Presenting the exceptional HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to engineering excellence and hydraulic mastery. These extraordinary valves are a culmination of technological brilliance, effortlessly merging pressure, flow, and directional control into one cohesive and sophisticated unit. This ensures unrivaled performance and steadfast reliability across all applications. Composed of three integral functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless integration into premium hydraulic systems that are vital for elite engineering machinery. They expertly regulate the direction and velocity of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Prominent features include a compact design, outstanding energy efficiency, and the ability for seamless speed control. Furthermore, they enable multiple actuators to function simultaneously under diverse loads, providing unmatched performance and adaptability for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, guaranteeing consistent and dependable operation in every environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a marginally slower response time, they are unrivaled in delivering exceptional energy-saving performance, establishing them as the optimal choice for applications where efficiency is crucial. With their state-of-the-art engineering and energy-conserving design, HLPSV valves stand out as the premier solution for sophisticated hydraulic control needs, offering the perfect harmony 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, delivering consistent and steadfast performance to ensure smooth and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, providing extraordinary flexibility to accommodate a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forging a trustworthy operational framework::
2-G3/8; Crafted for compact proficiency, designed to support streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and reliability, providing a solid base for your system's 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) - Guarantees precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet 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 cutting-edge, precision-engineered pressure limiting valve for secondary pressure (F50), featuring a meticulously defined pressure value. This engineering marvel is crafted to significantly enhance advanced safety measures, elevating operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled 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 requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unmatched pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to superb design, intricately conceived to meet every application need, ensuring you receive a product finely tuned to your specific requirements.
(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, ingeniously engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a range of options: 1, no inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, advanced inflow controller; 8, pre-selectable options, each providing precision and outstanding efficiency.
(10) Valve core function symbols: Explore a wide array of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet specific 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 engineered for superior 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 steadfast system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize your experience with choices like: N, no 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 devised for precise control and functionality.
(14) Operation modes: Opt from a 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, expertly crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Unlock the potential of versatility with our expertly engineered selection of port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each choice is skillfully crafted to offer seamless adaptability and flawless integration into a wide array of diverse systems, ensuring that our solutions meet your every need with precision and efficiency.
(16) End plate options: Discover our meticulously designed end plate solutions that redefine standards: E1 serves as your standard choice, offering dependable external discharge of pilot oil and an external oil return control port T; E2 mirrors the excellence of E1, yet it is enhanced with an additional port Y, providing added flexibility for your systems; E3 takes innovation further with a 2-position 3-way magnetic ball valve, which elevates system pressure to safety valve levels upon activation, ensuring superior performance and safety.
E4, designed with the same ingenuity as E1, innovatively incorporates an internal discharge of pilot oil along with a sealed port T, providing cutting-edge efficiency; E5 mirrors the features of E2, utilizing internal discharge to achieve optimal performance; E6 reflects the advanced sophistication of E3, ensuring that each variant offers precise and reliable discharge control, setting a new standard in hydraulic management.
(17) Control voltage and anti-explosion cable options: Choose from our comprehensive and secure selection, such as G12-12VDC, designed specifically for safety and tailored specialization in the most demanding and challenging applications, ensuring that reliability and performance are never compromised.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 within the hydraulic industry. As an esteemed subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components is second to none. Being recognized as a national 'specialized, refined, and innovative' small giant enterprise further cements our unwavering commitment to technological advancement and superior quality. This relentless dedication clearly positions us as undisputed leaders in our field.
Our flagship creation, the enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control. Expertly 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, significantly contributing 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 steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to elevate ourselves as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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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