Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations embody the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into one harmonious masterpiece. This ensures unparalleled performance and reliability across diverse applications. Typically composed of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for seamless 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, ensuring unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond these, 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. Conversely, 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 - A cornerstone of dependability, providing unwavering and reliable performance, ensuring seamless and effective operations system-wide.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, offering exceptional versatility to meet diverse operation needs effortlessly.;
(2) Connection Block Ports P & R Specifications - Where precision and dependability converge to create a trusted operational backbone::
2-G3/8; Expertly crafted for compact efficiency, designed to support streamlined, uninterrupted operational flows.
3-G1/2; Engineered for strength and reliability, forming a robust foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, providing superior control and enhanced system integration.;
5, 55-G1; Facilitating superior flow rates, perfect for high-demand applications, ensuring consistent, dependable performance.;
6-G1 1/4; Delivering exemplary performance, ingeniously designed to excel in demanding environments, overcoming challenges with ease.;
(3) Additional Components and Specifications - Pushing system capabilities to new, unparalleled levels of performance::
C,Standard Type - A reliable and trusted base, meticulously crafted to fulfill essential operational demands.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unmatched performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing custom pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to flawlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressure when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading pump pressure when powered, pressurizing when unpowered.D/F - Experience the pinnacle of precision with this cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50). It boasts a specifically defined pressure value, showcasing a marvel of modern engineering. This valve is meticulously crafted to reinforce advanced safety measures, elevating operational security and dependability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, seamlessly fulfilling every hydraulic requirement. With the /NF configuration, indulge in systems poised without a pressure limiting valve, exquisitely engineered for HLPSV, offering unrivaled pressure control across diverse applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, ingeniously crafted to cater to every application. Experience a product perfectly tailored to meet your distinct requirements.
(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, exquisitely engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum of options: 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 offering exceptional efficiency and precision.
(10) Valve core function symbols: Explore an expansive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet distinct functional requirements.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each designed for unparalleled 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, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize 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 precision control and functionality.
(14) Operation modes: Choose from an array of operation modes: 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, crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unparalleled versatility with our masterfully designed options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously crafted for effortless adaptability and impeccable integration, ensuring flawless performance across diverse system demands.
(16) End plate options: Delve into our precisely engineered end plate solutions: E1, your go-to standard choice, provides an external discharge of pilot oil and an external oil return control port T for optimal efficiency; E2, akin to E1, is further enhanced with an additional port Y, offering increased flexibility; E3, features a 2-position 3-way magnetic ball valve, elevating system pressure to safety valve thresholds when engaged, ensuring peak performance and security.
E4, crafted in the spirit of E1, ingeniously incorporates an internal discharge of pilot oil alongside a sealed port T, optimizing functionality; E5 emulates the robust features of E2, with internal discharge for superior performance; E6 embodies the refined engineering of E3, offering sophisticated discharge control across all variants, guaranteeing advanced operational reliability.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure range, featuring G12-12VDC, tailored for maximum safety and performance in the most challenging 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 been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our identity as a national high-tech enterprise is proudly upheld. Our expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unmatched. Being designated as a national 'specialized, refined, and innovative' small giant enterprise reinforces our unwavering dedication to technological advancement and superior quality. This relentless dedication clearly positions us as leaders in our domain.
Our flagship product, the enhanced Safety Atex Valve, epitomizes the zenith of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is crucial 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, contributing significantly to the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'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 rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide.
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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