Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These exceptional feats of engineering epitomize the zenith of hydraulic innovation, artfully fusing pressure, flow, and directional control into one seamless, cohesive entity. This ensures unmatched performance and steadfast reliability in every use case. Constructed typically of three core functional modules - connecting blocks, directional valves, and end plates - these valves are precisely engineered to integrate into premium hydraulic systems, indispensable for elite engineering machinery. They adeptly manage movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Noteworthy features include a compact structure, outstanding energy efficiency, and the potential for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under diverse loads, offering unmatched performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable performance in every scenario. Conversely, the HLPSV valves are expertly crafted for variable pump systems. While HLPSV valves might offer a slightly slower response, they shine in providing remarkable energy-saving capabilities, rendering them the ultimate choice for applications where efficiency reigns supreme. With their advanced engineering and energy-conscious design, HLPSV valves distinguish themselves as the premier solution for sophisticated hydraulic control needs, offering an ideal balance of precision, reliability, and energy 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 essence of steady and unwavering efficiency, driving your operations to peak performance with seamless ease and unmatched reliability.;
HLPSV: Variable Displacement Pump - Demonstrating superior adaptability and versatility, this pump is designed to cater effortlessly to a wide array of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision crafted for reliability, these specifications ensure operations are executed with the utmost trust and dependability::
2-G3/8; Crafted for compact efficiency, this port guarantees a streamlined and seamless workflow throughout your operations.
3-G1/2; Engineered for robustness and dependability, offering a strong and reliable foundation for your entire system.;
4-G3/4; Designed for advanced connectivity, this port enhances control and ensures superior system integration.;
5, 55-G1; With an exceptional flow rate, this option is ideal for high-demand scenarios, delivering consistent, high-performance results.;
6-G1 1/4; Providing remarkable performance, this port is expertly crafted to excel in challenging environments.;
(3) Additional Components and Specifications - Elevate your lifting systems to unparalleled heights with these components::
C,Standard Type - A reliable and steadfast baseline, meticulously tailored to fulfill your core operational needs with confidence.;
G,Throttle Valve (For HLPSL only) - Delivering precise control, this valve optimizes system efficiency to new levels.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Streamlines flow management, enhancing performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering distinctive pressure control solutions tailored to diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options provide tailored solutions to seamlessly accommodate your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with these options:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump during operation, unloading it when not in use; D - Normally closed magnetic ball valve, unloading the pump during operation, pressurizing it when not in use; These configurations streamline system efficiency, optimizing control processes.D/F - Equipped with an innovative pressure limiting valve for secondary pressure (F50) with a specified pressure value, this feature significantly elevates safety measures to ensure secure, reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component boasts adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the pinnacle of versatility and precision. For those seeking simplicity, /NF indicates no pressure limiting valve, crafted specifically for HLPSV, ensuring optimal pressure management across diverse scenarios. A must-have for sophisticated hydraulic applications and systems.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to meet every application, guaranteeing a product that aligns perfectly with your specific 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, designed for flawless 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, all engineered to ensure precision and efficiency.
(10) Valve core function symbols: Discover a wide spectrum of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet unique functional needs.
(11) Output flow code for ports A & B: Enhance efficiency with the available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for peak 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 measured in bar, ensuring robust and reliable system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your control with customizable options: 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 designed for precise and accurate control.
(14) Operation modes: A variety of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control and manual operation; D, electric switching value control; DA(1,2), a mix of electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, expertly crafted for comprehensive control.
(15) Ancillary block port sizes: Select from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless versatility and adaptability.
(16) End plate options: Discover a world of tailored end plate choices designed to meet your exact needs! Options include: E1, the standard option, featuring external discharge of pilot oil and an external oil return control port T. E2, an enhancement of E1 with an additional port Y, offering advanced functionality. E3, equipped with a 2-position 3-way magnetic ball valve that elevates your system pressure to the safety valve levels when power is supplied, ensuring superior performance and safety.
E4, an innovative design similar to E1, but with internal discharge of pilot oil and sealing port T. E5, a sophisticated version akin to E2, with internal discharge capabilities. E6, matching the excellence of E3, each option guarantees precise and sophisticated discharge control tailored to demanding specifications.
(17) Control voltage and anti-explosion type cable options: Choose from our versatile selections like G12-12VDC, designed to ensure maximum safety and compatibility with specialized applications, providing peace of mind and exceptional performance.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 been a beacon of innovation and excellence in the hydraulic industry. As a valued subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly hold the title of a national high-tech enterprise. Our expertise is in the comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Our recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast dedication to technological progress and superior quality. This unwavering commitment establishes us as leaders in our industry.
Our flagship creation, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Meticulously designed for construction machinery and heavy-duty equipment, this adaptable component is indispensable for critical applications such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with leading domestic manufacturers, playing an essential role in the localization of core hydraulic components for elite mechanical equipment. Guided 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 unparalleled products, services, and solutions. Our ambition is to emerge as a globally trusted supplier of superior hydraulic components, continually 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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