Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, effortlessly merging pressure, flow, and directional control into a unified, harmonious masterpiece. This ensures unmatched performance and reliability across diverse applications. Typically crafted from three indispensable functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless integration into elite hydraulic systems, vital for top-tier engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capacity for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under varying loads, delivering unparalleled performance and versatility for any application.
The HLPSL valves are expertly customized for constant displacement pump systems, guaranteeing steadfast and reliable operation in every environment. Conversely, the HLPSV valves are ingeniously engineered for variable pump systems. Although HLPSV valves may display a slightly slower response time, they excel in offering exceptional energy-saving performance, positioning them as the ultimate choice for applications where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for sophisticated hydraulic control requirements, offering an impeccable fusion 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, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to meet your specific operational needs seamlessly.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control: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 - Featuring a sophisticated pressure limiting valve for secondary pressure (F50) with a precise pressure value, it introduces cutting-edge safety measures to ensure secure and seamless operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Masterfully designed with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component exemplifies versatility and precision. For those seeking simplicity, /NF represents no pressure limiting valve, specifically tailored for HLPSV. This feature guarantees optimal pressure control in diverse scenarios, making it an essential component for your hydraulic solutions.
(7) Product Series Classification - A Testament to Unparalleled Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly crafted to cater to every application, ensuring you receive a product precisely aligned with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ingeniously crafted for smooth 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, each ensuring exceptional precision and efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet distinct functional demands.
(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, tailored for superior performance.
(12) Secondary pressure limitation options: Opt for: 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 to ensure robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailored 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 designed for precision control and adaptability.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a hybrid 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, engineered for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability and integration.
(16) End Plate Options: Discover a spectrum of tailored end plate choices designed to meet your specific needs. Options include: E1, a standard choice featuring external discharge of pilot oil and an external oil return control port T; E2, mirrors E1 with an added port Y for enhanced connectivity; and E3, incorporating a 2-position 3-way magnetic ball valve, elevating the system pressure to safety valve levels during power supply for unmatched efficiency.
E4, akin to E1 but with internal discharge of pilot oil and sealing port T for enhanced containment; E5, reminiscent of E2, offers internal discharge harmonizing control and dependability; E6, echoing E3, each option meticulously engineered for sophisticated discharge control, ensuring top-tier performance.
(17) Control Voltage and Anti-Explosion Cable Options: Choose from an array of control voltage and cable lengths tailored for anti-explosion applications. Options include G12-12VDC, providing unmatched safety and seamless compatibility with specialized applications.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 within the hydraulic industry. As a distinguished subsidiary of the renowned China Baoan Group (stock code: 000009), we are a celebrated national high-tech enterprise. Our expertise spans the detailed research, development, manufacturing, and sales of top-tier hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise underscores our steadfast commitment to technological innovation and superior quality. This unwavering dedication has established us as leaders in our industry.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this adaptable component is essential for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with numerous leading domestic manufacturers, playing a crucial role in 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 unwavering in our commitment to delivering outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the world stage.
Inquiry:1. What about the lead time for delivery?
Response:The typical lead time for production is approximately one month after payment is received. During this timeframe, we meticulously prepare and enforce rigorous quality control protocols to ensure that each product reaches you in flawless condition. Our unwavering commitment is to ensure your complete satisfaction through impeccable and timely delivery.
Inquiry:2. Is there a minimum order quantity (MOQ) limit for LED light purchases?
Response: We offer an exceptionally low MOQ, granting you the flexibility to order even a single piece for sample evaluation. This versatility empowers you to initiate your projects with ease and precision, fulfilling your specific needs effortlessly.
Inquiry:3. What is the procedure to place an order for LED lights?
Response: Begin the process by conveying your detailed requirements or desired applications to us. We will then craft a quote tailored precisely to your specifications, either based on your input or through our expert recommendations. Upon agreement on the drawings and securing a deposit, we will finalize your order and initiate production. We guarantee strict adherence to every detail, providing you with a streamlined and customized solution.drawings,and secure a deposit to formalize your order. We will then organize production, ensuring flawless execution of every detail for a seamless and personalized solution.
Inquiry:4. Can my logo be printed on the product?
Response: Certainly, this is entirely feasible. Ensure you provide formal notification prior to the commencement of production and verify the design against the sample we supply. This guarantees that your branding is represented with the highest precision and quality, perfectly reflecting your corporate identity.
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