Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize the zenith of hydraulic innovation, harmoniously integrating pressure, flow, and directional control into one superior, unified system. This unparalleled synthesis ensures peerless performance and unmatched reliability across a broad spectrum of applications. Crafted with precision and expertise, these valves are composed of three essential functional modules - connecting blocks, directional valves, and end plates. They fit seamlessly into top-tier hydraulic systems, deemed crucial for elite engineering machinery. By expertly managing the movement direction and speed of hydraulic cylinders, motors, and other actuators, they provide unmatched precision and control. Key highlights include a sleek, compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they facilitate the simultaneous operation of multiple actuators under varying loads, delivering extraordinary versatility and performance for any application.
The HLPSL valves are meticulously engineered for constant displacement pump systems, ensuring steadfast and dependable operation in any environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves might exhibit a marginally slower response, they excel in remarkable energy-saving performance, making them the quintessential choice where efficiency reigns supreme. With their cutting-edge engineering and energy-savvy design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering an impeccable mix 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 - This cornerstone of hydraulic excellence ensures your machinery achieves peak performance with its unwavering stability and precision. Transform your operations with this pump, known for consistent, smooth flow and impeccable reliability, making it the heart of your system.;
HLPSV: Variable Displacement Pump - Embodying the spirit of innovation, this pump revolutionizes adaptability and operational flexibility. Its state-of-the-art design facilitates seamless transitions, enhancing control and keeping your system at the forefront of technological advancement.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability to create a foundation of operational excellence. With unparalleled attention to detail, these specifications ensure superior performance and dependability in every application, setting the benchmark for success.:
2-G3/8; Compact yet mighty, this design supports efficient operations in tight spaces with remarkable precision. Expertly manufactured to provide outstanding performance, it ensures no compromise on efficiency.
3-G1/2; Built for endurance, this component strengthens your system's resilience. Engineered to excel under pressure, it offers uncompromising reliability and robust performance even in demanding conditions.;
4-G3/4; With cutting-edge connectivity, this component delivers superior control and integration. Its advanced design boosts system efficiency, enhancing overall capabilities with unmatched finesse.;
5, 55-G1; Designed to meet high-demand situations, this component delivers exceptional flow and robust performance. It excels in addressing high-pressure challenges with precision and ease, setting a new standard in excellence.;
6-G1 1/4; Excelling even in the toughest conditions, this component redefines power and capability. Engineered to exceed expectations, it effortlessly handles demanding tasks, establishing new benchmarks in performance.;
(3) Additional Components and Specifications - Enhance your operations with state-of-the-art components that revolutionize performance. These advanced specifications elevate your system to new heights, transforming operational efficiencies into a model of success.:
C,Standard Type - The cornerstone of reliability, this standard component is meticulously engineered to fulfill essential operational demands with unwavering support, enabling your system to reach its maximum potential.;
G,Throttle Valve (For HLPSL only) - Achieve precise control and heightened efficiency with this valve, which fine-tunes operations to ensure every component operates in harmony for peak results.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This valve optimizes flow management, delivering exemplary performance and reliability beyond conventional limits, ensuring outstanding results consistently.;
(4) Pilot Oil Circuit Pressure Options - Experience unparalleled power and precision with custom pressure control solutions designed for a multitude of applications. Crafted with exacting precision to align with your specific needs, these options ensure unmatched accuracy and synergy with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Presenting bespoke, custom-engineered solutions that seamlessly integrate with your unique operational demands. Enjoy configurable designs that empower you to effortlessly achieve your desired outcomes with precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance your system's efficiency and control to unprecedented levels: Expertly designed to elevate system performance, offering unrivaled control and extraordinary effectiveness that transform your operational capabilities.C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered. Precision tuning for unmatched system efficiency and adaptability.D/F - Unveiling a state-of-the-art, precision-engineered pressure limiting valve for secondary pressure (F50). This engineering marvel is crafted to uphold a specifically designated pressure value, significantly enhancing advanced safety measures and optimizing operational security and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the pinnacle of versatility with adjustable settings ranging from 63 to 400 bar. This component epitomizes adaptability, seamlessly fulfilling every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, offering extraordinary pressure control for diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterclass in design, expertly crafted to address every application, ensuring a product that seamlessly aligns with your exact requirements, delivering outstanding performance consistently.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously engineered for flawless integration, ensuring optimal efficiency.
