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 robust heart of consistent operations, steadfast and reliable, ensuring your system runs smoothly and efficiently with unwavering performance.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, offering remarkable flexibility to meet diverse operational needs with exceptional versatility.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability to create a dependable operational foundation::
2-G3/8; Engineered with compact excellence, crafted to support seamless and streamlined operations with ease.
3-G1/2; Designed for robustness, providing a durable foundation that upholds your system's integrity effortlessly.;
4-G3/4; Integrating advanced connectivity, it offers enhanced control and superior system integration.;
5, 55-G1; With outstanding flow rates, it is ideal for high-demand scenarios, ensuring consistent and impeccable performance.;
6-G1 1/4; Expertly engineered to deliver unrivaled performance, it excels in demanding environments and tackles challenges effortlessly.;
(3) Additional Components and Specifications - Transforming system capabilities to new heights::
C,Standard Type - A solid and trusted foundation, meticulously crafted to fulfill essential operational criteria with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing overall system efficiency dramatically.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring exceptional performance and steadfast 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); Tailored solutions to seamlessly address your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Optimizing 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 - Featuring a precision-crafted pressure limiting valve for secondary pressure (F50) with a precise pressure setting, this state-of-the-art feature ensures top-tier safety protocols are in place, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, addressing all hydraulic needs. For seamless configurations, /NF signifies the absence of a pressure limiting valve, meticulously engineered for HLPSV, ensuring impeccable pressure management across a wide range 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, expertly crafted to suit every application, guaranteeing that you receive a product that perfectly matches your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely designed for smooth and seamless integration.
(9)Directional valve block inflow controller options: Select from a spectrum: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, engineered for the N 3/3-way valve; 5, an upgraded inflow controller; 8, pre-selectable options, each providing precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional demands.
(11) Output flow code for ports A & B: Attain peak efficiency with available 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: 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 system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your setup with options 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 designed for precise control and functionality.
(14) Operation modes: Choose from a variety 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Select from our versatile and expertly crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is meticulously designed for effortless adaptability, ensuring seamless integration into your system.
(16) End plate options: Explore our superior end plate selections: E1, the standard model, offers external pilot oil discharge and an external oil return control port T; E2, similar to E1, is enhanced with an additional port Y for augmented functionality; E3, featuring a 2-position 3-way magnetic ball valve, optimizes your system pressure by elevating it to safety valve thresholds when activated.
E4, crafted to resemble E1, ingeniously incorporates internal discharge of pilot oil with a sealed port T; E5 mirrors E2, with internal discharge capabilities; E6 emulates the sophistication of E3. Each variant is designed to elevate discharge control to new heights of efficiency.
(17) Control voltage and anti-explosion cable options: Select from our secure and compatible range such as G12-12VDC, engineered for safety and exceptional performance in 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 enhanced Safety Atex Valve, the flagship product, the load-sensitive proportional valve, is a testament to 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 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.
){kind=link}