Presenting our extraordinary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a beacon of hydraulic engineering brilliance. These avant-garde innovations are the epitome of excellence, flawlessly combining pressure, flow, and directional control into one unified, stunning entity. This ensures peerless performance and reliability across all applications. Each valve is intricately constructed from three vital functional modules: connecting blocks, directional valves, and end plates, all designed for seamless integration into elite hydraulic systems, indispensable for premium engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precise and controlled operations. Standout features include a compact structure, leading-edge energy efficiency, and the ability for stepless speed modulation. Furthermore, they enable multiple actuators to function in unison under various load conditions, offering extraordinary performance and adaptability across a wide range of applications.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering and dependable operation in any environment. Contrastingly, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may exhibit a marginally slower response time, they triumph in delivering remarkable energy-saving performance, rendering them the ultimate choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-conscious design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an impeccable combination 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, crafting a steadfast operational framework::
2-G3/8; Crafted for compact proficiency, these ports are tailored to support streamlined and seamless operational flows, ensuring maximum efficiency.
3-G1/2; Engineered for robustness and reliability, providing a solid foundation to uphold your system's integrity, even under the most demanding conditions.;
4-G3/4; Featuring advanced connectivity, these ports offer superior control and enhanced system integration, enabling fluid operations.;
5, 55-G1; Equipped with superior flow rates, perfectly suited for high-demand applications, ensuring performance remains consistent and reliable.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in challenging environments, ensuring all tasks are tackled effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights of excellence::
C,Standard Type - A dependable and trusted foundation, meticulously engineered to meet essential operational requirements while ensuring reliability.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing the overall efficiency and performance of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions tailored to 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 with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control through innovative design: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; Providing flexible solutions for optimal system behavior.D/F - Elevate your safety standards with our precision-engineered pressure limiting valve crafted specifically for secondary pressure (F50). This state-of-the-art feature guarantees superior safety protocols, significantly enhancing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable pressure settings ranging from 63 to 400 bar. This component exemplifies adaptability, fully catering to various hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, meticulously tailored 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 an engineering marvel, expertly crafted to meet diverse applications, providing you with a product that aligns seamlessly with your precise 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, engineered with precision for seamless integration and operation.
(9)Directional valve block inflow controller options: Choose from a versatile array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored specifically 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: Explore a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet specific functional requirements.
(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 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 measured in bar, ensuring uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor 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 functionality.
(14) Operation modes: Choose 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), 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 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, all meticulously crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover our exquisitely designed options, crafted for effortless integration and adaptability. Our expertly engineered selections include /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, offering unmatched flexibility tailored to perfectly meet your specifications.
(16) End plate options: Immerse yourself in our remarkable array of precisely crafted end plate solutions. E1 presents the standard option with an external discharge of pilot oil and an external oil return control port T. E2 mirrors E1 but is enhanced with an added port Y. Discover the innovation of E3, which includes a 2-position 3-way magnetic ball valve, elevating your system's pressure to meet safety valve standards when energized, ensuring unparalleled performance.
E4, constructed akin to E1, distinguishes itself with an internal discharge of pilot oil and a sealed port T. E5 replicates E2's features with an internal discharge capability. Unveil the elegance of E6, echoing E3's advanced design, with each variant ensuring superior discharge management for optimal system functionality.
(17) Control voltage and anti-explosion cable options: Ensure the safety and reliability of your system with our bespoke solutions. Opt for G12-12VDC, ideal for specialized applications requiring 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 been a beacon of innovative brilliance in the hydraulic industry, earning a reputation for groundbreaking advancements and unmatched excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly position ourselves as a distinguished national high-tech enterprise. Our expertise encompasses the meticulous research, development, manufacturing, and sales of premium hydraulic components. Holding the esteemed designation of a national 'specialized, refined, and innovative' small giant enterprise, we underscore our unwavering commitment to technological advancement and superior quality. Our relentless dedication and pioneering spirit position us as frontrunners in our field, consistently setting new standards for hydraulic innovation.
Our enhanced Safety Atex Valve, the crowning jewel of our product line, exemplifies the pinnacle of sophisticated hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is 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 remain 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 unprecedented benchmarks of excellence worldwide.
Inquiry:1. What about the lead time?
Response:Typically, the manufacturing lead time is approximately one month from the receipt of payment. Within this period, we engage in comprehensive preparations and adhere to stringent quality control procedures, ensuring each product reaches you in pristine condition. Our unwavering dedication to delivering flawless results is paramount to achieving your complete satisfaction.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We are pleased to offer you an extraordinarily low minimum order quantity, allowing you the flexibility to order as little as one piece for sample verification. This adaptability facilitates the effortless commencement of your projects, tailored to meet your exclusive requirements with utmost precision.
Inquiry:3. How to proceed with an order for LED lights?
Response: Initiate your order by sharing your comprehensive requirements or intended uses with us. We will then formulate a customized quote tailored to your specific needs or based on our expert recommendations. Once the drawings are approved and a deposit is made, we will finalize the order and commence production. We commit to exacting adherence to every specification, ensuring a flawlessly personalized solution crafted 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.
Inquiry:4. Is it OK to print my logo on the product?
Response: Absolutely, this is entirely possible. Please ensure that we are informed before production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with exceptional precision and brilliance, perfectly reflecting your identity.
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