Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, harmoniously integrating pressure, flow, and directional control into one superior, unified system. This unique synthesis ensures unparalleled performance and reliability across diverse applications. Crafted from three essential functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves fit seamlessly into high-end hydraulic systems, crucial for elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they facilitate the simultaneous operation of multiple actuators under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in remarkable energy-saving performance, making them the quintessential choice where efficiency reigns supreme. With their cutting-edge engineering and energy-savvy design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable mix 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 - Embodying the pinnacle of consistent excellence, this pump ensures a seamless operational flow, transforming your system into a masterpiece of precision engineering. Experience unmatched reliability and empower your machinery with extraordinary precision.;
HLPSV: Variable Displacement Pump - A beacon of flexibility and innovation, this pump delivers remarkable adaptability to meet diverse operational needs. With its advanced design, it allows seamless transitions and superior control, ensuring your system remains at the forefront of performance.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability to create a resilient operational framework. Crafted with meticulous detail, these specifications ensure flawless performance and enhanced dependability across all applications, laying a solid foundation for success.:
2-G3/8; Compact and efficient, this design supports streamlined operations with precision. Expertly crafted for space-limited environments, it promises excellent performance without compromise.
3-G1/2; Built for strength and reliability, this component serves as a robust backbone for your system's endurance. Designed to thrive under demanding conditions, it offers unwavering durability and performance.;
4-G3/4; With advanced connectivity, this component provides unmatched control and integration. Its sophisticated design elevates system efficiency, enhancing overall operational capability with finesse.;
5, 55-G1; Delivering exceptional flow rates for high-demand scenarios, this component ensures consistent, robust performance. Crafted for excellence, it adeptly handles high-pressure challenges with ease and precision.;
6-G1 1/4; Offering outstanding performance, this component excels in challenging environments. Designed to surpass expectations, it sets new standards in power and capability, tackling demanding tasks effortlessly.;
(3) Additional Components and Specifications - Enhance your system's capabilities with cutting-edge components that redefine operational excellence. These advanced specifications open new heights of performance, transforming your operations into a success benchmark.:
C,Standard Type - A trusted foundation, expertly crafted to meet essential operational demands. This component offers steadfast support and unmatched reliability, empowering your system to reach its full potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control to enhance your system's efficiency. This valve fine-tunes operations for maximum effectiveness, harmonizing every component for optimal results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering extraordinary performance and reliability. Surpassing traditional limits, it achieves exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience the pinnacle of power with our customized pressure control solutions, perfectly tailored for a myriad of applications. Designed with impeccable precision to cater to your unique requirements, these options deliver unparalleled accuracy, seamlessly aligning with your operational objectives for remarkable performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Introducing bespoke solutions engineered to flawlessly integrate with your distinct operational needs. Elevate your capabilities with customizable configurations that enable you to achieve desired results effortlessly and with utmost precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's performance and control: Meticulously crafted to optimize your system's efficiency, providing unmatched control and extraordinary effectiveness, transforming your operational potential significantly.C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump pressurization when powered, facilitates unloading when unpowered; D - Normally closed magnetic ball valve, engages pump unloading when powered, triggers pressurization when unpowered. Experience precision tuning that ensures exceptional system efficiency and adaptability.D/F - Introducing a state-of-the-art, meticulously engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted with extreme precision to maintain a specific pressure value, significantly enhancing safety measures and optimizing operational security and reliability to remarkable heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in exceptional versatility and precision with adjustable settings ranging from 63 to 400 bar. This component represents adaptability at its finest, seamlessly accommodating every hydraulic need. The /NF configuration offers systems without a pressure limiting valve, expertly designed for HLPSV, delivering unmatched pressure control for diverse applications with supreme accuracy.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series embodies a masterclass in design, expertly crafted to meet every application need, ensuring you receive a product that perfectly aligns with your specific requirements, consistently delivering exceptional performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, carefully engineered for faultless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller. Discover customizable options, each offering precise and exceptional efficiency, tailored to your specific needs.
