Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations are 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 - This dependable component forms the backbone of your hydraulic control system, ensuring uninterrupted and efficient performance across all operations.;
HLPSV: Variable Displacement Pump - Renowned for its adaptability, this pump offers remarkable flexibility, perfectly suited to meet diverse operational needs with ease.;
(2) Connection Block Ports P & R Specifications - Where precision and dependability create a steadfast operational foundation::
2-G3/8; Expertly crafted for efficiency, this port ensures smooth and uninterrupted operational flow with its compact design.
3-G1/2; Designed with strength and dependability in mind, this port offers a robust support system for your operations.;
4-G3/4; Combining advanced connectivity with precision, this port elevates control and enhances integration.;
5, 55-G1; Delivering exceptional flow rates, this port is perfect for high-demand applications, ensuring dependable performance.;
6-G1 1/4; Designed to deliver superior performance, this port excels in challenging environments, meeting demanding tasks effortlessly.;
(3) Additional Components and Specifications - Pushing your system's capabilities to new heights of excellence::
C,Standard Type - This reliable base is engineered meticulously to fulfill core operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, driving your system's overall efficiency upward.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions across various applications:0 - No pressure reducing valve; 1 - 20 bar pressure reducing valve; 2 - 40 bar pressure reducing valve; Tailored solutions designed to perfectly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control dynamics: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, energizing it when unpowered;D/F - Introducing a state-of-the-art marvel: the precision-engineered pressure limiting valve for secondary pressure (F50). This innovation boasts a meticulously defined pressure value, acting as a beacon of advanced engineering. Designed to ensure unparalleled safety measures, it optimizes operational security and reliability like never before, setting new standards in hydraulic technology.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the summit of versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the embodiment of adaptability, seamlessly meeting every hydraulic demand. Opt for the /NF configuration for a system without a pressure limiting valve, meticulously designed for HLPSV, offering superior pressure control across a broad range of applications.
(7) Product Series Classification - The Epitome of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a pinnacle of design, masterfully crafted to fit every application. Ensuring you receive a product that aligns perfectly with your specific needs, each series is a beacon of innovation and precision.
(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, these components are expertly engineered for smooth, flawless integration. They offer a seamless connection, emphasizing reliability and performance.
(9)Directional valve block inflow controller options: Choose from an impressive selection of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each crafted for precision and exceptional efficiency, ensuring your system's optimization.
(10) Valve core function symbols: Explore a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to meet specific functional requisites, ensuring that every operational need is addressed with precision.
(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 option is crafted for supreme performance and dependability, designed to meet diverse application requirements.
(12) Secondary pressure limitation options: Opt for one of the following: 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. These choices ensure uncompromising system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customize 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 one is engineered for precise control and enhanced functionality, adapting to your specific requirements.
(14) Operation modes: Choose from a diverse array 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. Each mode is designed to provide comprehensive and precise control, enhancing your system's adaptability and effectiveness.
(15) Ancillary block port sizes: Dive into the world of versatility with our meticulously engineered options, ensuring each component is tailored for ultimate adaptability and flawless integration. Choose from: /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1. Every selection is crafted to seamlessly enhance and accommodate diverse system requirements with precision.
(16) End plate options: Discover our thoughtfully crafted end plate solutions, each designed to meet specific needs. E1, our standard model, provides an external discharge of pilot oil along with an external oil return control port T. E2 mirrors E1 but includes an additional port Y for increased flexibility. E3 takes innovation a step further with a 2-position 3-way magnetic ball valve, optimizing system pressure to match safety valve standards upon activation.
E4, akin to E1, features an innovative internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 mirrors E2's adaptability, incorporating internal discharge for supreme performance. E6 is a sophisticated reflection of E3, offering advanced discharge control, ensuring superior functionality across all variants.
(17) Control voltage and anti-explosion cable options: Choose from our robust and reliable selection, including G12-12VDC. Each option is crafted to meet stringent safety standards, catering to the most challenging applications with specialized precision.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. Our designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological advancement and superior quality. This relentless dedication distinctly positions us as leaders in our domain, pushing the boundaries of hydraulic technology and offering groundbreaking solutions that meet and exceed our clients' expectations.
Our flagship product, the Enhanced Safety Atex Valve, stands as the pinnacle of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is crucial for 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, massively 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 remain unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, setting new standards of excellence and innovation 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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