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 - The bedrock of continuous power, delivering unwavering reliability, so your operations flow with unparalleled smoothness.;
HLPSV: Variable Displacement Pump - Mastering adaptability with versatile capabilities to seamlessly accommodate all operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision harmonizes with trustworthiness for reliable operations::
2-G3/8; Crafted for compact efficiency, streamlining operational flows with seamless precision.
3-G1/2; Engineered for robustness, this dependable choice lays a steadfast foundation for your system.;
4-G3/4; Featuring advanced connectivity for superior control and enhanced system synergy.;
5, 55-G1; Optimized for high-flow applications, ensuring consistent performance for high-demand tasks.;
6-G1 1/4; Delivering unrivaled performance, designed to excel in demanding environments and challenging scenarios.;
(3) Additional Components and Specifications - Elevating your lifting system to new heights with unparalleled capabilities::
C,Standard Type - The reliable and trustworthy foundation for all your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management for peak performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions tailored to diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering custom solutions seamlessly aligned with your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and augmenting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when activated, easing it when deactivated; D - Normally closed magnetic ball valve, easing the pump when activated, energizing it when deactivated.D/F - Features a sophisticated pressure limiting valve for secondary pressure (F50), with a predetermined pressure value. Engineered to bolster safety, it ensures secure and reliable operations, enhancing the overall safety measures of your equipment.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the pinnacle of versatility and precision with adjustable settings ranging from 63 up to 400 bar. For those opting for simplicity, /NF signifies the absence of a pressure limiting valve, tailored specifically for HLPSV. This element guarantees optimal pressure control across diverse scenarios, making it a crucial addition to any hydraulic system.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is intricately crafted to meet your specific application needs, ensuring a product that precisely aligns with your distinct requirements.
(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, meticulously designed for seamless integration into your system.
(9)Directional valve block inflow controller options: Tailor your system with options like: 1, without inflow controller; 2, standard inflow controller; 4, an intricate 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 designed to ensure precision and efficiency.
(10) Valve core function symbols: Delve into a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each uniquely crafted to meet specific functional demands with precision.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, meticulously tailored for optimal performance and enhanced system capabilities.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, synchronized pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, significantly boosting system safety.
(13) Function ON/OFF and pressure outlet options: Customize 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 precision control.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with the 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), a blend of 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, crafted for comprehensive and dynamic control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously engineered for seamless adaptability and integration.
(16) End plate options: Dive into a world of tailored precision with our end plate choices, featuring: E1 - our standard, offering both external discharge of pilot oil and a dedicated external oil return control port T. E2 - mirrors the reliability of E1, enhanced with an additional port Y for greater control. E3 - includes a versatile 2-position 3-way magnetic ball valve, designed to elevate system pressure to the safety valve threshold upon power supply activation.
E4 - retains the robust features of E1, but innovatively provides internal discharge of pilot oil, perfectly sealing port T for optimal performance. E5 - builds on E2's design, incorporating internal discharge for refined operation. E6 - matches the versatility of E3, ensuring comprehensive and sophisticated discharge control for your hydraulic systems.
(17) Control voltage and anti-explosion cable options: Choose wisely from our robust selection to suit your specialized applications. Options include the dependable G12-12VDC, known for its safety and compatibility.G24 - A steadfast choice for consistent performance.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Offering a range of solutions tailored to meet diverse needs.12 - Ensuring robust and reliable electrical performance.bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise of distinction. Our company excels in the meticulous research, development, manufacturing, and sales of superior hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we are committed to technological advancement and the highest quality standards. This unwavering dedication cements our position as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Crafted with precision for construction machinery and heavy-duty equipment, this adaptable component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud to engage in strategic collaborations with leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our mission to provide exceptional products, services, and solutions. Our vision is to rise as a globally trusted supplier of premium hydraulic components, setting new standards of excellence on the world stage.
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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