Discover the pinnacle of hydraulic engineering innovation with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These groundbreaking marvels of technology flawlessly fuse pressure, flow, and directional control into a cohesive and elegant system. This integration guarantees extraordinary performance and dependability for a wide array of applications. Typically, these valves consist of three critical functional modules: connecting blocks, directional valves, and end plates, each meticulously engineered to be seamlessly incorporated within high-end hydraulic systems-vital for top-tier engineering machinery. They govern the direction and speed of hydraulic cylinders, motors, and other actuators with unparalleled precision and control. Noteworthy features include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. Furthermore, these valves empower multiple actuators to operate simultaneously under varying loads, offering exceptional performance and versatility across diverse applications.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and dependable operation in every scenario. Conversely, the HLPSV valves are exquisitely designed for variable pump systems. Though HLPSV valves might exhibit a marginally slower response time, they excel in delivering remarkable energy-saving performance, positioning them as the superior choice for applications where efficiency is crucial. With innovative engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control demands, presenting an ideal fusion of precision, reliability, 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 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 - Lifting system capabilities to new 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 customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control: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 state-of-the-art pressure limiting valve for secondary pressure (F50) with a specified pressure value. This innovative feature ensures top-tier safety measures, securing seamless operations at all times.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Boasting adjustable settings at meticulous pressure levels of 63, 120, 210, 280, 315, 350, and 400 bar, this component epitomizes versatility and precision. For those who prefer simplicity, the /NF option signifies no pressure limiting valve, specifically crafted for HLPSV, guaranteeing optimal pressure control across a myriad of scenarios, cementing its role as an indispensable asset for all your hydraulic needs.
(7) Product Series Classification - A Testament to the Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each meticulously designed series is tailored to meet diverse application needs, ensuring precision-engineered solutions that perfectly align with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary components like the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all designed for seamless integration and unmatched performance.
(9)Directional valve block inflow controller options: Choose from a variety of precise inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller perfect for both inlet and outlet, especially for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each engineered for precision and unmatched efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions including L, M, F, H, J, B, R, O, N, each meticulously engineered to meet unique and specific functional requirements.
(11) Output flow code for ports A & B: Achieve efficiency maximization with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, specifically tailored for optimal hydraulic performance.
(12) Secondary pressure limitation options: Select between: N, without 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 to ensure robust and reliable system safety.
(13) Function ON/OFF and pressure outlet options: Explore customizable options including: N, without ON/OFF function 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 finely tuned for precise control.
(14) Operation modes: Discover diverse and dynamic operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), a fusion of 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, each crafted for comprehensive and unparalleled control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all expertly engineered for seamless adaptability and unmatched integration.
(16) End plate options: Delight in our tailored end plate choices that include: E1, a standard version featuring external discharge of pilot oil and an external oil return control port T; E2, which mirrors the features of E1 but adds an additional port Y for enhanced flexibility; and E3, equipped with a 2-position 3-way magnetic ball valve, which ingeniously elevates system pressure to safety valve levels when power is supplied, ensuring heightened security.
E4, similar to E1, offers internal discharge of pilot oil and a sealing port T for improved sealing efficiency; E5, akin to E2, incorporates internal discharge for seamless integration; and E6, reminiscent of E3, guarantees sophisticated discharge control, making each option a testament to advanced engineering and innovation.
(17) Control voltage and length of anti-explosion type cable options: Choose from our diverse range of control voltage options, such as G12-12VDC, tailored to ensure optimal safety and compatibility across a wide array of 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.
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