Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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, this essential component guarantees smooth and efficient operations.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, this pump offers unparalleled versatility to seamlessly meet diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, these specifications ensure trustworthy and dependable operations::
2-G3/8; Designed for compact efficiency, these ports cater to streamlined and seamless operational flows, optimizing space and functionality.
3-G1/2; Built for robustness and dependability, this port provides a solid and reliable foundation for your system's infrastructure.;
4-G3/4; Offering advanced connectivity, this option delivers superior control and enhanced system integration for peak performance.;
5, 55-G1; With a superior flow rate, this configuration is ideal for high-demand applications, ensuring unwavering consistency in performance.;
6-G1 1/4; Providing unmatched performance, this port is designed to excel in the field and overcome the toughest challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, thoughtfully tailored to meet your essential operational needs with precision.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control for HLPSL, enhancing overall system efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and unmatched dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized pressure control solutions, tailored to varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored and seamless solutions to meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and significantly boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, which pressurizes the pump when powered and unloads it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and pressurizing it when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) that includes a specified pressure value to deliver enhanced safety measures, ensuring secure and efficient operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings of 63, 120, 210, 280, 315, 350, and 400 bar levels, this component exemplifies versatility and precision. For simplicity, /NF means no pressure limiting valve, designed specifically for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, proving to be indispensable for your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to meet every application, ensuring you receive a product that aligns with your precise 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, a hydraulic control shut-off valve, crafted for seamless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, 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 precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill unique functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for optimal performance.
(12) Secondary pressure limitation options: Choose 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 system safety.
(13) Function ON/OFF and pressure outlet options: Customizable 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 crafted for precision control.
(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 blend of electric proportional control with manual operation; D, electric switching value control; DA(1,2), combined electric switching value control with 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, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Our customizable end plate variants offer precision-tailored choices: E1, the standard model, features effortless external discharge of pilot oil and an external oil return control port T. E2 enhances E1 with an innovative additional port Y for greater flexibility. The E3 model shines with a 2-position 3-way magnetic ball valve, boosting system pressure to match safety valve levels during power supply, ensuring maximum operational security.
E4 embraces the features of E1 but innovates with an internal discharge of pilot oil and sealing port T, providing enhanced sealing capabilities. E5 elevates E2 with its internal discharge feature while maintaining robust performance. E6 akin to E3, each model is crafted to ensure advanced discharge management and reliable operation.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a range of options like G12-12VDC, crafted to ensure ultimate safety and seamless compatibility with specialized applications, delivering peace of mind and reliable performance.G24 seamlessly integrates to provide compatibility and efficiency.- An array of options tailored for optimal performance and control:24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G, each designed for elite functionality and safety.12, ensuring dependable operation across various applications.bb621436, a unique identifier ensuring traceability and consistency.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has revolutionized the hydraulic industry with our groundbreaking innovations and unmatched 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 encompasses meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication places us at the forefront of our industry, leading the way with pioneering solutions.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for high-stakes operations such as emergency rescue missions, tunnel engineering, mining, and municipal service vehicles. We take tremendous pride in our strategic partnerships 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 delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence on the international stage.
Question:1. What about the lead time?
Answer:Our lead time for production is generally around one month post-payment receipt. During this time, we meticulously prepare and enforce rigorous quality control standards, ensuring each product arrives to you in pristine condition. Your satisfaction with our flawless delivery remains our paramount goal.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an exceptionally low minimum order quantity, empowering you to order as little as a single piece for sample verification. This flexibility allows you to launch projects effortlessly and precisely, accommodating your distinct needs without any inconvenience.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by conveying your comprehensive requirements or intended applications. We will craft a quote customized for you, based on your specifications or through our expert guidance. After confirming the drawings and submitting a deposit, we will finalize the order and initiate production, ensuring every specification is met with impeccable precision for a seamless, 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 certainly feasible. Kindly inform us formally before production commences and confirm the design based on the sample we provide. This ensures that your branding is presented with the highest precision and superior quality, perfectly reflecting your identity.
){kind=link}