Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, masterfully uniting pressure, flow, and directional control into a single, cohesive masterpiece. This harmonious integration guarantees unparalleled performance and steadfast reliability across a multitude of applications. Meticulously composed of three essential functional modules-connecting blocks, directional valves, and end plates-these precision-engineered marvels are crafted for effortless incorporation into high-end hydraulic systems, crucial for top-tier engineering machinery. They deftly regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Noteworthy features include a compact design, exceptional energy efficiency, and the remarkable capability for stepless speed control. Additionally, they empower multiple actuators to operate simultaneously under varying loads, offering extraordinary performance and unparalleled versatility for any application.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring unwavering and reliable operation in any environment. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may exhibit a slightly slower response, they shine in delivering outstanding energy-saving performance, rendering them the ultimate choice for situations where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal 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 - Unleash the keystone of reliability with this pump, ensuring consistent and steadfast performance throughout. Experience a level of dependability that keeps your operations flowing seamlessly and efficiently, like clockwork.;
HLPSV: Variable Displacement Pump - Discover unparalleled adaptability and versatility with this pump, offering extraordinary flexibility to meet diverse operational requirements. Designed to seamlessly adjust to changing demands, it ensures superior control and smooth transitions.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forming an unwavering operational framework. Expertly crafted for flawless functionality, enhancing reliability in every application.:
2-G3/8; Engineered for compact proficiency, this design supports streamlined and seamless operational flows. Perfectly crafted for precision, it guarantees optimal performance in even the tightest spaces.
3-G1/2; Built for robustness and reliability, providing a solid foundation for your system's integrity. Designed to endure, delivering unwavering durability under the most demanding conditions.;
4-G3/4; Offering advanced connectivity, it provides superior control and enhanced system integration. Blending sophistication with efficiency, it elevates your system's operational prowess.;
5, 55-G1; Ensuring superior flow rates, this is ideal for high-demand applications, delivering consistent and reliable performance. Designed for excellence, it tackles high-pressure challenges effortlessly.;
6-G1 1/4; Offering unmatched performance, this component is expertly designed to excel in demanding environments, setting new benchmarks in power and efficiency.;
(3) Additional Components and Specifications - Elevate your system's capabilities to new heights with advanced components that redefine excellence, unleashing the full potential of your operations.:
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational needs. Offering steadfast support and unmatched reliability to empower your system.;
G,Throttle Valve (For HLPSL only) - This ensures precision control, enhancing the overall efficiency of your system. Fine-tune your operations for maximum effectiveness with this essential component.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management to drive unparalleled performance and dependability, pushing the limits of conventional performance to deliver extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications: Tailored to your needs, providing precision control that aligns perfectly with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discover bespoke solutions that cater perfectly to your unique operational needs. With customizable configurations, easily achieve your desired operational efficiency and success.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating efficiency and control: Crafted to maximize your system's performance, providing exceptional control and superior operational effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, engages the pump when powered, disengages when unpowered; D - Normally closed magnetic ball valve, disengages the pump when powered, engages when unpowered; Precision tuning available for unmatched system efficiency.D/F - Introducing an advanced, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted to uphold a specifically defined pressure value. This engineering feat is designed to enhance safety standards, elevating operational security and reliability to exceptional levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the pinnacle of versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component embodies adaptability, catering to every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly crafted for HLPSV, offering unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Hallmark of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterful design, expertly conceived to address all applications, ensuring you receive a product that perfectly aligns 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; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously designed for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from an extensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, customized for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Dive into a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Achieve superior efficiency 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: Choose 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 precisely measured in bar to ensure unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Customize your operational experience with a spectrum of options, including: N, which lacks function ON/OFF or pressure outlet for streamlined use; X, featuring the C type pressure limitation for added security; S/S1, designed with AB type pressure limitation for superior control; A, with electrical ON/OFF on side A for targeted management; B, with electrical ON/OFF on side B, each precisely engineered for unmatched control and peak functionality.
(14) Operation modes: Select from an extensive array of operation modes crafted for versatility: A(1,2), allows manual operation with the flexibility of a long or short handle; E, offers precise electric proportional control; EA(1,2), combines electric proportional control with manual operation for enhanced flexibility; D, provides efficient electric switching value control; DA(1,2), merges electric switching value control with manual operation; M, features manual friction positioning with a long handle for stability; H, enables pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, utilizes pure hydraulic control with perpendicular pilot oil ports, all expertly engineered for comprehensive and precise manipulation.
(15) Ancillary block port sizes: Experience unmatched versatility with our skillfully designed port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is meticulously constructed to ensure smooth adaptability and perfect integration across various systems, delivering enhanced efficiency and superior performance.
(16) End plate options: Explore our carefully crafted end plate solutions designed with precision: E1, the standard choice, allows for an external discharge of pilot oil and an external oil return control port T. E2 offers the standard E1 capabilities with an additional port Y for increased flexibility; E3 includes a sophisticated 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when engaged, guaranteeing outstanding performance.
E4, enhancing E1, incorporates an internal discharge of pilot oil with a sealed port T for improved efficiency. E5 retains the robust features of E2 with an internal discharge, ensuring peak performance. E6 mirrors E3's advanced design, providing sophisticated discharge control in every variant to meet the demands of complex systems.
(17) Control voltage and anti-explosion cable options: Select from our reliable and secure variety, including G12-12VDC, engineered for safety and dependability in the most challenging environments. These options ensure specialization and security.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 been a beacon of groundbreaking innovation and extraordinary excellence within the hydraulic industry. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), our company enjoys a well-earned reputation as a national high-tech enterprise, reflecting our unwavering dedication to technological advancement and superior quality. Our unparalleled expertise encompasses the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, fortifying our leadership position in the field.
Our flagship innovation, the Proportional Valve for Enhanced Safety in Mining Equipment Sections, epitomizes the pinnacle of state-of-the-art hydraulic system control. Masterfully designed for integration into construction machinery and heavy-duty equipment, this advanced component plays a pivotal role in critical applications such as emergency rescue operations, subterranean engineering, mining endeavors, and municipal service vehicles. We proudly cultivate strategic alliances with leading domestic manufacturers, significantly advancing the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our pursuit of delivering exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new benchmarks for 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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