Embark on a journey into the future of hydraulic excellence with Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. Far more than components, these valves represent a perfect fusion of engineering mastery and advanced hydraulic innovation. They adeptly combine pressure, flow, and directional control into a single harmonious unit, delivering exceptional performance and steadfast reliability across various applications. Each valve, crafted with meticulous precision, comprises three core functional modules - connecting blocks, directional valves, and end plates - all designed for flawless integration into high-caliber hydraulic systems, vital for leading-edge engineering machinery. These sophisticated valves ensure precise regulation of hydraulic cylinders, motors, and actuators, providing unmatched precision and control. Featuring a sleek, compact design, outstanding energy efficiency, and seamless speed modulation, they enable multiple actuators to function simultaneously under diverse loads, delivering unprecedented performance and adaptability across a range of applications.
Expertly engineered for specific systems, the HLPSL valves are ideal for constant displacement pump systems, providing unwavering, reliable operations in any situation. In contrast, the HLPSV valves, meticulously designed for variable pump systems, while slightly slower in response, excel with their remarkable energy-saving capabilities, making them the perfect choice when efficiency is critical. These valves are at the forefront of state-of-the-art engineering and eco-friendly design, emerging as the quintessential hydraulic control solution, blending supreme precision, dependability, and energy efficiency into one seamless offering.
| 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 steadfast force in performance, delivering unwavering consistency to ensure smooth and effective operations throughout your entire hydraulic system.;
HLPSV: Variable Displacement Pump - Embodying ultimate adaptability, this pump provides unmatched flexibility, meeting diverse operational demands with exceptional agility and ease.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, establishing a robust operational framework::
2-G3/8; Designed for compact efficiency, ensuring seamless and unobstructed operational flows.
3-G1/2; Engineered for robust performance, maintaining the integrity and dependability of your system.;
4-G3/4; Equipped with advanced connectivity for superior control, seamlessly enhancing system integration.;
5, 55-G1; Offering remarkable flow rates, perfectly suited for high-demand applications, delivering consistent and reliable outcomes.;
6-G1 1/4; Unparalleled performance, crafted to thrive in challenging environments, effortlessly overcoming operational obstacles.;
(3) Additional Components and Specifications - Elevating system excellence to unprecedented heights::
C,Standard Type - A pillar of reliability, precisely engineered to meet vital operational needs with accuracy.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly boosting the system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving extraordinary performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions to precisely meet diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that perfectly align with your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control with unmatched precision:C - No magnetic ball valve; F - Discover our normally open magnetic ball valve, enabling seamless pump pressurization when powered and efficient unloading when unpowered; D - Experience the reliability of our normally closed magnetic ball valve, facilitating effective pump unloading when powered and pressurization when unpowered;D/F - Elevate your safety standards to unprecedented levels with our precision-engineered pressure limiting valve, meticulously crafted for secondary pressure (F50). This state-of-the-art feature ensures unparalleled safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embark on a journey of groundbreaking versatility and precision with customizable pressure settings ranging from 63 to 400 bar. This component epitomizes adaptability, fully accommodating an extensive array of hydraulic requirements. For seamless configurations, /NF represents no pressure limiting valve, intricately designed for HLPSV, ensuring impeccable pressure management across a broad spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece of engineering, expertly crafted to cater to diverse applications, providing you with a product that aligns perfectly with your precise needs.
(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 innovative intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered with precision for seamless integration and flawless operation.
(9)Directional valve block inflow controller options: Choose from a diverse selection of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill specific functional requirements and elevate system performance.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to deliver superior performance and unrivaled reliability.
(12) Secondary pressure limitation options: Select 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 measured in bar, ensuring uncompromised system safety and efficiency.
(13) Function ON/OFF and pressure outlet options: Personalize your system 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 option meticulously engineered for precise control and optimal functionality.
(14) Operation modes: Dive into our extensive selection of operation modes, offering unparalleled versatility and precision. Choose from A(1,2), featuring manual operation with your choice of long or short handle; E, the pinnacle of electric proportional control; EA(1,2), a brilliant synergy of electric proportional control and manual operation; D, for those who prefer electric switching value control; DA(1,2), a fusion of electric switching value control with manual operation; M, for manual friction positioning using the long handle; H, pure hydraulic control aligning pilot oil ports with ports A and B; and F, offering pure hydraulic control with perpendicular pilot oil ports. Each mode is meticulously designed for optimal and comprehensive control.
(15) Ancillary block port sizes: Elevate your systems with our precisely engineered port size solutions, ensuring seamless adaptability and integration. Select from our meticulously crafted options: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each choice offers unparalleled flexibility and is meticulously designed to meet your specific requirements with exceptional efficiency and effectiveness.
(16) End plate options: Discover a world of innovation with our expertly crafted end plate options. E1 sets a new standard with external pilot oil discharge and an external oil return control port T. Enhance your system with E2, which adds an additional port Y for increased functionality. Experience the groundbreaking innovation of E3, featuring a 2-position 3-way magnetic ball valve that elevates your system's pressure to top-tier safety valve levels when energized, ensuring superior performance and unmatched reliability.
E4 offers distinct advantages with internal pilot oil discharge and a sealed port T, akin to E1. E5 mirrors the excellence of E2, improved with internal discharge capabilities. Embrace cutting-edge technology with E6, following E3's forward-thinking design. Each variant ensures superior discharge control, optimizing your system's efficiency and performance to the highest levels.
(17) Control voltage and anti-explosion cable options: Fortify your system's safety and reliability with our extensive range of expertly customized solutions. Choose G12-12VDC for specialized applications requiring uncompromised safety and optimal compatibility.G24: The quintessential choice for consistent performance and unwavering reliability, ensuring excellence.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Elevate your strategic decisions with these options, meticulously engineered for maximum efficiency and adaptability across diverse and challenging environments.12: Crafted with precision and reliability, this option is expertly tailored for seamless integration into your systems, ensuring flawless operation.bb621436: The epitome of excellence, setting a new benchmark in our avant-garde design and pioneering innovation.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovative breakthroughs and unmatched excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly operate as a distinguished national high-tech enterprise. Our core expertise lies in the precise research, development, manufacturing, and sales of superior hydraulic components. As a recognized national 'specialized, refined, and innovative' small giant enterprise, we are committed to relentless technological advancement and top-tier quality. This steadfast dedication firmly establishes us as leaders in our sector.
Our cutting-edge Safety Atex Valve, the signature flagship product, represents the zenith of advanced hydraulic system control. Meticulously designed for construction machinery and robust heavy-duty equipment, this versatile component is indispensable for high-stakes applications such as emergency rescue missions, tunnel engineering, mining operations, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous top-tier domestic manufacturers, playing a crucial role in the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our commitment to provide exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premium hydraulic components, setting new standards of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this crucial period, we embark on comprehensive preparations, upholding the highest standards of quality control. This ensures that each product reaches you in pristine condition. Our unwavering dedication is to achieve your complete satisfaction with our impeccable delivery, making it our foremost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you the unique advantage of ordering as little as a single piece for sample verification. This flexibility empowers you to kickstart your projects effortlessly, catering precisely to your exclusive needs with utmost convenience and precision.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate your order by conveying your specific requirements or intended applications to us. We will meticulously prepare a bespoke quote, tailored exclusively for your needs, either through your detailed inputs or our expert recommendations. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We assure you that every specification will be met with precision, providing a seamless, customized solution that perfectly aligns with your vision.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 entirely possible. Please ensure that you formally notify us before production begins and confirm the design according to the sample we provide. This ensures your branding is represented with outstanding precision and excellence, perfectly embodying your identity.
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