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 - Equipped with an innovative pressure limiting valve for secondary pressure (F50) with a clearly defined pressure value, this feature ensures unparalleled safety, fortifying and safeguarding operational processes.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar. Tailored for every hydraulic scenario, the /NF option, devoid of a pressure limiting valve, is crafted specifically for HLPSV, guaranteeing optimal pressure control and reliability.
(7) Product Series Classification - The Epitome of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is superbly designed to fulfill distinct application needs, ensuring the product aligns perfectly with your specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; accompanied by ancillary or intermediate transition block ZPL 5S(V)/H, these elements are finely crafted for flawless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller, ideal for N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each offering distinct precision and operational efficiency.
(10) Valve core function symbols: Discover a versatile portfolio of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional needs.
(11) Output flow code for ports A & B: Enhance performance with maximum output flows available at: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all crafted for peak operational efficiency.
(12) Secondary pressure limitation options: Opt for N, without pressure limiting protection; C, simultaneous pressure limitation at ports A & B; A---B---, independent pressure limitation for ports A & B in bar, all designed to elevate system safety.
(13) Function ON/OFF and pressure outlet options: Choose from tailored options: N, excluding 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 providing precision control.
(14) Operation modes: Explore a diverse range of operation modes: A(1,2), manual with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis of electric proportional and manual control; D, electric switching value control; DA(1,2), combined electric switching value and manual control; M, manual friction positioning with long handle; H, pure hydraulic control (pilot oil ports aligned with A and B); F, pure hydraulic control with perpendicular pilot oil ports, all meticulously crafted for comprehensive command.
(15) Ancillary block port sizes: Choose from flexible options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration.
(16) End plate options: Discover our expertly engineered end plate solutions, designed to meet diverse needs: E1, the standard choice with external pilot oil discharge and external oil return control port T for maximum efficiency; E2, building on E1, includes an additional port Y for enhanced flexibility; E3, featuring a 2-position 3-way magnetic ball valve to boost system pressure to safety valve levels when powered, ensuring unparalleled safety in operation.
E4, mirroring E1 but with internal pilot oil discharge and sealing port T for superior control; E5, echoing E2, also benefits from internal discharge, optimizing performance; E6, akin to E3, each model promises refined discharge management for a sophisticated hydraulic system.
(17) Control voltage and cable length options for anti-explosion types: Choose from our range, such as G12-12VDC, designed for safety and smooth integration in specialized tasks, offering reliability you can count on.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. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes operations such as emergency rescue missions, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships 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. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
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Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
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