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 - Essential for reliable performance, this pump ensures consistent operations, delivering seamless and efficient system functionality.;
HLPSV: Variable Displacement Pump - The epitome of versatility, adapting effortlessly to diverse operational needs with extraordinary flexibility.;
(2) Connection Block Ports P & R Specifications - Where precision meets trustworthiness, creating a reliable operational backdrop::
2-G3/8; Crafted for compact efficiency, this design supports smooth and streamlined operational dynamics.
3-G1/2; Built for strength and reliability, forming a dependable foundation for system integrity.;
4-G3/4; Engineered for advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Delivering exceptional flow rates, perfectly suited for high-demand scenarios, ensuring performance stability.;
6-G1 1/4; Achieving unparalleled performance, this design excels in challenging environments with ease.;
(3) Additional Components and Specifications - Pushing system capabilities to new frontiers::
C,Standard Type - A steadfast foundation, meticulously crafted to fulfill essential operational criteria.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to meet your unique operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and 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 - Unleash the power of precision with a meticulously designed pressure limiting valve for secondary pressure (F50). This state-of-the-art feature is crafted to deliver unparalleled safety measures, significantly enhancing the security and reliability of your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace versatility with unrivaled precision through adjustable settings ranging from 63 to 400 bar. This component is the embodiment of adaptability, tailored to meet all hydraulic demands. For seamless configurations, /NF signifies the absence of a pressure limiting valve, specifically engineered for HLPSV, guaranteeing impeccable pressure management across an array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a work of art, skillfully crafted to cater to every application, ensuring a product that seamlessly fits your unique requirements.
(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 intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for flawless integration.
(9)Directional valve block inflow controller options: Choose from a variety: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Unlock a wide array of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted to fulfill specific functional demands.
(11) Output flow code for ports A & B: Attain peak efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for superior performance and dependability.
(12) Secondary pressure limitation options: Choose 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 measured in bar, ensuring uncompromising safety throughout the system.
(13) Function ON/OFF and pressure outlet options: Customize with choices like: 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 engineered for precise control and functionality.
(14) Operation modes: Choose from a spectrum of operation 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, meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Select from a versatile array of configurable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These are meticulously designed to ensure effortless adaptability and seamless integration within your existing systems.
(16) End plate options: Explore our expertly crafted end plate solutions: E1, the quintessential standard choice, offering an external discharge of pilot oil and an external oil return control port T; E2, similar to E1 but enhanced with an additional port Y for improved functionality; E3, which includes a sophisticated 2-position 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated.
E4, reflecting the design of E1, yet cleverly incorporates an internal discharge of pilot oil along with a sealed port T; E5, akin to E2, also includes internal discharge mechanisms; E6 mirrors the advanced capabilities of E3, ensuring precise and efficient discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from a comprehensive selection of secure and compatible solutions like G12-12VDC, purposefully designed for safety and optimized performance in challenging applications.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 enhanced Safety Atex Valve, the flagship product, represents 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:Typically, the lead time for production spans approximately one month after payment is received. During this period, we embark on meticulous preparations and execute rigorous quality control processes. Our unwavering dedication ensures that each product is delivered in impeccable condition, as we strive to achieve your utmost satisfaction with our flawless delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, allowing you to order as little as a single piece for sample verification. This flexibility ensures you can start your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by sharing your detailed requirements or intended applications with us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Upon finalizing the drawings and placing a deposit, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution tailored just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring 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 feasible. Kindly notify us formally before production begins and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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