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 seamless and stable performance, ensuring your operations are consistently smooth and efficient.;
HLPSV: Variable Displacement Pump - Demonstrates supreme adaptability and flexibility, offering exceptional versatility to meet a vast array of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets dependability, guaranteeing trustworthy operations with every use::
2-G3/8; Crafted for compact efficiency, supporting streamlined and seamless operational workflows.
3-G1/2; Engineered for robustness and reliability, providing a sturdy backbone for your system.;
4-G3/4; Fostering advanced connectivity, delivering exceptional control and superior system integration.;
5, 55-G1; With an impressive flow rate, ideal for high-demand applications, ensuring unwavering performance.;
6-G1 1/4; Delivering unparalleled performance, designed to excel in challenging environments.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels::
C,Standard Type - A reliable and dependable baseline, tailored precisely to your core operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, enhancing overall system efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, boosting performance reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly fulfill your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and precision in control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, seamlessly unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, gracefully pressurizes when unpowered;D/F - Equipped with a pressure limiting valve designed for secondary pressure (F50) with a specifically defined pressure value, this product guarantees advanced safety protocols to ensure flawless and secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at pressure levels of 63, 120, 210, 280, 315, 350, and 400 bar. Representing the epitome of precision and adaptability, it is essential for those seeking customized solutions. The option /NF, indicating no pressure limiting valve, is specifically tailored to HLPSV, ensuring optimal pressure control across varied scenarios, making it an indispensable addition to your hydraulic equipment.
(7) Product Series Classification - Embody the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is thoughtfully crafted and meticulously tailored to suit a wide range of applications, ensuring you receive a product that impeccably meets your precise specifications and requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, elegantly crafted for flawless and seamless integration.
(9)Directional valve block inflow controller options: Choose from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 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 option is crafted with precision to ensure operational efficiency and accuracy.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N. Each symbol is meticulously designed and engineered to meet specific functional requirements, providing unparalleled performance.
(11) Output flow code for ports A & B: Enhance system efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, specifically tailored for optimal performance and operation.
(12) Secondary pressure limitation options: Select between: N, offering no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B. All options are measured in bar, ensuring robust and fortified system safety.
(13) Function ON/OFF and pressure outlet options: Customizable and versatile options include: 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 and exacting control.
(14) Operation modes: A diverse range of operation modes available: 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 engineered for comprehensive and unparalleled control.
(15) Ancillary block port sizes: Choose from a wide variety of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability and integration.
(16) End plate options: Experience tailored end plate selections crafted for optimal performance: E1, the standard option, featuring external pilot oil discharge and an external oil return control port T; E2, similar to E1, enhanced with an additional port Y for expanded functionality; E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power supply, ensuring robust operational reliability.
E4, offering a similar configuration to E1 but with internal discharge of pilot oil, sealing port T for streamlined operations; E5, mirroring E2, includes internal discharge for enhanced efficiency; E6, akin to E3, each configuration assures sophisticated discharge control, meticulously engineered for precision and reliability.
(17) Control voltage and the length of anti-explosion type cable options: Choose from an array of options like G12-12VDC, designed to ensure unparalleled safety and compatibility with specialized applications, providing a steadfast solution for demanding environments.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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