Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the pinnacle of hydraulic innovation, seamlessly amalgamating 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. In contrast, 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 cutting-edge technology and an energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable 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 keystone of reliability, delivering consistent and steadfast performance. This ensures smooth and efficient operations throughout your system, promising unyielding functionality and stable output.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements, adapting seamlessly to various system demands.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability, forging a trustworthy operational framework, designed to support the rigorous demands of modern hydraulic systems::
2-G3/8; Crafted for compact proficiency, engineered to support streamlined and seamless operational flows, promoting efficiency and reducing potential bottlenecks.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's integrity, ensuring unyielding performance and durability.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration, empowering your operations with sophisticated handling capabilities.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, guaranteeing consistent and reliable performance even under the most challenging conditions.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly, ensuring your system is always at the forefront of technology.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights, setting new standards in operational excellence::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements and ensure long-lasting durability.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of your system and ensuring fine-tuned performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability, making your operations more robust and reliable.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications, ensuring versatility and adaptability: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, allowing precision and customizability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control, a crucial component for optimizing performance and operational agility: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; These options allow for precision control and flexibility in system management.D/F - Our state-of-the-art system is equipped with a precision-engineered pressure limiting valve specifically for secondary pressure (F50), having a meticulously defined pressure value. This cutting-edge feature ensures enhanced safety measures, significantly boosting both operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of adaptability, catering seamlessly to all hydraulic needs. For streamlined configurations, the /NF option indicates no pressure limiting valve, meticulously crafted for HLPSV, ensuring impeccable pressure management across a myriad of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design expertise, crafted to perfectly match every application, ensuring you receive a product precisely aligned with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; The design includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, showcasing precision engineering for smooth, seamless integration.
(9)Directional valve block inflow controller options: Choose from a superior 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 unparalleled 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 fulfill specific functional demands with superior performance.
(11) Output flow code for ports A & B: Attain peak efficiency with the range of available output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each precision-engineered for optimal 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 calibrated in bar, ensuring uncompromising safety of your system.
(13) Function ON/OFF and pressure outlet options: Personalize with options like: 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 precise control and unmatched functionality.
(14) Operation modes: Choose from diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 variant crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from an array of adaptable solutions: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each option meticulously crafted for seamless adaptability and integration into your systems.
(16) End plate options: Explore our expertly designed end plate solutions: E1, the standard choice, features an external discharge of pilot oil and an external oil return control port T; E2, similar to E1, is enhanced with the addition of port Y; E3, with a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve standards when activated.
E4, akin to E1, ingeniously incorporates an internal discharge of pilot oil with a sealed port T; E5, mirroring E2, also includes internal discharge; E6 parallels the sophistication of E3, with each model ensuring superior discharge control.
(17) Control voltage and anti-explosion cable options: Choose from a suite of secure and compatible selections like G12-12VDC, designed for maximum safety and specialization in challenging applications.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 brilliantly illuminated the hydraulic industry with a tradition of groundbreaking innovation and unmatched excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our status as a distinguished national high-tech enterprise. Our expertise shines through the meticulous research, development, manufacturing, and sales of premium hydraulic components. Being honored as a national 'specialized, refined, and innovative' small giant enterprise confirms our unwavering commitment to technological advancement and superior quality. This relentless dedication firmly positions us as frontrunners in the dynamic world of hydraulics.
Our enhanced Safety Atex Valve, the flagship product, exemplifies the pinnacle of advanced hydraulic system control. This expertly engineered load-sensitive proportional valve is designed for construction machinery and heavy-duty equipment, making it indispensable 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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