Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the pinnacle of hydraulic innovation, seamlessly weaving together pressure, flow, and directional control into one harmonious masterpiece. This integration guarantees unparalleled performance and reliability across every application spectrum. Typically composed of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted to integrate with high-end hydraulic systems, essential for top-tier engineering machinery. They precisely dictate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the ability to offer stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for every conceivable application.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring steadfast and reliable operation across diverse settings. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a marginally slower response time, they excel by delivering exceptional energy-saving performance, positioning them as the ultimate choice for applications where efficiency is of the utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an impeccable 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 - This is the bedrock of stable performance, ensuring your operations are consistently smooth and efficient, without a hitch.;
HLPSV: Variable Displacement Pump - Designed for adaptability and flexibility, this pump provides unrivaled versatility to accommodate a wide array of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, promising operations you can trust::
2-G3/8; Engineered for compact efficiency, this specification streamlines and perfects operational flows seamlessly.
3-G1/2; Crafted for robustness and reliability, it provides a solid, dependable foundation for any system.;
4-G3/4; Offering enhanced connectivity, this port delivers superior control and refined system integration.;
5, 55-G1; With an impressive flow rate, this option is ideal for high-demand applications, guaranteeing consistent performance.;
6-G1 1/4; Providing unparalleled performance, it is engineered to excel in demanding environments, overcoming challenges effortlessly.;
(3) Additional Components and Specifications - Pushing system capabilities to new heights of excellence::
C,Standard Type - A steadfast and reliable baseline, crafted to fulfill your core operational requirements with precision.;
G,Throttle Valve (For HLPSL only) - Delivers precision control, significantly boosting the overall system's efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions tailored for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option offers a tailor-made solution to seamlessly meet your exact operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and elevating control to new standards: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 meticulously engineered pressure limiting valve (F50) tailored to a specified pressure value, this component enhances safety protocols, ensuring the utmost security in your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings ranging from 63 to 400 bar levels. The absence of a pressure limiting valve, denoted by /NF, is perfect for HLPSV, promising optimal pressure regulation for diverse hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to specific applications, ensuring an ideal solution that aligns with your precise demands.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; each option is accompanied by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for flawless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum of configurations: 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, each ensuring precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, all intricately designed to meet distinct functional requirements.
(11) Output flow code for ports A & B: Optimize performance with a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each setting is tailored to enhance operational efficiency.
(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, each measured in bar, ensuring formidable system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your control experience with various customizable selections: 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, all designed for precise control.
(14) Operation modes: Explore a variety of operational modes: 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 control.
(15) Ancillary block port sizes: Choose from a versatile range: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability.
(16) End Plate Options: Discover the versatility of our end plate choices, meticulously designed to match your unique needs. Choose from: E1, our standard option, featuring an external discharge of pilot oil and an external oil return control port T; E2, a refined version of E1, offering an additional port Y for enhanced functionality; E3, equipped with a 2-position 3-way magnetic ball valve, engineered to elevate system pressure to safety valve levels during power supply, ensuring optimal performance and safety.
E4, engineered similar to E1, boasts an internal discharge of pilot oil with a sealing port T for seamless efficiency; E5, mirroring E2, also incorporates internal discharge, amplifying control capabilities; E6, akin to E3, provides a sophisticated discharge control system, tailored for precision and reliability.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from our curated selection, featuring options like G12-12VDC, designed to ensure unparalleled safety and compatibility with specialized applications, meeting the demands of cutting-edge industries.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 transformed the hydraulic industry landscape through groundbreaking innovation and unmatched excellence. As a proud subsidiary of the prestigious China Baoan Group (stock code: 000009), we stand as a beacon of national high-tech enterprise status. Our prowess is embedded in the rigorous research, development, manufacturing, and sales of top-tier hydraulic components. Our prestigious designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unyielding commitment to technological advancement and superior quality, positioning us as leaders in our field.
Our signature product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical 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. With our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering 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 standards of excellence across the globe.
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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