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 ensures unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - our valves are meticulously crafted for integration into high-end hydraulic systems, which are 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 remarkable 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. Conversely, 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 - The foundation of steadfast and reliable functionality, ensuring a seamless and efficient operational experience.;
HLPSV: Variable Displacement Pump - Symbolizing supreme adaptability and unmatched versatility, catering to a wide range of operational demands.;
(2) Connection Block Ports P & R Specifications - A synergy of precision and trustworthiness to elevate your operational reliability::
2-G3/8; Meticulously crafted for compact efficacy, ensuring a streamlined and uninterrupted operational workflow.
3-G1/2; Engineered for robustness and dependability, providing a resilient backbone for your system infrastructure.;
4-G3/4; Enabling cutting-edge connectivity, this specification delivers superior control for enhanced system integration.;
5, 55-G1; Unmatched in its superior flow rate, this specification is the pinnacle choice for high-demand scenarios, maintaining consistent performance.;
6-G1 1/4; Demonstrating unparalleled performance, expertly designed to excel in challenging environments.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to groundbreaking levels::
C,Standard Type - A steadfast and trustworthy baseline, meticulously designed to meet your core operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, significantly enhancing system-wide efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to seamlessly fulfill your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency while amplifying control:C - No magnetic ball valve; F - Normally open magnetic ball valve, engaging the pump when powered, disengaging when unpowered; D - Normally closed magnetic ball valve, disengaging the pump when powered, engaging when unpowered;D/F - Experience unparalleled safety and reliability with our pressure limiting valve designed for secondary pressure (F50), featuring a precise specified pressure value. This technology ensures your operations are always safeguarded with cutting-edge safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace versatility and precision with our adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. When simplicity is preferred, opt for /NF, denoting no pressure limiting valve, specifically crafted for HLPSV. This essential feature guarantees optimal pressure control across diverse scenarios, cementing its role as an indispensable component for your hydraulic solutions.
(7) Product Series Classification - Embodying the Pinnacle of Excellence: Revel in a suite of product series designed to exceed expectations:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous precision to align with every application, ensuring that your requirements are not only met but surpassed with the utmost excellence.
(8)Thread size of directional spool valve ports A & B: An offering of versatility with thread sizes including:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Enhanced with ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless integration into your system.
(9)Directional valve block inflow controller options: Choose from a range of options: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 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 crafted to deliver precision and efficiency in your operations.
(10) Valve core function symbols: Discover a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to meet specific functional needs and elevate performance.
(11) Output flow code for ports A & B: Optimize your performance with available maximum output flows of: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for exceptional efficiency.
(12) Secondary pressure limitation options: Opt for robust system safety with choices like: 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.
(13) Function ON/OFF and pressure outlet options: Customize your control 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 engineered for precise control.
(14) Operation modes: Explore a variety 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), a fusion of 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, all crafted for comprehensive and nuanced control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration into your systems.
(16) End plate options: Discover our customized end plate selections, curated to meet diverse needs. Choose from E1, the standard model, featuring external discharge for pilot oil and an external oil return control port T. Opt for E2, which builds upon E1 with the addition of port Y for enhanced utility. E3 brings innovation with its 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power supply, ensuring unmatched reliability.
E4, offering a twist on E1 with internal pilot oil discharge and sealing port T for a clean, efficient operation. E5 mirrors E2 but with internal discharge for seamless performance. E6 matches E3's prowess, each variant ensuring precise and sophisticated discharge control for optimal functionality.
(17) Control voltage and anti-explosion cable options: Choose from a range of options such as G12-12VDC, meticulously crafted to ensure safety and compatibility within specialized applications, meeting the demands of challenging environments.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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