Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as 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 reliability, ensuring your operations run with smoothness and unparalleled efficiency by delivering consistent and unwavering performance across your entire system.;
HLPSV: Variable Displacement Pump - Embodying adaptability and versatility, it provides exceptional flexibility to meet an extensive array of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to forge a dependable operational framework::
2-G3/8; Meticulously crafted for compact proficiency, its design supports streamlined, seamless operational flows.
3-G1/2; Engineered with robustness and reliability, it establishes a solid foundation for your system's integrity.;
4-G3/4; Featuring state-of-the-art connectivity, it offers superior control and enhances system integration.;
5, 55-G1; Boasting superior flow rates, it's perfect for high-demand applications, ensuring consistent and trustworthy performance.;
6-G1 1/4; Delivering unrivaled performance, it's expertly designed to thrive in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented heights::
C,Standard Type - A reliable, trusted foundation, meticulously crafted to meet essential operational requirements with finesse.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing your system's overall efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, delivering unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke 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 to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Optimizing efficiency and control for superior system performance: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 - Introducing our state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50), equipped with a specifically defined pressure value. This engineering marvel is meticulously designed to enhance advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, seamlessly meeting every hydraulic requirement. With the /NF configuration, it offers systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering unparalleled pressure control across a wide array of applications.
(7) Product Series Classification - Embodying Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, expertly crafted to cater to every application, ensuring 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; Including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill distinct functional requirements.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and unwavering dependability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring the highest level of system safety.
(13) Function ON/OFF and pressure outlet options: Customize your experience with options like: 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 enhanced functionality.
(14) Operation modes: Select from a diverse variety of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious 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, each crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our ingeniously crafted port size selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously engineered option allows for smooth adaptability and seamless integration into a wide variety of systems, guaranteeing flawless performance.
(16) End plate options: Delve into our thoughtfully curated end plate solutions: E1, the reliable standard, provides an external discharge for pilot oil and an external oil return control port T; E2 mirrors E1 but introduces an additional port Y for enhanced flexibility; E3 incorporates a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve standards upon activation.
E4, crafted with the innovation of E1, integrates an internal discharge for pilot oil with a securely sealed port T; E5 mirrors the adaptability of E2, featuring internal discharge for peak performance; E6 exemplifies the sophisticated engineering of E3, offering superior discharge control across all configurations.
(17) Control voltage and anti-explosion cable options: Choose from our secure and highly compatible offerings, including G12-12VDC, expertly designed for safety and specialized performance in the most challenging applications.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 stood as a luminous beacon of innovation and excellence within the hydraulic industry. As a distinguished subsidiary under the prestigious China Baoan Group (stock code: 000009), our reputation as a national high-tech enterprise is one we uphold with pride. Our unparalleled expertise spans the meticulous research, innovative development, precise manufacturing, and strategic sales of premium hydraulic components, establishing us as a paragon of industry leadership. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise further underscores our unwavering commitment to technological advancement and superior quality craftsmanship. This relentless dedication clearly positions us as pioneers and leaders within our domain.
Our flagship marvel, the enhanced Safety Atex Valve, embodies the pinnacle of advanced hydraulic system control. This meticulously engineered component is crafted for deployment in construction machinery and heavy-duty equipment, serving as an indispensable asset in high-stakes environments such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, playing a pivotal role in the localization of core hydraulic components for high-end mechanical equipment. Our core philosophy, 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality,' is the driving force behind our unwavering commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally revered supplier of premier hydraulic components, continuously setting new benchmarks of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution 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: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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