Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These are not just valves; they are the epitome of hydraulic excellence, seamlessly integrating pressure, flow, and directional control into one harmonious and unified system. This integration guarantees superior performance and unwavering reliability across diverse applications. Typically featuring three integral functional modules - connecting blocks, directional valves, and end plates - these valves are the pinnacle of precision engineering, designed for seamless inclusion in high-end hydraulic systems vital for elite engineering machinery. They accurately control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key attributes include a compact design, outstanding energy efficiency, and the capacity for stepless speed adjustment. Moreover, they empower multiple actuators to function simultaneously under varying loads, delivering exceptional performance and versatility across a wide spectrum of applications.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and reliable operation across any environment. Conversely, the HLPSV valves are masterfully designed for variable pump systems. Although HLPSV valves may demonstrate a slightly slower response time, they excel in delivering remarkable energy efficiency, positioning them as the ultimate choice where energy conservation is crucial. With their advanced engineering and energy-efficient blueprint, HLPSV valves emerge as the premier solution for sophisticated hydraulic control applications, offering a flawless synthesis of precision, dependability, 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 - Elevating lifting system capabilities to unprecedented 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 - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels, this component exemplifies versatility and precision in every aspect. For those seeking simplicity, /NF indicates no pressure limiting valve, purpose-built for HLPSV. This feature ensures optimal pressure control across a diverse range of scenarios, rendering it an essential component for fulfilling all your hydraulic needs with precision and reliability.
(7) Product Series Classification - Defining the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application, ensuring you receive a product that precisely aligns with 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 or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted 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, each promising precision and superior efficiency.
(10) Valve core function symbols: Delve into an exhaustive range of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to meet distinct functional demands.
(11) Output flow code for ports A & B: Enhance efficiency with a spectrum of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, crafted 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 precision-measured in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your choices including: 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 tailored for precise control.
(14) Operation modes: Choose from diverse operation modes: A(1,2), manual operation with the option of long or short handle; E, electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated 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, meticulously crafted for comprehensive control.
(15) Ancillary block port sizes: Select from a diverse range of options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability to varied needs.
(16) End Plate Options: Discover our bespoke end plate variations designed for optimal performance and flexibility, including: E1, the standard choice, featuring an external discharge of pilot oil and a control port T for external oil return. E2, expanding on E1, adds an additional port Y for enhanced connectivity. E3 elevates functionality with a 2-position 3-way magnetic ball valve, increasing system pressure to safety valve levels under power supply conditions.
E4 echoes E1's functionality with an internal discharge of pilot oil and a sealed port T for superior containment. E5 parallels E2's configuration with an internal discharge, while E6 mirrors E3, each providing advanced discharge control for precise operations.
(17) Control Voltage & Anti-Explosion Cable Length Options: Choose from a range designed for maximum safety and application-specific compatibility. Options include G12-12VDC for seamless integration with specialized systems.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 in the hydraulic industry, delivering revolutionary advancements and unmatched excellence. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we are a celebrated national high-tech enterprise. Our core expertise is in the precise research, development, manufacturing, and distribution of top-tier hydraulic components. Our prestigious designation as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our relentless pursuit of technological progress and superior quality. This unwavering dedication establishes us as leaders in our industry, always at the forefront of innovation.
Our premier offering, the load-sensitive proportional valve, represents the zenith of cutting-edge hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this indispensable component is crucial for critical operations such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with numerous leading domestic manufacturers, where we play a critical 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 steadfast in our commitment to delivering exceptional products, services, and solutions. Our ultimate mission is to ascend as a globally revered supplier of top-quality hydraulic components, setting unprecedented standards of excellence on the world stage.
Question:1. What about the lead time?
Answer:The lead time for production generally spans approximately one month after the payment is received. Throughout this time, we engage in meticulous preparations and implement rigorous quality control protocols. This is to ensure each product arrives in flawless condition, underscoring our commitment to excellence and your ultimate satisfaction with our impeccable delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: Our minimum order quantity is remarkably flexible, allowing you to order as few as a single piece for sample verification. This flexibility provides you the freedom to initiate your projects effortlessly, adapting perfectly to your specific needs with unmatched convenience.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by sharing your comprehensive requirements or intended applications with us. We will craft a personalized quote tailored to your specific needs or based on our industry expertise. Once the drawings are finalized and a deposit is made, we will confirm the order and initiate production. We ensure every specification is meticulously followed, providing you with a seamless and bespoke 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 indeed possible. Kindly inform us formally before production begins and verify the design based on the sample provided. This ensures your branding is displayed with the utmost precision and superior quality, perfectly reflecting your brand identity.
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