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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 - Engineered for excellence, this component features a pressure limiting valve for secondary pressure (F50) with a precise specified pressure value. Its purpose is to offer cutting-edge safety measures, ensuring secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unmatched versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component is the epitome of adaptability for diverse hydraulic needs. For those seeking simplicity, /NF represents the absence of a pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across a wide array of scenarios, making it an essential asset for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every unique application, ensuring a product that perfectly aligns with your precise 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, expertly crafted for seamless integration and superior performance.
(9)Directional valve block inflow controller options: Select from a range of options to suit your specific needs: 1, without inflow controller; 2, the standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each designed to ensure precision and efficiency.
(10) Valve core function symbols: Explore a wide and comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill unique functional requirements, offering tailored solutions for diverse applications.
(11) Output flow code for ports A & B: Maximize operational efficiency with our range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for optimal performance and efficiency.
(12) Secondary pressure limitation options: Choose between options that guarantee robust system safety: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar.
(13) Function ON/OFF and pressure outlet options: Enjoy customizable options that 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 precision-engineered for utmost control.
(14) Operation modes: Experience diverse operation modes that include: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), blending electric proportional control with manual operation; D, electric switching value control; DA(1,2), a hybrid of electric switching value control and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, offering comprehensive control solutions.
(15) Ancillary block port sizes: Select from versatile and adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability to suit a range of applications.
(16) End plate options: Customize your hydraulic system with our versatile end plate selections, including: E1, standard model, featuring external pilot oil discharge and an external oil return control port T; E2, similar to E1, enhanced with an additional port Y; E3, integrates a 2-position 3-way magnetic ball valve, boosting system pressure to safety valve levels when powered, ensuring robust performance.
E4, resembles E1 but designed for internal pilot oil discharge, sealing port T; E5, akin to E2, also with internal pilot oil discharge; E6, mirrors E3, each guaranteeing precise and advanced discharge control for optimal functionality.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our safety-certified options like G12-12VDC, promising reliability and compatibility in demanding 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 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. Throughout this timeframe, we diligently prepare and enforce rigorous quality control protocols to ensure that each of our products is delivered to you in flawless condition. Your absolute satisfaction with our timely and impeccable service is our highest priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, giving you the freedom to order as little as a single piece for sample verification. This flexibility allows you to embark on your projects smoothly and accurately, meeting your specific needs without any complication.
Question:3. How to proceed with an order for LED lights?
Answer: Begin your order process by providing us with your comprehensive requirements or intended applications. We will craft a personalized quote for you, tailored to your specifications or through our expert guidance. Once the drawings are confirmed and a deposit is placed, we will finalize the order and initiate production, ensuring every detail is meticulously executed for your complete satisfaction.drawings,and place a deposit to formalize the order. We will then manage production, ensuring that every detail is flawlessly executed for a seamless and customized solution that perfectly meets your needs.
Question:4. Is it OK to print my logo on the product?
Answer: Certainly, this is entirely feasible. Simply notify us formally before production begins and confirm the design based on the sample we provide. This guarantees that your branding is presented with exceptional precision and quality, perfectly encapsulating your identity.
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