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 - This is the bedrock of unwavering performance, a true assurance that your operations will proceed with smoothness and efficiency.;
HLPSV: Variable Displacement Pump - A shining example of adaptability and versatility, offering unmatched flexibility to cater to a wide array of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability here, ensuring operations you can trust::
2-G3/8; Designed for utmost compact efficiency, facilitating streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and dependability, providing a rock-solid foundation for your system.;
4-G3/4; Featuring advanced connectivity, delivering superb control and refined system integration.;
5, 55-G1; Offering a superior flow rate, ideal for high-demand applications, ensuring sustained performance.;
6-G1 1/4; Delivering unmatched performance, crafted to excel in demanding environments and surmount challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary heights::
C,Standard Type - A steadfast and reliable baseline, perfectly tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Precision control is assured, enhancing the overall system's efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives superior flow management, ensuring exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Custom pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions seamlessly meeting your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, applying pressure to the pump when powered and unloading when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and applying pressure when unpowered;D/F - Equipped with a specialized pressure limiting valve for secondary pressure (F50) that boasts a precise pressure value, this feature introduces cutting-edge safety protocols to guarantee secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This advanced component provides adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, embodying the epitome of versatility and precision. For those who value straightforwardness, /NF indicates no pressure limiting valve, crafted specifically for the HLPSV. This unique feature ensures exceptional pressure control across diverse scenarios, making it an essential asset for your hydraulic demands.
(7) Product Series Classification - Representing the Zenith of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly tailored to meet every application, guaranteeing that you acquire a product that fulfills your exact requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration and adaptability.
(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, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precise control and operational efficiency.
(10) Valve core function symbols: Delve into a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to satisfy distinct functional needs.
(11) Output flow code for ports A & B: Optimize operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed 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, ensuring robust and resilient system safety.
(13) Function ON/OFF and pressure outlet options: Tailored 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, each engineered for precise and accurate control.
(14) Operation modes: A diverse array of operation modes is available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and 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, designed for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability and integration.
(16) End Plate Options: Discover our tailored end plate choices meticulously designed for your convenience: E1 - Our standard model, featuring an external discharge of pilot oil and an external oil return control port (T), for enhanced operational efficiency; E2 - Similar to E1, but with an additional port (Y) for extended versatility; E3 - Equipped with a 2-position 3-way magnetic ball valve, ingeniously elevating system pressure to safety valve levels during power supply, ensuring peak performance and safety.
E4 - Resembling E1, this option includes an internal discharge of pilot oil coupled with a sealing port (T) for seamless operations; E5 - Mirroring E2, this variant also features an internal discharge, optimizing your hydraulic system's functionality; E6 - With characteristics of E3, this variant ensures precise and sophisticated discharge control, meeting high standards of hydraulic excellence.
(17) Control Voltage and Anti-Explosion Type Cable Options: Choose from our carefully curated selection to match your safety and application needs: G12-12VDC - This option provides reliable safety and is compatible with specialized applications, ensuring you receive the highest quality performance.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 Valve System for Enhanced Safety in Hydraulic Equipment, 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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