Welcome to the future of hydraulic control with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These marvels of engineering represent an extraordinary leap in hydraulic technology, effortlessly melding pressure, flow, and directional control into one seamless, harmonious innovation. This fusion ensures extraordinary performance and unwavering reliability, tailored for every demanding application. Typically composed of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are expertly designed for integration into high-caliber hydraulic systems, indispensable for elite engineering machinery. They deftly manage the movement direction and speed of hydraulic cylinders, motors, and various actuators, delivering unmatched precision and control. Noteworthy features include a compact structure, superior energy efficiency, and the capacity for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under diverse load conditions, providing unparalleled performance and versatility across a wide array of applications.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring steadfast and dependable operation across all environments. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may have a marginally slower response time, they excel by offering extraordinary energy-saving capabilities, making them the go-to choice for applications where efficiency is of utmost importance. With their pioneering design and energy-efficient architecture, HLPSV valves emerge as the ideal solution for advanced hydraulic control needs, offering an impeccable blend of precision, dependability, 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 foundation of steadfast and reliable performance, ensuring unstoppable efficiency and smooth operations.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and versatility, providing unmatched flexibility to accommodate a spectrum of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets trustworthiness, guaranteeing reliable and accurate operations::
2-G3/8; Crafted for compact and efficient performance, facilitating smooth and uninterrupted operational flows.
3-G1/2; Engineered for robustness and reliability, laying a steadfast foundation for your system.;
4-G3/4; Delivering advanced connectivity, superior control, and enhanced system integration.;
5, 55-G1; Perfect for high-demand applications with superior flow rate, ensuring consistent and reliable performance.;
6-G1 1/4; Offering unmatched performance, designed to excel and overcome various challenges.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented heights::
C,Standard Type - A reliable and solid baseline, tailored precisely to your fundamental operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures pinpoint accuracy in control, enhancing overall system efficacy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, offering superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored 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 requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and optimizing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, energizing it when unpowered;D/F - Comes equipped with a precision-engineered pressure limiting valve for secondary pressure (F50), featuring a pre-set pressure value. This state-of-the-art component ensures advanced safety measures, securing operations with unmatched reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This marvel of engineering offers tailor-made adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing versatility and precision. For those who value simplicity, /NF indicates the absence of a pressure limiting valve, meticulously crafted for HLPSV, ensuring optimal pressure control across a spectrum of scenarios. An indispensable asset for 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 tailored to match every conceivable application, ensuring that you receive a product finely tuned to meet your exacting standards.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted for seamless integration and unmatched operational harmony.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller for streamlined operations; 2, standard inflow controller for consistent performance; 4, an advanced 3-way flow controller for both inlet and outlet, precisely engineered for the N 3/3-way valve; 5, a reinforced inflow controller for enhanced durability; 8, pre-selectable options, each designed to ensure precision and elevated efficiency.
(10) Valve core function symbols: Discover a comprehensive spectrum of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to cater to unique and specific functional requirements, offering unparalleled adaptability.
(11) Output flow code for ports A & B: Optimize efficiency with a curated selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored to deliver optimal performance in every scenario.
(12) Secondary pressure limitation options: Choose from: N, offering no pressure limiting protection for maximum flow; C, providing simultaneous pressure limitation of actuator ports A & B for synchronized safety; A---B---, independent pressure limitation for ports A & B, all calibrated in bar, ensuring robust system integrity and protection.
(13) Function ON/OFF and pressure outlet options: Customizable options include: N, without function ON/OFF or pressure outlet for simplified systems; X, C type pressure limitation for controlled precision; S/S1, AB type pressure limitation for advanced control; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B, each meticulously engineered for precision control and adaptability.
(14) Operation modes: Experience a spectrum of operation modes: A(1,2), manual operation with the flexibility of long or short handle; E, electric proportional control for seamless integration; EA(1,2), a sophisticated blend of electric proportional control and manual operation; D, electric switching value control for immediate response; DA(1,2), combined electric switching value control and manual operation for versatile use; M, manual friction positioning with long handle for precise adjustments; H, pure hydraulic control aligning pilot oil ports with oil ports A and B for fluid operations; F, pure hydraulic control with perpendicular pilot oil ports, crafted for extensive and comprehensive control.
(15) Ancillary block port sizes: Select from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration into your hydraulic system.
(16) End plate options: Discover a tailored array of end plate choices, each meticulously designed to elevate your system's efficiency: E1, our standard option, features an external discharge of pilot oil and an external oil return control port T. For those requiring an additional port Y, E2 mirrors E1's capabilities. Meanwhile, E3 is equipped with a 2-position 3-way magnetic ball valve, ingeniously increasing system pressure to safety valve levels when the power supply is engaged.
E4, a sophisticated variant of E1, offers internal discharge of pilot oil and seals port T. E5, resembling E2, also boasts internal discharge capabilities. With E6, enjoy the benefits of E3, providing an advanced and reliable discharge control solution for your specific needs.
(17) Control voltage and anti-explosion cable length options: Choose from a versatile selection including G12-12VDC, tailored for safety and perfect compatibility with specialized 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 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.
){kind=link}