Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary engineering marvels signify the zenith of hydraulic technology, harmoniously blending pressure, flow, and directional control into one cohesive, elegant composition. This fusion ensures unmatched performance and dependability across all applications. Typically constructed of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are expertly engineered for seamless incorporation into elite hydraulic systems, indispensable for cutting-edge engineering machinery. They precisely control the movement direction and velocity of hydraulic cylinders, motors, and various actuators, delivering unparalleled precision and mastery. Key features include a sophisticated design, outstanding energy efficiency, and the potential for infinitely variable speed control. Furthermore, they enable multiple actuators to function simultaneously under diverse loads, providing exceptional performance and adaptability for any application.
The HLPSL valves are meticulously customized for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are meticulously crafted for variable pump systems. Although HLPSV valves might display a slightly delayed response time, they excel in providing remarkable energy-saving performance, making them the unrivaled choice for applications where efficiency is crucial. With their state-of-the-art engineering and energy-conserving design, HLPSV valves distinguish themselves as the leading solution for sophisticated hydraulic control requirements, offering an impeccable balance 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 keystone of reliability, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and 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 - Embrace unparalleled safety with our precision-engineered pressure limiting valve for secondary pressure (F50). Designed to define a set pressure value, this state-of-the-art feature ensures superior operational security and reliability, fortifying your operations with advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the versatility and unmatched precision of our adjustable settings, which span across 63, 120, 210, 280, 315, 350, and 400 bar levels. This remarkable component exemplifies adaptability, meeting all hydraulic needs with ease. For streamlined configurations, our /NF option indicates no pressure limiting valve, meticulously engineered for HLPSV, and ensures impeccable pressure management across diverse applications.
(7) Product Series Classification - Experience the Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a testament to masterful design, expertly crafted to suit every application. With our range, you are guaranteed a product that perfectly aligns with your specific needs, ensuring the highest standards of excellence.
(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, precisely engineered for flawless integration and seamless application across a variety of setups.
(9)Directional valve block inflow controller options: Delight in our diverse range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller optimized for both inlet and outlet, designed specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to address specific functional demands with precision.
(11) Output flow code for ports A & B: Achieve unparalleled efficiency with our selection of peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for outstanding performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar to guarantee uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize with options such as: N, no 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 precise control and optimal functionality.
(14) Operation modes: Choose from a variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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, aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Select from a versatile array of adaptable options to suit your precise requirements: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each size is expertly engineered for seamless integration and adaptability, ensuring a perfect fit for any hydraulic system.
(16) End plate options: Explore our exquisitely crafted end plate solutions tailored to your needs. E1, the standard choice, offers an external discharge of pilot oil and an external oil return control port T. E2 closely resembles E1 but is enhanced with an additional port Y for increased functionality. E3 is equipped with a 2-position 3-way magnetic ball valve, significantly elevating system pressure to safety valve levels upon activation.
E4, echoing the design of E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T for enhanced safety. E5 mirrors the capabilities of E2, also featuring an internal discharge for superior performance. E6 reflects the advanced sophistication of E3, guaranteeing exceptional discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Opt for a selection of secure and compatible solutions tailored for demanding applications. Options such as G12-12VDC, are designed for ultimate safety and specialization in high-demand environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence within the hydraulic industry. As a respected subsidiary of the prestigious China Baoan Group (stock code: 000009), we are proud to be recognized as a distinguished national high-tech enterprise. Our proficiency is demonstrated through our in-depth research, development, manufacturing, and sales of top-tier hydraulic components. Our acclaimed status as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to cutting-edge technology and superior quality. This unwavering dedication propels us to the forefront of our industry.
Championing enhanced Safety Atex Valve technology, our flagship product-the load-sensitive proportional valve-epitomizes the apex of sophisticated hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this adaptable component is crucial for high-demand applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with numerous leading domestic manufacturers, crucially contributing to the localization of core hydraulic components for high-end mechanical equipment. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-drives our unwavering promise to provide exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards 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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