Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations showcase the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in numerous settings. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Despite a slightly slower response time, HLPSV valves excel in delivering exceptional energy-saving performance, making them the ultimate choice for energy-conscious applications. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect 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 foundation of reliable and consistent performance, guaranteeing seamless and efficient operations.;
HLPSV: Variable Displacement Pump - A testament to adaptability and flexibility, providing unmatched versatility for a wide range of operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring dependable operations::
2-G3/8; Engineered for compact efficiency, facilitating streamlined and seamless operational processes.
3-G1/2; Constructed for robustness and reliability, providing a strong foundation for your system.;
4-G3/4; Delivering advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Featuring a superior flow rate, this choice is ideal for high-demand applications, guaranteeing consistent performance.;
6-G1 1/4; Delivering unmatched performance, crafted to excel in challenging environments.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented levels::
C,Standard Type - A dependable and reliable standard, customized for your vital operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, enhancing performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for varying applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to meet your precise operational needs effortlessly.
(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, 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 - Equipped with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Ensuring advanced safety measures to protect operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels, this sophisticated component shines in its versatility and precision. For those who prefer a streamlined approach, /NF signifies no pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across diverse conditions, making it an essential element for your hydraulic system needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is precisely engineered to suit every unique application, ensuring you receive a product that aligns perfectly 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 blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all crafted for flawless 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, ideally suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring reliable precision and unparalleled efficiency.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct functional requirements.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously designed for exceptional performance.
(12) Secondary pressure limitation options: Select between: N, no 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, providing robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable options include: 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, meticulously designed for precision control.
(14) Operation modes: Explore diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend 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, all crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for seamless adaptability.
(16) End plate options: Discover our bespoke end plate choices designed to meet your precise needs. Options include: E1, the standard option, featuring external discharge of pilot oil and an external oil return control port T. E2, building on E1 with the addition of a versatile port Y. E3, equipped with a 2-position 3-way magnetic ball valve, enabling the system pressure to reach safety valve levels during power supply, ensuring enhanced operational safety.
E4, mirroring E1 but with internal discharge of pilot oil and a sealing port T. E5, offers similar features to E2, but with internal discharge, providing a seamless control experience. E6, parallel to E3, guarantees a refined discharge control system, facilitating sophisticated and reliable management of hydraulic operations.
(17) Control voltage and anti-explosion type cable options: Choose from our meticulously curated options such as G12-12VDC, which ensure impeccable safety standards and compatibility with your specialized applications, providing peace of mind and operational excellence.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:When it comes to our production timeline, we pride ourselves on a swift and efficient process. Typically, the lead time is approximately one month after the payment is received. Within this timeframe, we meticulously prepare and enforce rigorous quality control protocols, ensuring that each product we deliver is in impeccable condition. Our commitment to exceptional delivery and your satisfaction is unparalleled.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: At Jiangsu KM Hydraulic Control System Co., Ltd., we understand the importance of flexibility. Therefore, we are pleased to offer a remarkably low minimum order quantity, giving you the freedom to order as little as one piece for sample verification. This approach empowers you to launch your projects effortlessly, aligning perfectly with your individual demands without any complications.
Question:3. How to proceed with an order for LED lights?
Answer: Embark on your order journey by providing us with your comprehensive requirements or the intended use of the products. We will then craft a personalized quote tailored to your specific needs, or offer expert guidance as necessary. Once you approve the drawings and place a deposit, we will finalize the order and initiate production. We meticulously ensure that every detail meets exact specifications, delivering a seamless and bespoke solution tailored 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: Certainly, customization is at the heart of our service. We can definitely print your logo on the product. Please inform us formally before we commence production and confirm the design based on the sample we provide. This ensures that your branding is represented with the highest precision and quality, mirroring your brand identity flawlessly.
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