Presenting our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves! These remarkable feats of engineering epitomize the zenith of hydraulic innovation. By masterfully integrating pressure, flow, and directional control, they create a seamless and harmonious masterpiece that ensures unmatched performance and reliability in every application. Typically comprised of three vital functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for incorporation into high-end hydraulic systems, pivotal for elite engineering machinery. They expertly control the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights feature a compact structure, exceptional energy efficiency, and the facility for stepless speed control. Moreover, they empower multiple actuators to function simultaneously under diverse loads, delivering peerless performance and versatility for any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are exquisitely engineered for variable pump systems. Although HLPSV valves may present a slightly slower response time, they excel in offering extraordinary energy-saving performance, making them the quintessential choice for applications where efficiency reigns supreme. With their state-of-the-art engineering and energy-conserving design, HLPSV valves stand out as the premier solution for sophisticated hydraulic control demands, presenting a flawless 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 - This innovative solution incorporates a pressure limiting valve specifically designed for secondary pressure (F50) with a defined pressure value. It delivers state-of-the-art safety measures to ensure secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Designed for adjustability, this component boasts settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the pinnacle of versatility and precision. For those who favor simplicity, /NF signifies no pressure limiting valve, tailored specifically for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it an essential component for your hydraulic system.
(7) Product Series Classification - Setting New Standards of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to meet every application, ensuring you receive a product finely tuned to your exact specifications.
(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, engineered for flawless integration.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, the standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, a reinforced inflow controller; 8, pre-selectable options, each one ensuring precision and efficiency.
(10) Valve core function symbols: Delve into a wide variety of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet distinct functional needs.
(11) Output flow code for ports A & B: Maximize system efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all tailored for peak performance.
(12) Secondary pressure limitation options: Select from: N, without pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring comprehensive system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience 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 meticulous control.
(14) Operation modes: Explore diverse modes of operation: A(1,2), manual operation with an 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 a 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 all-encompassing control.
(15) Ancillary block port sizes: Choose from a variety of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability.
(16) End plate options: Discover a range of end plate choices designed to meet your specific needs: E1, the standard option, features an external discharge of pilot oil alongside an external oil return control port T for reliable performance; E2, similar to E1, provides the added convenience of an extra port Y for enhanced functionality; E3, equipped with a sophisticated 2-position 3-way magnetic ball valve, elevates system pressure to safety valve levels when power is supplied, ensuring superior safety and operational efficiency.
E4, akin to E1, offers the benefit of internal discharge of pilot oil with a sealing port T, optimizing operational safety; E5, similar to E2, also incorporates internal discharge, enhancing the system's integrity; E6, parallel to E3, each variant is crafted to ensure advanced discharge control, offering reliability and precision in every use.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a variety of options including G12-12VDC, ensuring unmatched safety and compatibility with even the most 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 have established ourselves as a prestigious national high-tech enterprise. With expertise in the precise research, development, manufacturing, and sales of top-tier hydraulic components, we are recognized as a national 'specialized, refined, and innovative' small giant enterprise. This esteemed designation highlights our steadfast commitment to technological advancement and superior quality, propelling us to the forefront of our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Designed with precision for construction machinery and heavy-duty equipment, this versatile component is indispensable in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with leading domestic manufacturers, crucial in the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are committed to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide.
Customer Inquiry:1. What about the lead time for your products?
Response:Our standard lead time for production is approximately one month after payment confirmation. Within this timeframe, we meticulously prepare and execute rigorous quality control procedures, ensuring that each product delivered meets the highest standards of perfection. Your satisfaction with our flawless delivery process is our paramount concern.
Customer Inquiry:2. Is there any Minimum Order Quantity (MOQ) restriction for LED light orders?
Response: We proudly offer an exceptionally low minimum order quantity, granting you the convenience to order even a single unit for sample testing. This flexibility empowers you to initiate your projects smoothly and precisely, catering to your specific needs effortlessly.
Customer Inquiry:3. What steps should I follow to place an order for LED lights?
Response: Begin by communicating your comprehensive requirements or desired applications to us. We will customize a quotation tailored specifically to your needs or provide expert guidance. After confirming the design and securing a deposit, we will proceed with order finalization and production. We prioritize accuracy and customization in every specification, ensuring a streamlined and personalized experience.designs,and secure a deposit to confirm your order. Our production process is meticulously organized, guaranteeing precision and customization in every aspect, delivering a flawless solution.
Customer Inquiry:4. Is it permissible to print my logo on the product?
Response: Certainly, this is completely feasible. Kindly ensure to notify us officially before production commences and verify the design with the sample we provide. This guarantees that your branding is presented with exceptional precision and the highest quality, perfectly embodying your brand identity.
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