Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees 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 every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. 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 powerhouse of consistent and unwavering performance, ensuring your operations maintain an effortlessly smooth and efficient rhythm.;
HLPSV: Variable Displacement Pump - Exemplifying superior adaptability and flexibility, offering unmatched versatility to seamlessly meet diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision and reliability converge, ensuring operations you can trust::
2-G3/8; Engineered for compact efficiency, perfectly catering to streamlined and seamless operational workflows.
3-G1/2; Crafted for robustness and dependability, offering a solid foundation for your system's integrity.;
4-G3/4; Providing advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this choice is perfect for high-demand applications, ensuring steadfast performance.;
6-G1 1/4; Offering unparalleled performance, designed to excel in challenging environments and overcome obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and dependable baseline, meticulously tailored to your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures pinpoint control precision, enhancing the overall system's efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving elevated performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly accommodate specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Maximizing efficiency and enhancing 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 - This advanced system comes equipped with a pressure limiting valve for managing secondary pressure (F50) at a predetermined pressure value, offering sophisticated safety measures that secure your operations with unparalleled precision.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Featuring adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar, this component exemplifies versatility and precision. For those who prefer straightforward solutions, /NF signifies no pressure limiting valve, specifically crafted for HLPSV, ensuring optimal pressure control in a wide range of scenarios, thus becoming an essential component for your hydraulic needs.
(7) Product Series Classification - Define Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Lovingly tailored to suit every application, ensuring you receive a product that perfectly aligns 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; includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, a state-of-the-art 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 offering precise and efficient performance.
(10) Valve core function symbols: Discover a wide range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional demands.
(11) Output flow code for ports A & B: Amplify efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for peak performance.
(12) Secondary pressure limitation options: Opt for: 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, ensuring a secure and robust system.
(13) Function ON/OFF and pressure outlet options: Custom choices 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, each offering precise control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a mix 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 (pilot oil ports aligned with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive control over your system.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End Plate Options: Discover our bespoke end plate selections designed to meet your unique needs, including: E1, the standard choice, featuring external discharge of pilot oil and an external oil return control port T; E2, similar to E1 but enhanced with an additional port Y for greater versatility; and E3, equipped with a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels when powered.
E4, echoing the design of E1, offers internal discharge of pilot oil along with sealing port T; E5 mirrors E2 but with internal discharge, while E6 parallels E3, ensuring advanced discharge control across all models.
(17) Control Voltage and Cable Length Options for Anti-Explosion Types: Choose from a variety of options such as G12-12VDC, each engineered to guarantee safety and adaptability for specialized applications and demanding environments.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 revolutionized the hydraulic industry through 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 meticulous research, development, manufacturing, and sales of superior 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, continuing to lead with integrity and innovation.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered to meet the demands of 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 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 and ensuring our esteemed clients achieve their objectives with confidence.
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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