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 - Serving as the foundational element of reliability, this pump ensures your operations proceed with utmost consistency and efficiency.;
HLPSV: Variable Displacement Pump - Championing flexibility, this pump adapts to dynamic environments, providing unmatchable versatility for varied operational requirements.;
(2) Connection Block Ports P & R Specifications - Merging precision with dependability, these specifications assure reliable operations::
2-G3/8; Engineered for compact efficiency, this specification supports streamlined and flawless operational flows.
3-G1/2; Crafted for durability and reliability, this provides a steadfast foundation for your system's needs.;
4-G3/4; Facilitating advanced connectivity, this offers superior control and enriching system integration.;
5, 55-G1; Optimized for superior flow rates, ideal for high-demand scenarios, ensuring consistent, exceptional performance.;
6-G1 1/4; Delivering unrivaled performance, specifically designed to excel in demanding environments, rising to every challenge.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - The embodiment of reliability, this is tailored to meet your core operational requirements with confidence.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, amplifying overall system effectiveness and proficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Streamlines flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offers customized solutions to seamlessly satisfy your precise operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and strengthening control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump upon activation, ensuring unloading when deactivated; D - Normally closed magnetic ball valve, unloading the pump upon activation, pressurizing when deactivated;D/F - Comes with a pressure limiting valve for secondary pressure (F50), meticulously engineered to feature a specified pressure value. This advanced feature provides paramount safety measures, securing operations with unparalleled reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component epitomizes versatility and precision. For users who prefer simplicity, /NF indicates no pressure limiting valve, thoughtfully designed specifically for HLPSV. This ensures optimal pressure control across diverse scenarios, making it an indispensable addition for your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly tailored to suit every application, ensuring you receive a product meticulously crafted to meet your precise 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, all crafted for seamless integration and superior performance.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, a state-of-the-art 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 unmatched precision and efficiency in every operation.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N. Each function is meticulously crafted to fulfill unique functional requirements with exceptional precision.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each specifically tailored for optimal performance and reliability.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B. All are measured in bar, ensuring robust system safety and integrity.
(13) Function ON/OFF and pressure outlet options: Customizable options 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 is designed for exceptional precision control.
(14) Operation modes: Experience diverse operation modes: A(1,2), manual operation with optional 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, all expertly crafted for comprehensive and dynamic control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for seamless adaptability and integration into varied applications.
(16) End Plate Options: Discover our customizable end plate solutions, designed to meet your specific needs. Choose from: E1, the standard option, featuring an external discharge for pilot oil and an external oil return control port T; E2, similar to E1, but enhanced with an additional port Y for added flexibility; E3, incorporating a 2-position 3-way magnetic ball valve that elevates system pressure to safety valve levels during power supply, ensuring optimal safety and performance.
E4, echoing E1's design but with internal discharge of pilot oil and a sealing port T, offering a seamless and secure solution; E5, mirroring E2, includes internal discharge, optimizing internal efficiency; E6, paralleling E3, each model guarantees refined and sophisticated discharge control for superior functionality.
(17) Control Voltage and Anti-Explosion Type Cable Options: Choose from our robust voltage and cable options like G12-12VDC, crafted to deliver safety and compatibility across various specialized applications.G24, offering reliable and consistent performance.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12, a versatile option tailored for your unique requirements.bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are a national high-tech enterprise known for our groundbreaking contributions. Specializing in the research, development, manufacturing, and sales of premium hydraulic components, we have earned the esteemed title of a national 'specialized, refined, and innovative' small giant enterprise. This distinction exemplifies our unwavering dedication to technological advancement and superior quality, establishing us as leaders in the field.
Our flagship offering, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Masterfully designed for construction machinery and heavy-duty equipment, this vital component is indispensable for critical applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Our pride lies in our strategic partnerships with leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end machinery. 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 deliver unmatched products, services, and solutions. Our vision is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
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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