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 cornerstone of system dependability, offering unwavering performance to maintain smooth and efficient operations throughout your hydraulic system.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, providing exceptional versatility to meet a vast array of operational needs.;
(2) Connection Block Ports P & R Specifications - A fusion of precision and reliability, establishing a dependable operational framework::
2-G3/8; Expertly designed for compact efficiency, facilitating streamlined and seamless operational processes.
3-G1/2; Crafted for durability and reliability, providing a steadfast foundation for your system's structural integrity.;
4-G3/4; Incorporating advanced connectivity, offering superior control and enhanced integration within your system.;
5, 55-G1; Integrated with superior flow rates, perfect for high-demand applications, ensuring steady and dependable performance.;
6-G1 1/4; Delivering unparalleled performance, meticulously designed to thrive in challenging environments and tackle obstacles with ease.;
(3) Additional Components and Specifications - Propelling system capabilities to new zeniths::
C,Standard Type - A reliable and trusted base, purposefully crafted to fulfill essential operational criteria.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, elevating the overall efficiency and effectiveness of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, facilitating superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored for diverse operational applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions designed to seamlessly fulfill your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Amplifying efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when active, unloading it when inactive; D - Normally closed magnetic ball valve, unloading the pump when active, pressurizing it when inactive;D/F - Our precision-engineered pressure limiting valve, designed for secondary pressure (F50) with a specified pressure value, exemplifies cutting-edge innovation. This advanced feature is meticulously crafted to ensure unparalleled safety, significantly enhancing both operational security and system reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock unparalleled versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is a hallmark of adaptability, addressing all your hydraulic needs. For optimized configurations, /NF signifies the absence of a pressure limiting valve, precisely crafted for HLPSV, ensuring impeccable pressure management across a variety of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, masterfully designed to cater to every application, ensuring a product that aligns perfectly with your precise needs.
(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, meticulously engineered for seamless and efficient integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive suite of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted to satisfy specific functional requirements.
(11) Output flow code for ports A & B: Ensure maximum efficiency with peak output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for outstanding performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize with options such as: 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 control and functionality.
(14) Operation modes: Opt for a variety of operation modes: A(1,2), manual operation with a choice of 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), a combination 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 precise control.
(15) Ancillary block port sizes: Indulge in a selection of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, precisely crafted to ensure flawless adaptability and seamless integration into your systems.
(16) End plate options: Explore our meticulously designed end plate solutions: E1, the conventional choice, with external pilot oil discharge and external oil return control port T. E2 mirrors this but is enhanced with an additional port Y; E3 includes a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels when activated.
E4 shares design similarities with E1 but innovatively incorporates an internal discharge of pilot oil with a sealed port T; E5 replicates E2's features with internal discharge; E6 carries the sophistication of E3, with each version guaranteeing superior discharge control.
(17) Control voltage and anti-explosion cable options: Select from a variety of secure and compatible solutions like G12-12VDC, specifically designed for safety and specialization in demanding application 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 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 Enhanced Safety Valve Technology for MSHA Valve in Load Sensitive Control Systems, sets a new industry standard. This innovative, load-sensitive proportional valve epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component proves indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Our strategic partnerships with leading domestic manufacturers underline our pivotal role in localizing core hydraulic components for high-end mechanical equipment. We are guided by our core philosophy: 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality.' Our unwavering mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence across the globe.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this critical period, we engage in comprehensive preparations, executing stringent quality control protocols to ensure every product reaches you in pristine condition. Our commitment is unwavering: to deliver impeccably, securing your utmost satisfaction through flawless execution and prompt delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptional level of flexibility with a notably low minimum order quantity, allowing you to place orders starting from just a single unit for sample verification purposes. This adaptability ensures that you can smoothly kickstart your projects with precision and ease, catering to your unique specifications and exclusive needs effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Embark on your ordering journey by sharing your comprehensive requirements or envisioned applications with us. We will then craft a bespoke quote tailored specifically to your needs, drawing from our wealth of experience. Once you approve the drawings and place a deposit, we will formalize your order and commence production, ensuring meticulous adherence to every detail. Our promise is a seamless and personalized solution, perfectly aligned with your vision.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 feasible. Please ensure that you inform us formally before production begins, confirming the design based on the sample we provide. This ensures your branding is showcased with exceptional precision and excellence, capturing your unique identity flawlessly.
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