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 - This is the bedrock of reliability, delivering steadfast and continuous operation to ensure your processes are smooth and effective.;
HLPSV: Variable Displacement Pump - The epitome of versatility, providing unmatched adaptability to cater to a variety of operational demands.;
(2) Connection Block Ports P & R Specifications - The perfect blend of accuracy and dependability, promising seamless operation::
2-G3/8; Crafted for compact effectiveness, ensuring smooth and streamlined operations.
3-G1/2; Engineered for strength and reliability, offering a robust backbone for your infrastructure.;
4-G3/4; Facilitating advanced connectivity, providing enhanced control and superior system integration.;
5, 55-G1; Designed for high-demand applications, this option ensures consistent and optimal performance with an exceptional flow rate.;
6-G1 1/4; Delivering unparalleled performance, engineered to excel under demanding conditions and surpass challenges.;
(3) Additional Components and Specifications - Elevating the system's capabilities to unprecedented heights::
C,Standard Type - A dependable and trusted solution, tailored to suit essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures meticulous control, optimizing system productivity and efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Drives superior performance while managing flow efficiently, ensuring reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for a wide range of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Crafted to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and streamlining efficiency:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, strategically unloading it when unpowered; D - Normally closed magnetic ball valve, efficiently unloading the pump when powered, pressurizing it when unpowered;D/F - Equipped with a specialized pressure limiting valve set for secondary pressure (F50) with a defined pressure value, this feature introduces groundbreaking safety measures to ensure secure operation at all times.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component exemplifies versatility and precision by offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who value simplicity, /NF signifies the absence of a pressure limiting valve, specifically crafted for HLPSV. This feature guarantees superior pressure control across diverse scenarios, making it an essential element for your hydraulic applications.
(7) Product Series Classification - Representing the Apex of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to match every application, ensuring that you receive a product tailored to meet your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including additional blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 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 accuracy and efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each ingeniously designed to meet distinct functional needs.
(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, optimized for superior performance.
(12) Secondary pressure limitation options: Opt between: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all quantified in bar, ensuring resilient system safety.
(13) Function ON/OFF and pressure outlet options: Customizable choices include: 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: Explore a variety of operation modes available: A(1,2), manual operation with a choice of 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 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, designed for comprehensive control.
(15) Ancillary block port sizes: Choose from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Customize your system with our diverse end plate selection options: E1, the standard choice, featuring external discharge of pilot oil along with an external oil return control port T; E2, offering all the robust features of E1 with an additional port Y for enhanced functionality; E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power activation, ensuring optimal performance and peace of mind.
E4, offering the reliability of E1 but with internal discharge of pilot oil, effectively sealing port T; E5, mirrors the capabilities of E2, providing internal discharge for seamless operation; E6, replicates the precision of E3, maintaining sophisticated and controlled discharge management for demanding applications.
(17) Control voltage and anti-explosion type cable length options: Choose from our range of options including G12-12VDC, specially designed to ensure safety and enhance compatibility with specialized applications.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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