Introducing the pinnacle of hydraulic innovation: our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels epitomize excellence by seamlessly integrating pressure, flow, and directional control into one cohesive and harmonious system. This integration ensures unmatched performance and reliability across all applications. Thoughtfully composed of three quintessential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously designed for seamless incorporation into high-end hydraulic systems, making them indispensable for top-tier engineering machinery. They expertly orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing precision and unparalleled control. Key features include a compact structure, superior energy efficiency, and the remarkable ability for stepless speed control. Beyond these attributes, they empower multiple actuators to operate simultaneously under diverse loads, delivering unparalleled performance and versatility for any application.
Our HLPSL valves are expertly calibrated for constant displacement pump systems, guaranteeing steadfast and reliable operation in any environment. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. Although HLPSV valves may exhibit a slightly extended response time, they shine in delivering exceptional energy-saving performance, making them the optimal choice for applications where efficiency is of paramount importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, offering a perfect synthesis 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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; A marvel of compact efficiency, designed to cater to streamlined and seamless operational flows.
3-G1/2; Crafted for robustness and dependability, providing an unyielding foundation for your system.;
4-G3/4; Delivering advanced connectivity, ensuring superior control and enhanced integration within your system.;
5, 55-G1; With an exceptional flow rate, this choice excels in high-demand applications, guaranteeing consistent performance.;
6-G1 1/4; Delivering unparalleled performance, designed to triumph in the field and conquer challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and steadfast baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, amplifying overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions across varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, engaging the pump when powered, disengaging it when unpowered; D - Normally closed magnetic ball valve, disengaging the pump when powered, engaging it when unpowered;D/F - Introducing a sophisticated pressure limiting valve for secondary pressure (F50) with a precise specified pressure value; This component delivers enhanced safety protocols to secure and optimize your operational processes with unparalleled expertise.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Impressive adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels define this component as the pinnacle of versatility and precision engineering. For users valuing simplicity, /NF represents the absence of a pressure limiting valve, specifically crafted for HLPSV, ensuring unmatched pressure control across diverse scenarios, making it essential for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is exquisitely tailored to perfectly align with a variety of applications, guaranteeing that you procure a product that precisely meets your unique specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; complemented by ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for flawless integration.
(9)Directional valve block inflow controller options: Choose from an array including: 1, without inflow controller; 2, standard inflow controller; 4, an innovative 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring superior precision and optimized efficiency.
(10) Valve core function symbols: Discover an expansive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet distinct functional requisites.
(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, engineered for optimal performance.
(12) Secondary pressure limitation options: Decide between: N, no pressure limiting protection; C, synchronized pressure limitation of actuator ports A & B; A---B---, autonomous pressure limitation for ports A & B, all quantified in bar, guaranteeing exceptional system safety.
(13) Function ON/OFF and pressure outlet options: Tailorable options encompass: 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.
(14) Operation modes: Diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a hybrid 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, expertly crafted for comprehensive and meticulous control.
(15) Ancillary block port sizes: Select from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered to ensure seamless adaptability and integration.
(16) End plate options: Explore our meticulously tailored end plate options, crafted to meet your exact specifications: E1, the standard choice, offers an external discharge of pilot oil and a dedicated external oil return control port T. E2 mirrors E1 but with an additional port Y, enhancing operational flexibility. E3 is equipped with a 2-position 3-way magnetic ball valve, ingeniously designed to elevate system pressure to safety valve levels during power supply, ensuring unparalleled safety and reliability.
E4, similar to E1 yet distinguished by its internal discharge of pilot oil with a sealing port T, provides an innovative solution for controlled operations. E5 parallels E2, with the refinement of internal discharge, and E6 echoes E3, each variant guaranteeing sophisticated discharge control to optimize performance and reliability.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a range of options such as G12-12VDC, crafted to ensure maximum safety and compatibility with your specialized applications, meeting the most demanding industrial standards.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.
){kind=link}