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 heart of consistent and steady performance, guaranteeing your operations are smooth and efficient without interruption.;
HLPSV: Variable Displacement Pump - A beacon of adaptability and flexibility, providing unmatched versatility to cater to a wide range of operational demands.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability here, ensuring operations you can trust::
2-G3/8; Crafted for compact efficiency, this design supports a smooth and seamless flow of operations.
3-G1/2; Engineered for durability and dependability, it forms a strong base for your system.;
4-G3/4; Providing advanced connectivity, it ensures superior control and enhances system integration.;
5, 55-G1; Ideal for high-demand applications, this option delivers consistent performance with its superior flow rate.;
6-G1 1/4; Ensuring unmatched performance, it is designed to excel in challenging conditions.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to new heights::
C,Standard Type - A dependable and trustworthy baseline, specially tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, boosting overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - This component optimizes flow management, ensuring superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering bespoke solutions to flawlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control across your operations:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, and unloads it when not; D - Normally closed magnetic ball valve, unloads the pump when powered, and pressurizes it when not;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Implementing advanced safety measures to secure and stabilize operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of precision with our adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This vital component showcases unparalleled versatility and exactitude. For those who lean towards simplicity, /NF signifies no pressure limiting valve, intentionally crafted for HLPSV. This feature guarantees optimal pressure management across diverse applications, rendering it an essential asset for fulfilling your hydraulic requirements with unmatched reliability.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is perfected with meticulous craftsmanship to match every conceivable application, ensuring that the product you choose exceeds your expectations and meets every precise requirement seamlessly.
(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 designed to integrate seamlessly and elevate performance.
(9)Directional valve block inflow controller options: Choose from a selection of: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideally suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options. Each is engineered to deliver unmatched precision and efficiency for your hydraulic systems.
(10) Valve core function symbols: Discover a diverse and comprehensive array of core functions: L, M, F, H, J, B, R, O, N. Each function is meticulously designed to meet and exceed specific functional requirements, offering unmatched versatility.
(11) Output flow code for ports A & B: Optimize and enhance operational efficiency with maximum output flow options of: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each selection is tailored for superb performance, ensuring your system operates at peak efficiency.
(12) Secondary pressure limitation options: Select from robust options: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B. All options are measured in bar, ensuring a robust and secure system.
(13) Function ON/OFF and pressure outlet options: Tailor your system with customizable features: 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 option is meticulously designed for precise control and optimized performance.
(14) Operation modes: Select from a wide range of versatile operation modes: A(1,2), manual operation with the choice of long or short handle; E, electric proportional control; EA(1,2), a combination 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. Each mode is crafted for comprehensive and adaptable control.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each option is engineered to ensure seamless adaptability and high-performance integration across systems.
(16) End plate options: Our tailored end plate options are designed to meet diverse needs, offering choices such as: E1, which is the standard configuration, featuring 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 further customization; and E3, which includes a 2-position 3-way magnetic ball valve, expertly elevating system pressure to safety valve levels during power supply, ensuring maximum operational safety and efficiency.
E4, crafted similar to E1, but with an internal discharge of pilot oil, sealing port T for a compact and efficient design; E5, akin to E2, also features an internal discharge, providing seamless integration; E6 mirrors E3's functionality, each configuration offering sophisticated discharge control to suit your specific hydraulic needs.
(17) Control voltage and the length of anti-explosion type cable options: For the utmost in safety and compatibility with specialized applications, choose from our expertly curated options like G12-12VDC, ensuring that your equipment operates with precision and reliability.G24-24VDC; G24Ex-3m-24VDC for enhanced safety, G12Ex-3m-12VDC for specific applications, G24MA-3m-24VDC for robust performance; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and unmatched excellence in the hydraulic industry. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our profound expertise is reflected in our meticulous efforts in research, development, manufacturing, and sales of top-tier hydraulic components. Being honored as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering dedication to technological advancement and superior quality. This relentless pursuit of excellence positions us as leaders in our field.
Our flagship product, the Load Sensitive Valve System for Enhanced Safety in Hydraulic Equipment, epitomizes cutting-edge hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in forging strategic collaborations with leading domestic manufacturers, playing a pivotal role in localizing essential 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 resolute in our mission to provide exceptional products, services, and solutions. Our ultimate ambition is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks 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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