Welcome to the future of hydraulic innovation, where engineering brilliance meets unmatched technology with our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not mere components; they are an exquisite symphony of engineering excellence, the pinnacle of advanced hydraulic technology. Seamlessly integrating pressure, flow, and directional control into a unified, harmonious entity, these valves deliver superior performance and reliability across all applications. Featuring three core functional modules - connecting blocks, directional valves, and end plates - our valves are meticulously crafted for seamless integration into elite hydraulic systems, the backbone of high-level engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unrivaled precision and control. Standout features include a sleek and compact design, exceptional energy efficiency, and the ability for stepless speed control. Moreover, they empower multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility for any application.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring unwavering and dependable operation in every scenario. On the other hand, the HLPSV valves are designed with mastery for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, their superior energy-saving performance distinguishes them as the ultimate choice when efficiency is a top priority. With cutting-edge engineering and an energy-efficient design, HLPSV valves emerge as the leading solution for sophisticated hydraulic control needs, delivering a flawless blend of precision, reliability, and energy 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 - A cornerstone of unmatched reliability, this pump is engineered to deliver unwavering performance, ensuring your system operates seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - The pinnacle of versatility, this pump adapts effortlessly to a variety of operational demands, offering exceptional flexibility.;
(2) Connection Block Ports P & R Specifications - The convergence of precision and reliability, forming a steadfast operational framework::
2-G3/8; Designed for compact efficiency, facilitating smooth and uninterrupted operation.
3-G1/2; Engineered for sturdy performance and dependability, it provides a solid bedrock for your system's integrity.;
4-G3/4; Boasting cutting-edge connectivity, it offers superior control, enhancing system integration.;
5, 55-G1; Perfect for high-demand applications with superior flow rates, ensuring consistent reliability.;
6-G1 1/4; Delivering unrivaled performance, expertly designed to excel in demanding environments and overcome challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary heights::
C,Standard Type - A reliable foundation, crafted with precision to meet essential operational demands.;
G,Throttle Valve (For HLPSL only) - Provides exacting control, boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for unparalleled performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing custom solutions that seamlessly align with your operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and control:C - No magnetic ball valve; F - Magnetic ball valve that remains open by default, allowing pump pressurization when powered, and safely unloading when not; D - Magnetic ball valve that stays closed by default, ensuring pump unloading when powered, and pressurization when not;D/F - Enhance your safety protocols with our meticulously crafted pressure limiting valve engineered for secondary pressure (F50). This cutting-edge feature ensures superior safety measures, dramatically boosting operational security and dependability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash groundbreaking versatility with customizable pressure settings from 63 to 400 bar. This adaptable component epitomizes precision, serving a wide array of hydraulic requirements. For seamless configurations, /NF indicates no pressure limiting valve, thoughtfully engineered for HLPSV, guaranteeing exceptional pressure management across varied applications.
(7) Product Series Classification - The Epitome of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, crafted to cater to diverse applications, offering you a product that aligns perfectly 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; featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precision-engineered for flawless integration and operation.
(9)Directional valve block inflow controller options: Choose from an impressive selection: 1, without inflow controller; 2, standard inflow controller; 4, sophisticated 3-way flow controller for both inlet and outlet, crafted for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each ensuring precision and superior efficiency.
(10) Valve core function symbols: Explore a complete suite of core functions: L, M, F, H, J, B, R, O, N, each rigorously engineered to meet specific functional demands.
(11) Output flow code for ports A & B: Optimize efficiency with maximum output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly crafted to deliver outstanding performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation across actuator ports A & B; A---B---, independent pressure limitation for ports A & B, with all options measured in bar, ensuring unyielding system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your system with options such as: 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 option meticulously crafted for precise control and superior functionality.
(14) Operation modes: Dive into an extensive selection of finely-tuned operation modes crafted for diverse needs: A(1,2), offers manual operation with a choice of long or short handles for tailored ergonomics; E, represents the pinnacle of electric proportional control, providing precision and ease; EA(1,2), embodies a harmonious blend of electric proportional control with manual flexibility; D, features electric switching value control for seamless operation; DA(1,2), combines the advantages of electric switching value control with manual aptitude; M, showcases manual friction positioning with an elongated handle for nuanced handling; H, offers pure hydraulic control by aligning pilot oil ports with A and B oil ports; F, similar to H, boasts pure hydraulic control but with perpendicular pilot oil ports, all engineered for extraordinary precision and comprehensive management.
(15) Ancillary block port sizes: Experience the power of precision with a selection of meticulously engineered port size options, crafted for seamless adaptability. Choose from our expertly designed selections: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option offers unparalleled flexibility, expertly tailored to meet your unique requirements with unmatched efficiency and performance.
(16) End plate options: Explore an exceptional range of precision-engineered end plate solutions. E1, the standard option, presents an external discharge of pilot oil and an external oil return control port T. Upgrade to E2 for an enhanced design that includes an additional port Y. Experience the groundbreaking innovation of E3, featuring a 2-position 3-way magnetic ball valve that elevates system pressure to the highest safety valve levels when powered, ensuring unmatched performance and security.
E4, similar to E1, features an internal discharge of pilot oil and a sealed port T. E5 mirrors the excellence of E2 with added internal discharge capabilities. Embrace the future with E6, which incorporates E3's advanced design. Each variant ensures superior discharge control, maximizing your system's efficiency and operational performance.
(17) Control voltage and anti-explosion cable options: Enhance your system's safety and reliability with our extensive array of customized solutions. Choose G12-12VDC for applications demanding unmatched safety and compatibility without compromise.G24: The prime choice for unparalleled performance and steadfast reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Fine-tune your strategic selections with these options, expertly designed for maximum efficiency and adaptability in a variety of challenging environments.12: A hallmark of precision and dependability, designed for flawless integration into your systems.bb621436: A code of distinction representing a benchmark of excellence in our pioneering design initiatives.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our enhanced Safety Atex Valve, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital 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, playing a pivotal role in localizing 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 resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Inquiry:1. What about the lead time?
Response:Typically, the lead time for production spans approximately one month after payment is received. This period is dedicated to precise preparations and stringent quality control processes, ensuring that each product is delivered to you in pristine condition. Delivering flawless products and achieving your utmost satisfaction remains our unwavering commitment.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We proudly offer a remarkably low minimum order quantity, allowing you the ease of ordering as little as a single piece for sample verification. This flexibility empowers you to launch your projects with ultimate convenience and precision, effortlessly accommodating your exclusive needs.
Inquiry:3. How to proceed with an order for LED lights?
Response: To begin, communicate your specific requirements or intended applications to us. We will craft a customized quote for you, either based on your unique needs or through our expert guidance. Once the drawings are finalized and a deposit is made, we will formalize the order and commence production. We pledge adherence to every specification with meticulous precision, ensuring a seamless and bespoke solution tailored exclusively for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring every detail is executed to perfection for a seamless and customized solution.
Inquiry:4. Is it OK to print my logo on the product?
Response: Absolutely, this is entirely feasible. Please ensure that you inform us formally prior to the start 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.
){kind=link}