capabilities::
C,Standard Type - A steadfast and dependable baseline, finely crafted for your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision, enhancing system efficiency with a meticulous touch.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizing flow management for superior dependability and performance.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions catered specifically for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering seamless solutions tailored to meet your distinct operational demands with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency designed to enhance control and operation:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump upon power and unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump upon power and pressurizing when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety solutions to ensure operational security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched flexibility with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is a testament to precision and adaptability. Opt for /NF if simplicity is preferred, indicating no pressure limiting valve, expertly crafted for HLPSV. This feature guarantees exceptional pressure management across diverse applications, making it a vital component for your hydraulic systems.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to cater to a wide range of applications, ensuring products that precisely meet your specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; The ports are complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, 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, all ensuring precision and efficiency in control.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each skillfully designed to meet specific functional needs.
(11) Output flow code for ports A & B: Boost efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously tailored for peak performance.
(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 rigorously measured in bar, ensuring ultimate system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Tailor your system 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 option crafted for precise control.
(14) Operation modes: Explore a diverse range of operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional and manual control; D, electric switching value control; DA(1,2), integrated electric switching value and manual operation; M, manual friction positioning with a 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, engineered for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, thoughtfully engineered for seamless adaptability across various applications.
(16) End Plate Options: Experience the versatility of our tailored end plate selections, which include: E1, the standard option, featuring an external discharge of pilot oil and a conveniently placed external oil return control port T. E2 enhances E1 with the addition of port Y for expanded flexibility. E3 takes functionality a step further, incorporating a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels when powered, ensuring unmatched operational safety.
E4 mirrors the design of E1 but offers internal discharge of pilot oil, efficiently sealing port T for optimal performance. E5 extends the features of E2 with its internal discharge capability, ensuring seamless operation. E6, paralleling E3, provides each option with advanced discharge control, guaranteeing superior functionality and reliability.
(17) Control Voltage and Anti-Explosion Type Cable Length Options: Choose from our range of options like G12-12VDC, engineered to ensure safety and perfect compatibility with specialized applications, providing 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.
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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