Introducing the cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves from Jiangsu KM Hydraulic Control System Co., Ltd. These extraordinary valves represent the zenith of hydraulic engineering, where pressure, flow, and directional control converge into a seamless and exquisite system. These valves are designed to deliver unmatched performance and unwavering reliability across a vast array of applications. Typically consisting of three vital modules - connecting blocks, directional valves, and end plates - these components are intricately engineered for integration into sophisticated hydraulic systems, indispensable for premier engineering machinery. They ensure precise regulation of movement direction and speed for hydraulic cylinders, motors, and other actuators, providing exceptional accuracy and control. Noteworthy features include a compact design, outstanding energy efficiency, and the capability for infinite speed control. In addition, they empower multiple actuators to operate concurrently under diverse loads, offering unparalleled performance and adaptability for any application.
The HLPSL valves are ingeniously designed for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. In contrast, the HLPSV valves are expertly crafted for variable pump systems. Although HLPSV valves may have a marginally slower response time, they excel in delivering superior energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves are the epitome of advanced hydraulic control solutions, providing an ideal fusion 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 keystone of reliability, ensuring smooth and efficient operations with consistent and steadfast performance throughout your system.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, providing exceptional flexibility to meet a wide range of operational needs.;
(2) Connection Block Ports P & R Specifications - Precision and reliability combine to forge a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency and designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, ensuring a solid base for system integrity.;
4-G3/4; Featuring advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with superior flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in demanding environments and tackle challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management for unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly fulfill your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and 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 - Introducing a marvel of modern engineering: this state-of-the-art precision-engineered pressure limiting valve for secondary pressure (F50) stands as a testament to innovation. It boasts a meticulously defined pressure value, ensuring that advanced safety measures are not just met but thoroughly enhanced. Elevate your operational security and reliability to unprecedented heights with this engineering masterpiece.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Step into the future of hydraulic systems with unparalleled versatility and precision. Our adjustable settings range across 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, effortlessly meeting diverse hydraulic demands. The /NF configuration offers systems devoid of a pressure limiting valve, precisely designed for HLPSV, ensuring unmatched pressure control for a myriad of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Experience a masterclass in design with each series, expertly crafted to suit every application. These products are perfectly aligned with your specific requirements, guaranteeing satisfaction.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Seamlessly integrate ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, which are masterfully engineered for flawless operation.
(9)Directional valve block inflow controller options: Choose from a versatile array: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each providing unmatched precision and efficiency.
(10) Valve core function symbols: Explore an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve optimum efficiency with available maximum output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for outstanding performance and reliability.
(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 to ensure uncompromising 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 functionality.
(14) Operation modes: Choose from a diverse range: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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 offering comprehensive and precise control.
(15) Ancillary block port sizes: Unlock unparalleled versatility with our precision-engineered selection: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously crafted option ensures effortless adaptability and smooth integration across a wide range of systems.
(16) End plate options: Discover our carefully curated end plate solutions: E1, your go-to standard, provides external pilot oil discharge and an external oil return control port T; E2, a close cousin of E1, offers even more flexibility with an additional port Y; E3 takes functionality to new heights with a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve standards at the flick of a switch.
E4, akin to E1, creatively combines internal pilot oil discharge with a sealed port T; E5, mirroring E2's features, utilizes internal discharge for peak performance; E6, inspired by E3's sophisticated design, ensures superior discharge control to meet every advanced need.
(17) Control voltage and anti-explosion cable options: Choose from our robust, specialized range, including G12-12VDC, crafted for ultimate safety and performance in the harshest 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 emerged as a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly uphold our identity as a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain, setting benchmarks in the industry.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes applications, including 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 the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy of 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality,' we are unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new standards 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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