Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Experience the pinnacle of hydraulic innovation with these revolutionary engineering marvels, perfectly orchestrating pressure, flow, and directional control into a seamless, singular masterpiece. This guarantees unmatched performance and steadfast reliability across diverse applications. These valves are typically crafted from three essential functional modules - connecting blocks, directional valves, and end plates - ensuring their meticulous integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and unparalleled stepless speed control. Moreover, they empower multiple actuators to operate simultaneously under varying loads, delivering unmatched versatility and performance for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring unwavering and reliable operation in every setting. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Despite their slightly slower response time, HLPSV valves excel in delivering extraordinary 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 emerge 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 pinnacle of reliable and steadfast performance, ensuring your operations glide seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - Showcasing supreme adaptability and flexibility, providing unparalleled versatility to address diverse operational requirements.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability, ensuring trustworthy operations::
2-G3/8; Engineered for compact efficiency, adeptly catering to streamlined and seamless operational flows.
3-G1/2; Constructed for robustness and dependability, offering a solid foundation for your entire system.;
4-G3/4; Providing advanced connectivity, delivering superior control and exceptional system integration.;
5, 55-G1; With exceptional flow rate, this choice is perfect for high-demand scenarios, ensuring consistent performance.;
6-G1 1/4; Offering unmatched performance, meticulously designed to excel in the field and overcome any challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy foundation, customized to your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, amplifying overall system efficiency.;
H,Fixed Differential Overflow Valve for Superior Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving supreme performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Crafting customized solutions to flawlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and energizing it when unpowered.D/F - Equipped with a state-of-the-art pressure limiting valve for secondary pressure (F50) featuring a precise pressure value, this component promises superior safety protocols to enhance secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. Designed for those who prioritize simplicity, /NF denotes no pressure limiting valve, tailored specifically for HLPSV. This advanced feature guarantees optimal pressure control across a spectrum of scenarios, making it a critical component for all your hydraulic applications.
(7) Product Series Classification - Representing the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is thoughtfully engineered to perfectly align with varying application needs, assuring that you receive a product that fulfills your exact specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediary transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 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 crafted to ensure precision and operational efficiency.
(10) Valve core function symbols: Discover a diverse array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to cater to unique functional specifications.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each optimized for exceptional performance.
(12) Secondary pressure limitation options: Decide among: 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, assuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your selection 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 designed for precise control and adaptability.
(14) Operation modes: Explore diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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, 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 ultimate control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and integration.
(16) End plate options: Introducing our tailored end plate solutions that include: E1, our standard option, featuring an external pilot oil discharge and external oil return control port T; E2, designed for versatility, integrates an additional port Y for enhanced application flexibility; E3, equipped with a 2-position 3-way magnetic ball valve, which boosts system pressure to safety valve levels during power supply for optimal performance and security.
E4, crafted similarly to E1, offers internal pilot oil discharge with a sealing port T enhancing sealing capabilities; E5, much like E2, incorporates internal discharge, ensuring reliable operation; E6, akin to E3, provides sophisticated discharge control, each designed for precision and efficacy in every usage scenario.
(17) Control voltage and anti-explosion cable options: Our control voltage configurations include options like G12-12VDC, expertly designed to ensure maximum safety and seamless compatibility with specialized applications, guaranteeing your system operates smoothly in challenging environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and unparalleled excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we stand as a distinguished national high-tech enterprise. We specialize in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, our unwavering commitment to technological advancement and superior quality positions us as trailblazers in our field.
Our flagship product, the Load Sensitive Proportional Valve with MSHA Safety Features Technology, represents the pinnacle of advanced hydraulic system control. Designed with precision for construction machinery and heavy-duty equipment, this versatile component is crucial for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly collaborate with several leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our dedication 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 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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