Witness the unveiling of our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These marvels of engineering innovation epitomize the zenith of hydraulic technology, effortlessly merging pressure, flow, and directional control into one cohesive and elegant solution. This integration ensures superior performance and unmatched reliability across diverse applications. Each valve system is crafted from three integral functional modules - connecting blocks, directional valves, and end plates - designed with precision for flawless incorporation into high-performance hydraulic systems essential for premier engineering machinery. These valves expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled accuracy and command. Noteworthy features include a compact design, outstanding energy efficiency, and seamless speed control capability. In addition, they empower a multitude of actuators to operate concurrently under varying loads, ensuring superior performance and adaptability for any challenging application.
The HLPSL valves are meticulously customized for constant displacement pump systems, guaranteeing steady and dependable operation in every environment. Conversely, the HLPSV valves are intricately crafted for variable pump systems. Although HLPSV valves might exhibit a slightly slower response time, they excel in providing remarkable energy-conserving performance, making them the quintessential choice for applications where energy efficiency is essential. With their avant-garde engineering and energy-efficient architecture, HLPSV valves emerge as the leading solution for sophisticated hydraulic control demands, offering an ideal fusion of precision, dependability, and energy 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 foundation of consistent and unwavering performance, ensuring your operations glide effortlessly and efficiently.;
HLPSV: Variable Displacement Pump - Embodies adaptability and flexibility, offering unmatched versatility to meet a wide range of operational needs.;
(2) Connection Block Ports P & R Specifications - Precision and reliability unite, ensuring dependable operations::
2-G3/8; Crafted for compact efficiency, accommodating streamlined and smooth operational flows.
3-G1/2; Engineered for robustness and dependability, providing a steadfast foundation for your system.;
4-G3/4; Facilitating advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With an exceptional flow rate, this option is ideal for high-demand applications, ensuring consistent performance throughout.;
6-G1 1/4; Delivering unparalleled performance, designed to excel in the field and conquer challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable and reliable baseline, tailored to meet your fundamental operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional 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 customized solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and elevating control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when energized, unloading it when de-energized; D - Normally closed magnetic ball valve, unloading the pump when energized, pressurizing it when de-energized;D/F - Features a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Providing cutting-edge safety measures to secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component epitomizes versatility and precision. For those who prefer simplicity, /NF signifies no pressure limiting valve, specifically tailored for HLPSV. This feature ensures peak pressure control across diverse scenarios, making it indispensable for all your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application, guaranteeing a product perfectly aligned with your precise specifications.
(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, expertly designed for seamless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Delve into a comprehensive array of core functionalities: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements.
(11) Output flow code for ports A & B: Elevate efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, customized for optimal performance.
(12) Secondary pressure limitation options: Opt between: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, each measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your options with: N, absence of 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 crafted for precise control.
(14) Operation modes: A spectrum of operation modes available: 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, designed for comprehensive mastery.
(15) Ancillary block port sizes: Choose from versatile configurations: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Discover our tailored end plate choices designed to meet your specific needs. Options include: E1, the standard choice, offering external discharge of pilot oil and an external oil return control port T for seamless operation; E2, similar to E1, but enhanced with an additional port Y for greater flexibility; E3, featuring a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels during power supply, ensuring optimal performance and safety.
E4, closely resembling E1, provides internal discharge of pilot oil and a sealed port T for enhanced protection; E5 mirrors E2 but with the added benefit of internal discharge; E6, akin to E3, guarantees sophisticated discharge control. Each option is meticulously designed to ensure superior control and reliability in demanding environments.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our expertly curated selection of options like G12-12VDC, crafted to guarantee the utmost safety and compatibility with specialized applications, allowing you to tailor your equipment precisely to your operational requirements.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 flagship product, the load-sensitive proportional valve, epitomizes 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:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.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 possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
Audited Supplier 
){kind=link}