Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves - a marvel of modern engineering! These revolutionary creations epitomize the zenith of hydraulic innovation, effortlessly blending pressure, flow, and directional control into a seamless symphony of functionality. This fusion guarantees unmatched performance and dependability across diverse applications. Crafted with precision, each valve comprises three pivotal functional modules: connecting blocks, directional valves, and end plates. These components are meticulously designed for integration into high-end hydraulic systems, indispensable for premier engineering machinery. With these valves, the movement direction and speed of hydraulic cylinders, motors, and other actuators are governed with unmatched precision and finesse. Noteworthy features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, offering unrivaled performance and versatility to meet any application demands.
The HLPSL valves are ingeniously tailored for systems with constant displacement pumps, ensuring steadfast and consistent performance across all environments. Conversely, the HLPSV valves are exquisitely crafted for variable pump systems. Although HLPSV valves might exhibit a marginally slower response time, they excel in delivering superior energy-saving performance, making them the ultimate choice for efficiency-focused applications. With avant-garde engineering and an energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering a flawless amalgamation 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 cornerstone of consistent and unwavering performance, essential for ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - An epitome of adaptability and flexibility, offering unparalleled versatility to accommodate diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision harmoniously meets reliability, safeguarding trustworthy operations::
2-G3/8; Expertly designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and dependability, providing a solid foundation to support your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration power.;
5, 55-G1; With its superior flow rate, this option is ideal for high-demand applications, guaranteeing consistent performance even under pressure.;
6-G1 1/4; Providing unmatched performance, designed to excel in demanding fields and overcome operational challenges effortlessly.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, precisely tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions tailored for varied applications with precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and elevating control to new levels:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered;D/F - Comes with a sophisticated pressure limiting valve for secondary pressure (F50), featuring an expertly specified pressure value. This state-of-the-art component offers unparalleled safety measures, ensuring secure and reliable mining operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component stands as a beacon of versatility and precision, offering adjustable settings at bar levels of 63, 120, 210, 280, 315, 350, and 400. For those who appreciate straightforward solutions, /NF represents the absence of a pressure limiting valve, specifically crafted for the HLPSV. This essential feature guarantees optimal pressure control across a multitude of scenarios, solidifying its role as an indispensable asset for all your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to perfectly suit every application, ensuring that you receive a product precisely aligned 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 seamless and efficient integration.
(9)Directional valve block inflow controller options: Select from the following to achieve precise and efficient control: 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, each crafted to ensure high precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive array of meticulously designed core functions: L, M, F, H, J, B, R, O, N. Each symbol is crafted to meet unique functional requirements with precision.
(11) Output flow code for ports A & B: Maximize operational efficiency with available maximum output flows ranging from 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, to 210 L/min, each tailored for optimal performance.
(12) Secondary pressure limitation options: Choose from: N, devoid of pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar to ensure robust 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 crafted for precision control.
(14) Operation modes: Explore diverse operation modes available: A(1,2), manual operation with an optional long or short handle; E, electric proportional control; EA(1,2), a synthesis 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 (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, each mode meticulously crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile and seamlessly adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability.
(16) End plate options: We proudly offer a comprehensive range of end plate choices tailored to meet diverse needs. Choose from: E1, our standard model, equipped with external discharge of pilot oil and an external oil return control port labeled T; E2, similar to the E1, but enhanced with an additional port Y for added functionality; E3, which is fitted with a robust 2-position 3-way magnetic ball valve designed to elevate system pressure to safety valve levels during power supply, ensuring optimal performance and reliability.
Option E4 is crafted akin to E1 but features internal discharge of pilot oil while sealing port T for efficiency and precision. E5 mirrors E2 with a focus on sleek internal discharge. E6 is like E3, each option guaranteeing sophisticated discharge control crafted for excellence in operation.
(17) Control voltage and the length of anti-explosion type cable options: Cater to your safety and compatibility needs with our specialized selection. Opt for G12-12VDC, which promises unmatched safety and seamless integration with specialized applications.Our G24 option is meticulously designed for enhanced safety and compatibility, ensuring it meets your unique requirements.Our range includes:24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G options tailored for premium performance and reliability.12 - Offering a finely-tuned selection for your specific needs.bb621436 - Discover a model engineered to deliver excellence with every use.
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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