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 foundation of unwavering and consistent performance, ensuring your operations are executed with smoothness and efficacy.;
HLPSV: Variable Displacement Pump - Embodying adaptability and flexibility, offering unmatched versatility to cater to diverse operational needs with finesse.;
(2) Connection Block Ports P & R Specifications - The convergence of precision and reliability, ensuring operations that are trustworthy and dependable::
2-G3/8; Crafted for compact efficiency, catering to streamlined and seamless operational flows with precision.
3-G1/2; Engineered for robustness and dependability, providing a solid foundation for your entire system.;
4-G3/4; Offering superior connectivity, delivering enhanced control and seamless system integration.;
5, 55-G1; Featuring a superior flow rate, this option is ideal for high-demand applications, ensuring unmatched performance.;
6-G1 1/4; Providing exceptional performance, designed to excel in demanding environments and overcome challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable baseline, tailored to meet your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving outstanding performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions seamlessly aligned with your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, energizing it when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Provides advanced safety measures to ensure secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This sophisticated component empowers you with the flexibility to adjust settings at precision-engineered levels of 63, 120, 210, 280, 315, 350, and 400 bar. It stands as a paragon of versatility and precision. For those seeking simplicity, the /NF option represents no pressure limiting valve, tailored specifically for HLPSV applications. This essential feature guarantees optimal pressure control across a wide range of scenarios, making it an indispensable asset for all your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously designed and crafted to cater precisely to every application, ensuring that your specific requirements are met with unmatched precision and reliability.
(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, each precisely crafted for seamless integration into your system.
(9)Directional valve block inflow controller options: Select from a suite of options: (1) without inflow controller; (2) standard inflow controller; (4) an advanced 3-way flow controller for comprehensive inlet and outlet management, ideal for the N 3/3-way valve; (5) reinforced inflow controller; (8) pre-selectable options, each engineered to ensure precision and efficiency in every application.
(10) Valve core function symbols: Discover an extensive array of core functionalities meticulously designed to meet diverse requirements: L, M, F, H, J, B, R, O, N, each tailored to fulfill unique functional needs with excellence.
(11) Output flow code for ports A & B: Enhance your system's performance with a selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each carefully tailored to maximize operational efficiency and performance.
(12) Secondary pressure limitation options: Opt for unparalleled system safety with choices of: (N) no pressure limiting protection; (C) simultaneous pressure limitation for actuator ports A & B; (A---B---) independent pressure limitation for ports A & B, all meticulously measured in bar, ensuring robust and reliable system safety.
(13) Function ON/OFF and pressure outlet options: Experience customizable precision control 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 for exceptional precision and control.
(14) Operation modes: Discover a spectrum of operation modes designed for comprehensive control: (A(1,2)) manual operation with a choice of long or short handle; (E) electric proportional control; (EA(1,2)) a harmonious blend of electric proportional control and manual operation; (D) electric switching value control; (DA(1,2)) a combined approach of electric switching value control and manual operation; (M) manual friction positioning with an extended handle; (H) pure hydraulic control aligning pilot oil ports with oil ports A and B; (F) pure hydraulic control featuring perpendicular pilot oil ports, crafted for ultimate control and customization.
(15) Ancillary block port sizes: Choose from a range of versatile options engineered for seamless adaptability: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each meticulously crafted to integrate effortlessly into your system's architecture.
(16) End Plate Options: Discover our bespoke end plate selections designed for your specific needs. Options include: E1 - standard with external discharge of pilot oil and an external oil return control port, T; E2 - mirrors E1, yet incorporates an additional port, Y; E3 - equipped with a 2-position, 3-way magnetic ball valve, expertly raising system pressure to safety valve levels during power supply, ensuring maximum efficiency and safety.
E4 - akin to E1 but featuring internal discharge of pilot oil, effectively sealing port T; E5 - comparable to E2, with sophisticated internal discharge; E6 - similar to E3, meticulously engineered for precise discharge control, offering unparalleled performance in complex operations.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from a range of options like G12-12VDC, meticulously crafted to ensure safety and seamless compatibility with specialized applications, providing peace of mind and superior operational security.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.
Customer Query:1. What about the lead time for delivery?
Expert Response:The production lead time typically spans about one month after we receive your payment. During this crucial stage, we meticulously prepare and enforce rigorous quality control procedures to ensure every product dispatched is flawless and exceeds your expectations. Achieving your satisfaction through our outstanding delivery is our utmost commitment.
Customer Query:2. Is there a minimum order quantity (MOQ) for LED light purchases?
Expert Response: We offer a remarkably accommodating order system with a minuscule MOQ, enabling you to purchase even a single unit for sample evaluation. This flexibility empowers you to initiate your projects with confidence and precision, catering to your distinct requirements effortlessly.
Customer Query:3. What are the steps to order LED lights?
Expert Response: Begin by conveying your comprehensive requirements or potential applications to us. We will craft a personalized quotation, tailored specifically to your preferences and enhanced by our professional guidance. Upon your confirmation of the designs and deposit placement, we will solidify the order and commence production. Our commitment is to adhere meticulously to every specification, ensuring a seamless and bespoke solution tailored to your needs.designs,and place a deposit to confirm the order. We will then organize production, ensuring that every specification is executed with unparalleled precision for a seamless, personalized solution.
Customer Query:4. Can my logo be printed on the product?
Expert Response: Certainly, this is entirely feasible. Kindly inform us formally before production commencement and confirm the design based on the sample provided. This approach ensures that your branding is showcased with exceptional precision and superior quality, perfectly reflecting your brand's identity.
){kind=link}