Presenting the revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves from Jiangsu KM Hydraulic Control System Co., Ltd., designed for the pinnacle of mining equipment safety. These extraordinary engineering marvels epitomize the forefront of hydraulic innovation, flawlessly merging pressure, flow, and directional control into a unified, elegant solution. This fusion promises unmatched performance and dependability across all applications. Typically crafted from three vital modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for incorporation into elite hydraulic systems, indispensable for top-tier engineering machinery. They meticulously manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unsurpassed precision and control. Key features include a compact design, superior energy efficiency, and the ability for stepless speed control. Furthermore, they enable multiple actuators to function concurrently under varying loads, offering unprecedented performance and adaptability for any application.
The HLPSL valves are precisely designed for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a marginally slower response time, they excel in providing outstanding energy-saving performance, making them the quintessential choice for applications where efficiency is critical. Through their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated 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 cornerstone of consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for varied 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 - Streamlining efficiency and boosting control in your operations: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;D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure regulation (F50) that features a precise specified pressure value. This advanced mechanism ensures superior safety measures, providing unparalleled security in operations, making it an essential component in your safety arsenal.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This versatile component offers adjustable settings at pressure levels of 63, 120, 210, 280, 315, 350, and 400 bar. It stands as a beacon of versatility and precision in hydraulic control. The /NF variant, specifically tailored for HLPSV, offers simplicity by eliminating the pressure limiting valve. This guarantees optimal pressure regulation across a multitude of scenarios, rendering it indispensable for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence: Each series is crafted with meticulous attention to detail, ensuring that it meets the specific demands of various applications. This classification represents the epitome of excellence and precision.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is precisely tailored to meet your exact requirements, providing a specialized product that guarantees satisfaction and performance excellence.
(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, designed with precision for seamless integration into your system.
(9)Directional valve block inflow controller options: Experience a range of selections: 1, without inflow controller; 2, standard inflow controller; 4, 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 choice provides unmatched precision and efficient control.
(10) Valve core function symbols: Delve into an extensive selection of core functions: L, M, F, H, J, B, R, O, N. Each symbol is meticulously designed to cater to distinct functional needs, ensuring comprehensive solutions for every requirement.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. These options are crafted for unparalleled performance and reliability.
(12) Secondary pressure limitation options: Tailor your system with choices like: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar. These options ensure comprehensive safety and robust protection.
(13) Function ON/OFF and pressure outlet options: Customize with options such as: 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 is meticulously crafted for precise control.
(14) Operation modes: Explore diverse operation modes available: A(1,2), manual operation with the option for a 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 with manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; F, pure hydraulic control featuring perpendicular pilot oil ports. These modes are engineered for comprehensive control and adaptability.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These are meticulously engineered for seamless adaptability, ensuring flawless compatibility with your system.
(16) End plate options: Elevate your system's performance with our expertly tailored end plate choices. Choose from E1, a standard design featuring both external pilot oil discharge and an external control port T for oil return. Opt for E2, which builds upon E1 with an added port Y for enhanced functionality. For those requiring a higher level of operational safety, E3 incorporates a 2-position 3-way magnetic ball valve, which elevates the system pressure to safety valve levels upon power supply.
E4 offers a variation similar to E1 but includes an internal discharge of pilot oil and a sealing port T. Opt for E5 for a design akin to E2, again with an internal discharge feature. E6, mirroring E3, ensures your system benefits from precise and sophisticated discharge control, tailored for demanding applications.
(17) Control voltage and the length of anti-explosion type cable options: Select from an array of carefully curated options, including the G12-12VDC option, which is meticulously designed to guarantee safety and seamless compatibility with specialized applications.G24, offering robust performance and reliability tailored to your precise needs.-Choose from 24VDC; the G24Ex-3m-24VDC for extended reach; G12Ex-3m-12VDC for secure low voltage solutions; G24MA-3m-24VDC for advanced reliability; or G, designed for optimal performance.12, offering a compact yet powerful solution.bb621436, ensuring a solid foundation for your hydraulic system's excellence.
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:Our standard production lead time is approximately one month after payment is confirmed. During this period, we engage in meticulous preparation and enforce strict quality control measures, ensuring that each product is delivered to you flawlessly. Your satisfaction with our precise and timely delivery remains our highest priority.
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Answer: We offer an impressively low minimum order quantity, granting you the flexibility to order even just a single piece for sample verification. This flexibility allows you to initiate your projects effortlessly and accurately, accommodating your specific needs without any inconvenience.
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Answer: To begin, please share your detailed requirements or intended applications with us. We will then craft a tailored quote specifically for your needs, guided by our expert insights. Once the drawings are confirmed and a deposit is placed, we will finalize your order and start production, adhering meticulously to every specification. This ensures a seamless and personalized solution 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.
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Answer: Absolutely, this is certainly possible. Please inform us formally before production begins and confirm the design with the sample we provide. This ensures your branding is displayed with utmost precision and exceptional quality, perfectly reflecting your identity.