Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, where pressure, flow, and directional control unite 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. Astoundingly, 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 essential foundation of reliability, ensuring unwavering and consistent performance for flawless and efficient operations across your system.;
HLPSV: Variable Displacement Pump - An embodiment of adaptability and versatility, offering exceptional flexibility to meet a broad spectrum of operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly merges with reliability, crafting an operational framework you can trust::
2-G3/8; Masterfully crafted for compact proficiency, designed to facilitate smooth and efficient operational flows.
3-G1/2; Built for durability and dependability, serving as a sturdy foundation for your system's structural integrity.;
4-G3/4; Boasting advanced connectivity, it offers superior control and facilitates seamless system integration.;
5, 55-G1; Designed with exceptional flow rates, perfect for high-demand applications, ensuring steady and reliable performance at all times.;
6-G1 1/4; Delivering unparalleled performance, expertly engineered to excel in challenging environments and effortlessly meet rigorous demands.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unparalleled heights::
C,Standard Type - A reliable and trusted core, meticulously designed to fulfill fundamental operational requirements with excellence.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving peerless performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing custom pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to perfectly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered and unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered and pressurizes it when unpowered;D/F - Discover the pinnacle of operational security and reliability with our precision-engineered pressure limiting valve directed towards secondary pressure (F50) with a specified pressure value. This state-of-the-art safety feature not only enhances security but also ensures the ultimate in operational dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the potential of versatility and precision with adjustable settings at a range of bar levels: 63, 120, 210, 280, 315, 350, and 400. This component embodies adaptability, catering to all hydraulic needs flawlessly. For configurations that demand streamlined efficiency, /NF denotes the absence of a pressure limiting valve, meticulously designed for HLPSV, ensuring impeccable pressure management across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is not just a product, but a finely crafted masterpiece, tailored to suit every application with precision, ensuring a perfect match for your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, specifically engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Explore a diverse range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and unparalleled efficiency.
(10) Valve core function symbols: Delve into a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each intricately crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Realize peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for top-tier performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all carefully measured in bar, guaranteeing unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Personalize 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 designed for exacting control and functionality.
(14) Operation modes: Opt for varied operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), an innovative blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, each crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Opt for our versatile and meticulously crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is expertly designed for flawless adaptability and smooth integration.
(16) End plate options: Explore our bespoke end plate solutions: E1, the quintessential choice, with an external discharge of pilot oil and an external oil return control port T; E2, similar to E1 yet enhanced with an added port Y for expanded functionality; E3, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels when activated.
E4, mirroring E1 in design, yet seamlessly integrates an internal discharge of pilot oil with a sealed port T; E5, echoing E2, also incorporates internal discharge capabilities; E6, paralleling the sophistication of E3, ensures superior discharge control with each variant.
(17) Control voltage and anti-explosion cable options: Select from a secure and specialized range, including G12-12VDC, perfectly tailored to meet safety and specialization needs 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 enhanced Safety Atex Valve, the flagship product, is a testament to the pinnacle of advanced hydraulic system control. This load-sensitive proportional valve is expertly engineered to excel in the demanding domains of construction machinery and heavy-duty equipment. Perfectly suited for high-stakes applications, it's indispensable for 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.
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Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial timeframe, we engage in meticulous preparations, adhering to the highest standards of quality control. This ensures that each product reaches you in flawless condition. Our unwavering commitment is to achieve your utmost satisfaction with our impeccable delivery.
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