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 cornerstone of unwavering performance, ensuring seamless and efficient operations across your entire system.;
HLPSV: Variable Displacement Pump - Embodying the pinnacle of adaptability and flexibility, perfectly tailored to meet a diverse spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with reliability, creating a dependable operational foundation::
2-G3/8; Designed for compact efficiency, supporting streamlined and flawless workflow integration.
3-G1/2; Crafted for strength and durability, providing a steadfast base for maintaining system integrity.;
4-G3/4; Offering cutting-edge connectivity, ensuring superior control and system integration.;
5, 55-G1; With enhanced flow capabilities, perfect for high-demand scenarios, delivering consistent and reliable outcomes.;
6-G1 1/4; Providing exceptional performance, designed to excel under challenging conditions with ease.;
(3) Additional Components and Specifications - Amplifying system capabilities to extraordinary new levels::
C,Standard Type - A solid and trusted base, expertly crafted to fulfill essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, boosting the overall effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to perfectly meet your precise operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting 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 - Introducing a marvel of modern engineering, this precision-engineered pressure limiting valve for secondary pressure (F50) is a pinnacle of innovation. Crafted with a specifically defined pressure value, it elevates safety measures to unprecedented heights, ensuring optimal operational security and reliability like never before. Prepare to be amazed by its advanced features that redefine excellence in engineering.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic need. In the /NF configuration, experience systems devoid of a pressure limiting valve, exquisitely crafted for HLPSV, providing unmatched pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a design masterpiece, expertly tailored to suit any application, ensuring you receive a product perfectly aligned with your precise requirements. Experience the intersection of innovation and practicality in every series.
(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, exquisitely engineered for seamless and flawless integration. Each component is crafted to elevate your system's performance.
(9)Directional valve block inflow controller options: Choose from a spectrum of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 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 remarkable efficiency tailored to your needs.
(10) Valve core function symbols: Dive into a wide array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet distinct functional needs. Experience a new dimension of versatility and functionality.
(11) Output flow code for ports A & B: Achieve optimal efficiency with a selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for superior performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unparalleled system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options such as: 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 with precision for optimal control and functionality.
(14) Operation modes: Choose from an array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy 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, each designed for comprehensive and precise control, tailored to your unique requirements.
(15) Ancillary block port sizes: Immerse in the versatility of our masterfully engineered solutions: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously crafted for seamless adaptability, ensuring flawless integration into a multitude of systems.
(16) End plate options: Discover our array of meticulously designed end plate solutions: E1, your standard choice, provides external discharge of pilot oil with an external oil return control port T; E2, similar to E1, boasts an additional port Y for augmented flexibility; E3, which presents a 2-position 3-way magnetic ball valve, escalates system pressure to safety valve levels when engaged.
E4, designed similar to E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T; E5 replicates the features of E2, offering internal discharge for peak performance; E6 mirrors the refined design of E3, delivering advanced discharge control across all variations.
(17) Control voltage and anti-explosion cable options: Choose from our robust and compatible range, including G12-12VDC, designed for safety and specialization in the most demanding applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Established in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. stands as a shining example of innovation and excellence in the hydraulic industry. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly bear the title of a national high-tech enterprise. Our unmatched expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components sets us apart. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication elevates us to the forefront of our domain.
Our flagship product, the Enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this adaptable component is essential for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with numerous leading domestic manufacturers, playing a significant role in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing with attitude, retaining with quality'-we are steadfast in our dedication to delivering exceptional products, services, and solutions. Our mission is to emerge 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 timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate 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 the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.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 feasible. Kindly ensure that you formally notify us prior to the commencement of production 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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