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 pivotal element of consistent performance, this pump assures unyielding reliability, seamlessly powering your operations with unmatched efficiency.;
HLPSV: Variable Displacement Pump - A paragon of adaptability, this pump offers versatile solutions, effortlessly accommodating diverse operational demands with unrivaled flexibility.;
(2) Connection Block Ports P & R Specifications - The perfect fusion of precision and reliability, promising steadfast operations::
2-G3/8; Crafted for optimal efficiency, this design supports sleek workflows, ensuring consistency and seamless integration.
3-G1/2; Engineered for durability and trustworthiness, it lays a robust groundwork for impeccable system stability.;
4-G3/4; Pioneering advanced connectivity, it enhances control and fosters superior system integration.;
5, 55-G1; Boasting a superior flow rate, this choice excels in high-demand scenarios, ensuring unwavering performance.;
6-G1 1/4; Delivering unparalleled performance, it's designed to triumph in the field, overcoming any challenge.;
(3) Additional Components and Specifications - Elevating your system capabilities to unprecedented heights::
C,Standard Type - Your dependable baseline solution, customized for essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, thereby enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Streamlines flow management for superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions to match varied application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Custom solutions designed for seamless integration with your operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when not; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when not;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) set to a specified pressure value; Ensures advanced safety precautions for secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This advanced component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. It stands as a testament to versatility and precision, addressing the diverse demands of hydraulic systems. Opt for simplicity with the /NF option, designed without a pressure limiting valve, exclusively tailored for HLPSV. This feature is engineered to maintain optimal pressure control, making it an essential element for all your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; With meticulous design, each series is crafted to cater to every application, ensuring you acquire a product that perfectly aligns with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, this is crafted for seamless integration into your hydraulic system.
(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, optimized for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each designed for precision and enhanced efficiency.
(10) Valve core function symbols: Explore an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each uniquely engineered to meet specialized functional demands.
(11) Output flow code for ports A & B: Achieve peak efficiency with our spectrum of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all fine-tuned for superior 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 calibrated in bar to ensure a robust and secure system.
(13) Function ON/OFF and pressure outlet options: Tailor your system with: 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 option crafted for precise control and tailored performance.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control and manual operation; D, electric switching value control; DA(1,2), a blend of electric switching value control and manual operation; M, manual friction positioning with a 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, designed for comprehensive and adaptable control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, masterfully engineered for seamless adaptability across various applications.
(16) End plate options: Our tailored end plate choices provide a range of customization for your specific needs. We offer: E1, a standard option, featuring an external discharge of pilot oil and an external oil return control port T. E2 is similar to E1 but comes with an additional port Y for enhanced functionality. E3 includes a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels during power supply, offering robust and reliable performance.
E4 is similar to E1, but features an internal discharge of pilot oil with the sealing of port T. E5 mirrors E2, featuring an internal discharge ensuring a streamlined process. E6, akin to E3, offers sophisticated discharge control for advanced operation, ensuring precision and reliability in critical applications.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our carefully selected options, such as G12-12VDC, designed to ensure safety and seamless compatibility with even the most specialized applications. These options provide versatility and assurance for your operational needs.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.
){kind=link}