(9)Directional valve block inflow controller options: Choose from a comprehensive range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed for the N 3/3-way valve; 5, enhanced inflow controller. Discover pre-selectable options, each offering precision and efficiency tailored to your needs.
(10) Valve core function symbols: Explore a vast collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific functional requirements with unparalleled precision and reliability.
(11) Output flow code for ports A & B: Unlock the pinnacle of efficiency with our maximum output flows, meticulously crafted to deliver stellar performance and unwavering reliability, with options at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min.
(12) Secondary Pressure Limitation Options: Enjoy unmatched safety and dependability with our precision-engineered pressure limitation choices. For simplicity, select 'N', offering basic operations without pressure protection. Choose 'C' for concurrent pressure limitation on ports A & B, ensuring stability. For distinct control, 'A---B---' provides specialized management for each port. Each option is crafted to uphold system integrity, keeping your operations secure and efficient.
(13) Function ON/OFF and Pressure Outlet Options: Elevate your operational prowess with options designed for peak efficiency. 'N' suits basic needs without ON/OFF or pressure outlets. For enhanced control, 'X' with C type pressure or 'S/S1' with AB type delivers superior management. For electrical precision, opt for 'A' or 'B' for precise ON/OFF control on sides A or B, respectively. Each option ensures high precision and excellence in operations.
(14) Operation Modes: Discover a diverse array of modes, each tailored for supreme versatility and accuracy. 'A(1,2)' offers manual control with ergonomic handle choices. 'E' delivers cutting-edge electric proportional control, while 'EA(1,2)' combines it with manual for adaptability. 'D' features electric switching control, enhanced by 'DA(1,2)'. 'M' provides expert manual positioning with a long handle. For hydraulic operations, 'H' and 'F' offer unique pilot oil ports, ensuring mastery over your system.
(15) Ancillary Block Port Sizes: Boost system adaptability with our precisely engineered port sizes. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration and peak performance, adapting to various demands and keeping your system in top condition.
(16) End Plate Options: Explore our meticulously designed end plate solutions, each crafted for superior functionality and adaptability. 'E1' features external pilot oil discharge and control port T. 'E2' adds port Y for flexibility. 'E3' offers a magnetic ball valve for advanced pressure management, guaranteeing top-tier performance and reliability.
E4 mirrors 'E1' with internal pilot oil discharge and a sealed port T for optimized efficiency. 'E5' combines 'E2's features with internal discharge, elevating performance. 'E6' mirrors 'E3's design with advanced discharge control, perfect for demanding requirements, ensuring leading-edge system efficiency and sophistication.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from our comprehensive voltage options, like the G12-12VDC, crafted for safety and resilience in challenging conditions. Our solutions ensure stability and performance, customized for any application, maintaining your system's reliability.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with an unwavering commitment to innovation and unmatched excellence. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a national high-tech enterprise, epitomizing our relentless dedication to cutting-edge technological advancements and the highest quality standards. Our unparalleled expertise spans comprehensive research, groundbreaking development, precise manufacturing, and strategic marketing of premium hydraulic components. Renowned nationwide as a 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our mission to elevate our standards of excellence continuously, further solidifying our leadership in the industry.
At the core of our pioneering product lineup is our flagship innovation: the Enhanced Safety Atex Valve. This masterpiece of modern engineering represents the pinnacle of hydraulic system control, meticulously designed for seamless integration into construction machinery and robust heavy-duty equipment. Its essential functionality extends across critical applications, including life-saving emergency rescue missions, intricate tunnel engineering, ambitious mining operations, and the operation of essential municipal service vehicles. Our unwavering commitment to forming strategic alliances with leading domestic manufacturers accelerates the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we are dedicated to producing exceptional products, providing unmatched services, and offering pioneering solutions. With the ambition to be recognized globally as a trusted supplier of premier hydraulic components, we tirelessly strive to set new benchmarks of excellence on the international 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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