Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations embody the zenith of hydraulic innovation, flawlessly combining pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unmatched performance and reliability in every application. Expertly crafted from three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, pivotal for top-tier engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key features include a compact structure, outstanding energy efficiency, and the provision for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under varying loads, delivering exceptional performance and versatility across all applications.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may display a marginally slower response time, they excel in providing superior energy-saving performance, making them the ideal choice for applications where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an impeccable 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 cornerstone of dependable hydraulic solutions, renowned for delivering unyielding and consistent performance. This pump is the backbone of your system, guaranteeing smooth and efficient operations at all times.;
HLPSV: Variable Displacement Pump - An epitome of flexibility and adaptability, this pump stands as a model of engineering excellence, offering remarkable versatility to meet diverse and demanding operational conditions.;
(2) Connection Block Ports P & R Specifications - Where precision engineering intersects with reliability, creating a robust and dependable operational infrastructure::
2-G3/8; Designed for compact precision, this connection supports efficient and seamless system operations with ease.
3-G1/2; Crafted for strength and dependability, it forms a steadfast foundation for the integrity of your system.;
4-G3/4; Boasting advanced connectivity, this port enhances control and elevates system integration to new heights.;
5, 55-G1; With superior flow rates, this port is perfect for high-demand applications, delivering reliable and consistent performance every time.;
6-G1 1/4; Offering unmatched performance, this port is expertly crafted to excel in challenging environments, overcoming obstacles effortlessly.;
(3) Additional Components and Specifications - Taking system capabilities to unparalleled levels of performance and efficiency::
C,Standard Type - This dependable and trusted foundation is meticulously crafted to satisfy fundamental operational needs with integrity.;
G,Throttle Valve (For HLPSL only) - Ensures precision control and boosts the efficiency of your entire system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving exceptional performance and steadfast reliability.;
(4) Pilot Oil Circuit Pressure Options - Customized pressure control solutions tailored for a wide array of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option is crafted to seamlessly fulfill your specific operational needs with precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, ensuring the pump is pressurized when powered and unloaded when not; D - Normally closed magnetic ball valve, maintaining pump unloading when powered and pressurization when unpowered;D/F - Behold the pinnacle of precision and innovation with this state-of-the-art pressure limiting valve tailored for secondary pressure (F50). This marvel, with its specifically calibrated pressure value, stands as a beacon of engineering brilliance, seamlessly elevating advanced safety protocols. Experience an unparalleled boost in operational security and reliability, setting new standards like never before.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Dive into the ultimate realm of adaptability and precision with adjustable settings ranging from 63 to 400 bar levels. This component epitomizes versatility, effortlessly addressing every hydraulic need. The /NF configuration presents a system without a pressure limiting valve, expertly crafted for HLPSV, offering remarkable 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 represents a masterclass in design, meticulously crafted to accommodate every application, ensuring you receive a product that aligns perfectly with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including sophisticated ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, skillfully engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Discover a versatile array of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering unmatched precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each artfully designed to meet specific functional requirements.
(11) Output flow code for ports A & B: Achieve peak operational excellence with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme 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, guaranteeing uncompromised system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system 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 flawless functionality.
(14) Operation modes: Choose 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 seamless blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a perfect fusion of 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, designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover unrivaled versatility with our meticulously engineered selections: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Every option is crafted to ensure seamless adaptability and flawless integration into a wide array of systems, providing you with the precision and efficiency you demand.
(16) End plate options: Dive into our exquisitely designed end plate solutions: E1, the standard bearer, offers external pilot oil discharge and an external oil return control port T; E2, mirroring E1, features an additional port Y for enhanced adaptability; E3, with its innovative 2-position 3-way magnetic ball valve, elevates system pressure to meet safety valve thresholds upon activation.
E4, echoing the design ethos of E1, ingeniously integrates internal pilot oil discharge with a sealed port T; E5, reflecting E2's attributes, incorporates internal discharge for elevated performance; E6 epitomizes the sophisticated engineering of E3, delivering advanced discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure and versatile selection, including G12-12VDC, engineered to ensure safety and optimal performance in the most challenging environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Ever since we opened our doors in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a shining example of innovation and excellence within the hydraulic industry. As a proud and prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company proudly upholds its status as a national high-tech enterprise. Our unmatched expertise spans meticulous research, advanced development, precise manufacturing, and strategic sales of premium hydraulic components, setting us apart in the industry. Being designated as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our unwavering commitment to technological advancement and superior quality. This relentless dedication distinctly positions us as trailblazers and leaders, spearheading our domain with exceptional prowess.
Introducing our crown jewel, the enhanced Safety Atex Valve, a masterpiece that represents the pinnacle of advanced hydraulic system control technology. Expertly designed for construction machinery and heavy-duty equipment, this indispensable component is essential for high-stakes scenarios including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with influential domestic manufacturers, playing a pivotal role in localizing 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' - remains the bedrock of our commitment. We are steadfast in providing exceptional products, outstanding services, and unparalleled solutions. Our mission is clear: to ascend as a globally trusted supplier of premier hydraulic components, establishing 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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