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 - A cornerstone of reliability, this component ensures unwavering performance, facilitating smooth and effective operations across your entire system with unmatched consistency.;
HLPSV: Variable Displacement Pump - Truly versatile and adaptable, this pump delivers exceptional flexibility, perfectly aligning with a diverse array of operational needs.;
(2) Connection Block Ports P & R Specifications - Marrying precision with reliability, this specification creates a dependable operational framework::
2-G3/8; Expertly crafted for compact efficiency, it is designed to support streamlined and effortless operational flows.
3-G1/2; Built for strength and dependability, offering a firm foundation for your system's durability.;
4-G3/4; Showcasing advanced connectivity, it provides superior control and improved system integration.;
5, 55-G1; Designed with high flow rates in mind, ideal for applications with significant demands, ensuring steadfast and reliable operation.;
6-G1 1/4; Engineered for unmatched performance, it excels in challenging environments, effortlessly tackling any obstacle.;
(3) Additional Components and Specifications - Elevate your system's capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy foundation, meticulously crafted to satisfy essential operational needs.;
G,Throttle Valve (For HLPSL only) - Assures precision control, enhancing the overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing custom solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting control and efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressure when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading pump when powered, pressurizing when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, a marvel of modern engineering designed specifically for secondary pressure (F50). This cutting-edge feature ensures the highest standards of safety protocols, thereby significantly boosting operational security and reliability in your systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with pressure settings adjustable from 63 to 400 bar. This component is the epitome of adaptability, effortlessly meeting diverse hydraulic needs. For those requiring seamless configurations, /NF indicates the absence of a pressure limiting valve, designed specifically for HLPSV, ensuring exceptional pressure management across a wide array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Every series is an engineering masterpiece, meticulously crafted to cater to a variety of applications, offering products that align perfectly with 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 ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted with precision for flawless integration and operation.
(9)Directional valve block inflow controller options: Select from a wide array of options: 1, without inflow controller; 2, standard inflow controller; 4, 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 precisely delivering efficiency and excellence.
(10) Valve core function symbols: Discover a rich selection of core functions: L, M, F, H, J, B, R, O, N, each crafted with precision to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve maximum efficiency with top-tier output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously designed to deliver superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, without pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, measured in bar, guaranteeing uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system 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 option finely engineered for exact control and functionality.
(14) Operation modes: Select from a diverse range of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), blending electric proportional control and manual operation; D, electric switching value control; DA(1,2), combining electric switching value control and manual operation; M, manual friction positioning with 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, each meticulously crafted for complete and precise control.
(15) Ancillary block port sizes: Discover our meticulously crafted options, designed for seamless adaptability and integration. Select from our expertly engineered choices, including /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers the ultimate in flexibility, perfectly tailored to meet your specific needs with precision.
(16) End plate options: Delve into our exceptional range of finely tailored end plate solutions. E1 provides the standard option with external discharge of pilot oil and an external oil return control port T. E2 builds on E1 with an additional port Y, enhancing versatility. Experience the innovation of E3, with its 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels when powered, ensuring unmatched performance.
E4, paralleling E1, uniquely integrates an internal discharge of pilot oil with a sealed port T. E5 mirrors the enhanced capabilities of E2 with an internal discharge feature. Discover the sophistication of E6, echoing E3's advanced design, with each variant offering superior discharge control for peak system performance.
(17) Control voltage and anti-explosion cable options: Ensure your system's safety and reliability with our range of tailored solutions. Choose G12-12VDC for specialized applications that require unwavering safety and compatibility.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, embodies 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:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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