(10) Valve core function symbols: Discover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Unleash the full potential of efficient fluid management with our selection of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each flow option is precision-engineered for impeccable performance and steadfast reliability, ensuring your operations are both smooth and efficient.
(12) Secondary Pressure Limitation Options: Elevate your system's safety and reliability with our precisely calibrated pressure limitation options, measured in bar. For straightforward tasks, select 'N' to operate without pressure limiting protection. Opt for 'C' when synchronized pressure limitation on actuator ports A & B is vital for maintaining consistent performance. For specialized and independent control, choose 'A---B---', designed for bespoke management of ports A and B. Every option is crafted with the utmost attention to detail, ensuring your operations are secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Enhance your operational efficiency with a variety of customizable options. For basic operations, select 'N', with no function ON/OFF or pressure outlet needs. If enhanced control is needed, 'X' with C type pressure limitation is ideal, or opt for 'S/S1' with AB type pressure limitation for superior oversight. For precision electrical control, choose 'A' for ON/OFF functionality on side A or 'B' for side B. Each option is crafted to deliver maximum precision and operational excellence.
(14) Operation Modes: Delve into our versatile operation modes, each crafted for exceptional precision. 'A(1,2)' allows manual control with customizable handle options. 'E' offers advanced electric proportional control, while 'EA(1,2)' blends this with manual operation for adaptability. 'D' provides electric switching value control, enhanced by 'DA(1,2)' with manual features. Choose 'M' for refined manual friction positioning with a long handle. Hydraulic operations are assured with 'H' and 'F', featuring distinctive pilot oil port designs for comprehensive system mastery.
(15) Ancillary Block Port Sizes: Enhance your system's adaptability and performance with our expertly designed port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 for seamless integration and peak performance across diverse systems and operational demands, ensuring your system operates at its optimum.
(16) End Plate Options: Unlock the potential of advanced system adaptability with our meticulously crafted end plate solutions. 'E1' offers external discharge of pilot oil with a controlled oil return port T. The 'E2' configuration adds port Y for increased flexibility. 'E3' introduces a 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels for superior reliability and performance.
E4 mirrors 'E1' with an innovative internal discharge of pilot oil and a sealed port T for enhanced efficiency. 'E5' combines the robust features of 'E2' with internal discharge, optimizing system performance. 'E6' embodies the advanced design of 'E3', offering superior discharge control for demanding system requirements, ensuring peak efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our secure and reliable voltage options such as the G12-12VDC, designed for optimal safety in challenging environments. Our offerings provide specialized solutions, ensuring unsurpassed system stability and performance at all times.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is a national high-tech enterprise dedicated to technological advancements and maintaining superior quality standards. Our expertise spans comprehensive research, cutting-edge development, precise manufacturing, and strategic marketing of premier hydraulic components. Celebrated as a 'specialized, refined, and innovative' small giant enterprise, we are committed to enhancing our standards of excellence, further solidifying our leadership in the industry.
At the core of our groundbreaking product range is our flagship innovation: the Enhanced Safety Atex Valve. This engineering marvel epitomizes state-of-the-art hydraulic system control, designed for flawless integration into construction machinery and heavy-duty equipment. It plays a pivotal role in diverse applications, from life-saving emergency rescue operations to intricate tunnel engineering, ambitious mining projects, and essential municipal service vehicles. Our commitment to strategic partnerships with leading domestic manufacturers accelerates the localization of key hydraulic components for high-end mechanical equipment. Guided by our philosophy-'serving customers with technology, impressing with attitude, and retaining with quality'-we are dedicated to producing outstanding products, delivering exceptional services, and providing innovative solutions. With a vision to be globally acknowledged as a trusted supplier of premier hydraulic components, we are determined to establish new standards of excellence internationally.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution 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.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
){kind=link}