Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation. Conversely, 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 emerge as the premier solution for advanced hydraulic control requirements.
| 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 key to consistent and reliable performance, ensuring unfaltering operational stability.;
HLPSV: Variable Displacement Pump - Adaptability and flexibility at its finest, catering to dynamic operational needs.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can trust, crafted for peak efficiency::
2-G3/8; Compact and efficient for streamlined operations, designed for seamless integration.
3-G1/2; Robust and dependable, engineered for sustained use.;
4-G3/4; Advanced connectivity for superior control, enabling enhanced system command.;
5, 55-G1; Offering a superior flow rate for high-demand applications, ensuring peak throughput.;
6-G1 1/4; Delivering unmatched performance in the field, built for excellence.;
(3) Additional Components and Specifications - Elevating system capabilities with precision::
C,Standard Type - A dependable baseline for your needs, providing steadfast support.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, allowing for meticulous adjustments.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to enhance performance, achieving superior efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for various applications, tailored for versatility:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions for your specific needs, engineered for optimal control.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and control for modern systems:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered;D/F - With pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures for secure operations, safeguarding your systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Our valve offers adjustable settings at a wide range of pressures - 63, 120, 210, 280, 315, 350, and 400 bar. For those requiring no pressure limiting, choose our HLPSV option. This ensures optimal, customizable pressure control for diverse operational scenarios, enhancing equipment safety and performance.
(7) Product Series Classification - Where excellence meets versatility:;-2 2 Series; -3 3 Series; -5 5 Series; Our product series are meticulously tailored and engineered to meet the demands of every unique application.
(8)Thread size of directional spool valve ports A & B: Robust and adaptable sizing options available.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Enhance your system with ancillary or intermediate transition blocks such as the ZPL 5S(V)/H hydraulic control shut-off valve, designed for superior performance.
(9)Directional valve block inflow controller options: Customize your flow management with a variety of options. Choose from: 1, no inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controllers for both inlet and outlet, perfect for N 3/3-way valve configurations; 5, a reinforced inflow controller; 8, pre-selectable for precise control.
(10) Valve core function symbols: Elevate functionality with core symbols L, M, F, H, J, B, R, O, N, each meticulously designed to meet diverse operational needs.
(11) Output flow code for ports A & B: Offering an impressive range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and up to 210 (L/min), ensuring flexibility and efficiency in power management.
(12) Secondary pressure limitation options: Choose from N, C, or A---B--- configurations to protect your actuator ports from excessive pressure, maintaining unit integrity and operational safety.
(13) Function ON/OFF and pressure outlet options: Versatile options include N, X C type, S/S1 AB type, A, and B, providing precise control with electrical ON/OFF capabilities tailored to your system's needs.
(14) Operation modes: Discover a multitude of operation modes: Manual with ergonomic handle options, electric proportional control, and sophisticated hydraulic configurations, each designed to enhance user experience and system efficiency.
(15) Ancillary block port sizes: Customize your setup with port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, ensuring a perfect fit for your application.
(16) End plate options: Choose from an array of end plate solutions - E1 through E6 - offering varied configurations such as external or internal discharge, magnetic ball valves, and sealing capabilities to suit your technical requirements and ensure operational reliability.
E4, similar to E1, internal discharge of pilot oil, port T can be sealed; E5, similar to E2, internal discharge of pilot oil, port T can be sealed; E6, similar to E3, internal discharge of pilot oil, port T can be sealed; optimizing your system's sealing and discharge configurations for enhanced functionality.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Offering reliable voltage control with anti-explosion cable lengths for safe and efficient operation in challenging 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. This period is essential for us to prepare thoroughly and implement rigorous quality control protocols. Each step is monitored to deliver your products with unparalleled perfection.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer a uniquely low minimum order quantity, giving you the flexibility to order even just a single piece for sampling. This flexibility ensures your specific needs are easily accommodated, facilitating a smooth start to your projects.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by conveying your detailed requirements or intended applications. We will craft a tailored quote, aligning with your needs or our professional guidance. After confirming the drawings and making a deposit, we formalize the order and initiate production. Every specification will be met with meticulous precision, ensuring a seamless, customized solution.drawings,and place a deposit to formalize the order. Finally, we will arrange production, ensuring that every specification is met to perfection, delivering a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is possible. Simply provide us with formal notice before production begins and confirm the design based on the sample we offer. This guarantees your branding is represented with the highest precision and quality.
){kind=link}