Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect 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 - The cornerstone of reliability, ensuring your system operates with unwavering consistency and exceptional steadiness. It guarantees smooth, efficient operations that you can depend on.;
HLPSV: Variable Displacement Pump - Embodying the essence of flexibility and adaptability, this remarkable pump accommodates diverse operational demands with grace and precision, truly a marvel of engineering versatility.;
(2) Connection Block Ports P & R Specifications - Where precision crafts a foundation of trust and resilience, ensuring your system's operational excellence::
2-G3/8; Designed for compact efficiency, it supports a seamless and fluid operational flow, optimizing performance without compromise.
3-G1/2; Built for strength and reliability, this port is the backbone of your system's structural integrity, ensuring longevity and robustness.;
4-G3/4; With cutting-edge connectivity, it empowers your system with superior control and remarkable integration capabilities.;
5, 55-G1; Offers unparalleled flow rates, perfectly suited for high-demand scenarios, ensuring consistent, reliable performance every time.;
6-G1 1/4; Delivers extraordinary performance, expertly crafted to thrive in even the most challenging environments with effortless precision.;
(3) Additional Components and Specifications - Taking your system's capabilities to unparalleled heights of efficiency and performance::
C,Standard Type - A steadfast and reliable foundation, intricately designed to fulfill key operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, significantly boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives peak performance and dependability with optimal flow management.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions, expertly crafted for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Custom solutions designed to flawlessly meet your specialized operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and precise control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizes the pump when powered, and unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered;D/F - Introducing a groundbreaking precision-engineered marvel: the pressure limiting valve for secondary pressure (F50). This state-of-the-art component is meticulously crafted with a specifically defined pressure value, setting a new benchmark in engineering excellence. Its design is dedicated to amplifying advanced safety measures, thereby optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Immerse yourself in the pinnacle of versatility and precision with our adjustable settings, available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This remarkable component epitomizes adaptability, perfectly catering to every hydraulic requirement with seamless precision. With the /NF configuration, experience systems without a pressure limiting valve, meticulously engineered for HLPSV, delivering unmatched pressure control across a multitude of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to masterclass design, expertly tailored to suit every application, ensuring you receive a product impeccably aligned with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a diverse selection of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, specifically tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering remarkable precision and exceptional efficiency.
(10) Valve core function symbols: Explore an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(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 engineered for supreme performance and unwavering dependability.
(12) Secondary pressure limitation options: Choose from: N, without 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: Personalize 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 an impressive variety 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 a 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, engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Experience unparalleled versatility with our expertly engineered options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously crafted choice ensures seamless adaptability and flawless integration into a diverse range of systems, providing the perfect fit for every application.
(16) End plate options: Discover our meticulously designed end plate solutions, each offering unique advantages: E1, the standard choice, provides an external discharge of pilot oil along with an external oil return control port T; E2 enhances the E1 design with an additional port Y, offering increased flexibility; E3, featuring a 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels when activated, ensuring superior control.
E4, crafted similarly to E1, uniquely integrates an internal discharge of pilot oil with a sealed port T for optimal efficiency; E5 mirrors the enhanced E2 features, also with internal discharge for superior performance; E6 embodies the sophisticated design of E3, guaranteeing advanced discharge control across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our secure, high-performance range tailored for the most demanding applications. Options like G12-12VDC, are designed for utmost safety and specialization.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. This masterfully crafted component is essential for construction machinery and heavy-duty equipment, proving indispensable in 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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