Presenting our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These extraordinary feats of hydraulic engineering epitomize the zenith of innovation by integrating pressure, flow, and directional control into one cohesive unit. As embodiments of superior performance and dependability, these valves are typically made up of three indispensable functional modules - connecting blocks, directional valves, and end plates. Their meticulous design makes them indispensable for high-performance hydraulic systems, serving as the cornerstone for elite engineering machinery. These valves govern the direction and velocity of hydraulic cylinders, motors, and other actuators with remarkable precision and control. Key features include a space-efficient design, enhanced energy savings, and seamless speed modulation. Additionally, they allow for the simultaneous operation of multiple actuators under diverse loads, ensuring unparalleled performance and adaptability for any hydraulic challenge.
The HLPSL valves have been precisely crafted for constant displacement pump systems, ensuring unwavering and dependable functionality across various conditions. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves might exhibit a marginally slower response time, they are unparalleled in their energy-efficient performance, making them the optimal solution where energy conservation is vital. With their avant-garde engineering and energy-conscious design, HLPSV valves distinguish themselves as the ultimate choice for sophisticated hydraulic control needs, seamlessly blending 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 consistency, this pump guarantees unwavering performance to maintain seamless and efficient system operations.;
HLPSV: Variable Displacement Pump - Embodying adaptability and flexibility, this pump provides exceptional versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets steadfast reliability, constructing a dependable operational framework::
2-G3/8; Expertly crafted for compact efficiency, this design ensures streamlined and seamless operational flows.
3-G1/2; Built for durability and trustworthiness, this port provides a solid foundation for system integrity.;
4-G3/4; Featuring advanced connectivity, this port offers superior control and enhanced system integration.;
5, 55-G1; Designed for high-demand applications with outstanding flow rates, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, this port excels in demanding environments, effortlessly tackling challenges.;
(3) Additional Components and Specifications - Amplifying system capabilities to new dimensions::
C,Standard Type - A reliable and trusted foundation, designed meticulously to satisfy essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Assures precision control, optimizing the overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management, ensuring unsurpassed performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to seamlessly meet your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing system efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, charges the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, charges it when unpowered;D/F - Discover the pinnacle of innovation with our precision-engineered pressure limiting valve for secondary pressure (F50). This masterpiece is designed with a specifically defined pressure value that takes advanced safety measures to a new height, optimizing operational security and reliability like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, seamlessly meeting every hydraulic need. Embrace the /NF configuration for systems without a pressure limiting valve, meticulously crafted for HLPSV, delivering 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 is a masterclass in design, expertly conceived to fit every application, ensuring a product perfectly aligned 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; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for smooth and flawless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array: 1, without inflow controller; 2, standard inflow controller; 4, an 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 offering precision and remarkable efficiency.
(10) Valve core function symbols: Uncover an extensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional prerequisites.
(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 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 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: Select from a diverse range of operation modes: A(1,2), manual operation with optional 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), 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: Unlock unparalleled versatility with our masterfully engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is crafted with precision for seamless adaptability and flawless integration into a broad array of systems, ensuring unmatched performance across various applications.
(16) End plate options: Discover our meticulously crafted end plate solutions designed to elevate your system: E1, your standard selection, features an external discharge of pilot oil and an external oil return control port T; E2, maintaining the core qualities of E1, is enhanced with an additional port Y to provide extra adaptability; E3, equipped with a 2-position 3-way magnetic ball valve, adeptly elevates system pressure to safety valve standards upon activation.
E4 is ingeniously designed like E1, integrating an internal discharge of pilot oil with a sealed port T for superior efficiency; E5 mirrors E2's features, offering internal discharge for optimal operational performance; E6 embodies the sophisticated engineering of E3, delivering advanced discharge control across all variants, ensuring peak performance and innovative solutions.
(17) Control voltage and anti-explosion cable options: Choose from our secure and expertly compatible range to meet diverse needs, including G12-12VDC, designed specifically for safety and specialization in the most demanding scenarios, ensuring reliability and excellence.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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