Unveiling our extraordinary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, where innovation meets excellence. These avant-garde engineering marvels epitomize the zenith of hydraulic advancement, flawlessly merging pressure, flow, and directional control into a singular, cohesive masterpiece. This integration ensures unmatched performance and unwavering reliability across diverse applications. Typically comprising three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless integration into elite hydraulic systems, pivotal to superior engineering machinery. They expertly orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and command. Key attributes include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under varying loads, offering peerless performance and versatility for any scenario.
The HLPSL valves are meticulously designed for systems utilizing constant displacement pumps, ensuring dependable and unwavering operation in every environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might present a marginally slower response time, they excel in delivering outstanding energy-saving performance, positioning them as the quintessential choice for applications where efficiency is of paramount importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for sophisticated hydraulic control needs, offering an impeccable fusion 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 bedrock of consistent and steadfast performance, ensuring that your operations proceed with unwavering smoothness and efficiency, no matter the challenge.;
HLPSV: Variable Displacement Pump - An epitome of adaptability and versatility, offering unmatched flexibility to cater to a wide spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability, ensuring that your operations are trustworthy and seamless::
2-G3/8; Specifically designed for compact and efficient operations, guaranteeing streamlined workflows and seamless process integration.
3-G1/2; Built for robustness and dependability, ensuring a rock-solid foundation for your system's operations.;
4-G3/4; Offering advanced connectivity for superior control and enhanced system integration, delivering unparalleled operational excellence.;
5, 55-G1; With an exceptional flow rate, this choice is perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Providing unrivaled performance, designed to excel in the field and to confront and overcome any challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A steadfast and dependable baseline that is tailored to meet your fundamental operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and steadfast dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering bespoke solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining operational efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing it when unpowered; D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure (F50), meticulously designed to feature a specified pressure value, this component is a hallmark of safety innovation. Offering advanced safety measures, it ensures the secure and efficient operation of your equipment.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who prefer straightforward solutions, /NF indicates no pressure limiting valve, specifically engineered for HLPSV. This feature guarantees optimal pressure management across diverse environments, rendering it essential for your hydraulic system needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted and tailored to suit an array of applications, ensuring that every product precisely meets 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 expertly crafted ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless and efficient integration.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and operational efficiency.
(10) Valve core function symbols: Delve into a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill distinctive functional requirements and elevate performance.
(11) Output flow code for ports A & B: Enhance efficiency with a selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, specially tailored for optimal performance and reliability.
(12) Secondary pressure limitation options: Tailor your system's safety with options like: 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, underpinning robust system safety and performance.
(13) Function ON/OFF and pressure outlet options: Discover customizable options including: 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 precision and refined control.
(14) Operation modes: Explore diverse operation modes available: A(1,2), manual operation with optional 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 sophisticated combination 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, crafted for comprehensive control and adaptability.
(15) Ancillary block port sizes: Select from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, expertly engineered for seamless adaptability and integration.
(16) End Plate Options: Discover our tailored end plate choices designed for precision and adaptability: E1 - Standard configuration, featuring external discharge of pilot oil and an external oil return control port T for optimal fluid management; E2 - Similar to E1 but enhanced with an additional port Y for expanded functionality; E3 - Equipped with a 2-position 3-way magnetic ball valve, this option elevates system pressure to safety valve standards during power supply, ensuring robust safety control.
E4 - Mirroring E1's design but with internal pilot oil discharge, sealing port T for seamless operation; E5 - Similar to E2, it incorporates internal pilot oil discharge for efficient handling; E6 - Akin to E3, all options ensure sophisticated discharge control, providing precision and reliability in every application.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from a variety of selections such as G12-12VDC, meticulously crafted to guarantee safety and compatibility with specialized applications, ensuring your system's integrity 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 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.
Inquiry:1. What about the lead time?
Response:Our standard lead time for production is approximately one month post-payment. Within this timeframe, we meticulously prepare and enforce rigorous quality control measures, ensuring each product surpasses expectations and arrives in flawless condition. Delivering to you on time and with exceptional quality is our primary commitment.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We provide a remarkably low minimum order quantity, giving you the freedom to order as little as one piece for sample verification. This flexibility allows you to commence your projects effortlessly, catering to your specific needs without any limitations.
Inquiry:3. How to proceed with an order for LED lights?
Response: Begin by submitting your comprehensive requirements or intended applications to us. We will customize a quotation tailored to your specifications or provide expert guidance. After you confirm the designs and remit a deposit, we will complete the order and start production. We guarantee meticulous adherence to every detail, ensuring a seamless and custom-fit solution.designs,and submit a deposit to confirm the order. We will then proceed with production, ensuring every aspect is flawlessly executed for a personalized and smooth solution.
Inquiry:4. Is it OK to print my logo on the product?
Response: Certainly, this can be accomplished. It's essential to notify us formally prior to the commencement of production and verify the design based on the sample provided. This guarantees your branding is presented with optimal precision and exceptional quality, accurately representing your brand identity.
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