Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel of modern hydraulic engineering innovation. These extraordinary components epitomize the zenith of technological advancement by seamlessly integrating pressure, flow, and directional control into one cohesive, harmonious entity. This engineering triumph ensures unparalleled performance and reliability across a broad spectrum of applications. Typically comprised of three vital functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for incorporation into high-end hydraulic systems, which are indispensable for premium engineering machinery. They expertly govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Standout features include a compact architecture, superior energy efficiency, and the capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under varying loads, delivering unparalleled performance and versatility across diverse applications.
The HLPSL valves are precisely customized for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves might exhibit a slightly slower response time, they excel in providing outstanding energy-saving performance, making them the optimal choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for sophisticated hydraulic control needs, 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 very essence of steadfast and unwavering performance, ensuring your operations maintain a seamless and efficient flow.;
HLPSV: Variable Displacement Pump - A testament to adaptability and flexibility, offering unparalleled versatility to cater to diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision seamlessly aligns with reliability, ensuring steadfast and trustworthy operations::
2-G3/8; Engineered for compact efficiency, catering to streamlined and seamless operational flows with minimal space usage.
3-G1/2; Constructed for robustness and reliability, providing a sturdy foundation for your system's enduring performance.;
4-G3/4; Offering advanced connectivity, delivering superior control and fostering enhanced system integration.;
5, 55-G1; Providing a superior flow rate, this option is ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unmatched performance, meticulously designed to excel in the field and overcome the toughest challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights and dimensions::
C,Standard Type - A reliable and trustworthy baseline, perfectly tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, significantly enhancing overall system efficiency and responsiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability with consistent pressure management.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for a multitude of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailoring the pressure solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and amplifying control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, and deactivating it when unpowered; D - Normally closed magnetic ball valve, deactivating the pump when powered, and activating it when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50), showcasing a specified pressure value; this advanced feature provides unparalleled safety measures to ensure secure and smooth operations in any environment.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This revolutionary component offers adjustable settings at bar levels of 63, 120, 210, 280, 315, 350, and 400, presenting a perfect blend of versatility and precision. For those who value simplicity, /NF signifies no pressure limiting valve, specially crafted for HLPSV, ensuring optimal pressure control across varied operational scenarios, making it an indispensable choice for all your hydraulic needs.
(7) Product Series Classification - Defining the Peak of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is carefully tailored to meet every application requirement, ensuring you receive a product that precisely matches your unique specifications.
(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 engineered for flawless integration.
(9)Directional valve block inflow controller options: Choose from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, robust inflow controller; 8, pre-selectable options, each designed to ensure precision and efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet specific functional requirements.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, ensuring peak performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, guaranteeing robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your selection with options including: 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 precision control.
(14) Operation modes: Diverse operation modes to choose from: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, meticulously designed for comprehensive control.
(15) Ancillary block port sizes: Choose from a range of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability.
(16) End plate options: Immerse in a world of customization with our tailored end plate choices. Options include: E1, the standard bearer, offering external discharge of pilot oil and an external oil return control port T; E2, similar to E1 but enhanced with an additional port Y for expanded functionality; E3, featuring a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels when powered, ensuring peak performance and safety.
E4, crafted akin to E1 but with the sophistication of internal discharge of pilot oil, sealing port T for seamless operations; E5, mirroring E2 but offering the convenience of internal discharge; E6, echoing E3, each meticulously engineered to guarantee refined discharge control and reliability.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a range designed for precision and safety, like G12-12VDC, ensuring compatibility with specialized applications and enhanced operational security.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 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 flagship product, the load-sensitive proportional valve, epitomizes 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.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.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 possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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