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 - Embrace the essence of reliability and consistent performance, ensuring that your operations are seamlessly efficient at all times.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and flexibility, delivering unmatched versatility to cater to a wide range of operational demands.;
(2) Connection Block Ports P & R Specifications - Precision perfectly meets reliability, guaranteeing trustworthy operations that you can depend on::
2-G3/8; Designed for compact efficiency, ensuring streamlined and seamless operational flows with ease.
3-G1/2; Built for robustness and dependability, providing the sturdy foundation that your system requires.;
4-G3/4; Advanced connectivity at its finest, offering superior control and heightened system integration.;
5, 55-G1; Optimized for a superior flow rate, this choice is ideal for high-demand applications, ensuring unwavering performance.;
6-G1 1/4; Delivering unmatched performance, expertly designed to excel in challenging environments.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented heights::
C,Standard Type - A dependable and trustworthy foundational choice, tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Precision control at its best, enhancing overall system efficiency with ease.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Streamlining flow management to drive superior performance and steadfast reliability.;
(4) Pilot Oil Circuit Pressure Options - Customized pressure control solutions tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Designed to offer bespoke solutions that seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and precision control in your operations:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered, unloading it when not; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when not;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) that features a specified pressure value; Advanced safety measures implemented to secure and safeguard operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. For simplicity, opt for /NF, representing no pressure limiting valve, tailored for HLPSV. This essential feature guarantees optimal pressure control across diverse scenarios, making it an indispensable component for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Meticulously crafted to suit every application, each series is designed to meet your precise requirements, ensuring excellence at every step.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly 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 engineered for precision and efficiency.
(10) Valve core function symbols: Discover a broad spectrum of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet unique functional needs.
(11) Output flow code for ports A & B: Achieve maximum efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered for peak performance.
(12) Secondary pressure limitation options: Select from: 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 and reliability.
(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 offering precision control for your applications.
(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 fusion of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of 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, providing comprehensive control solutions.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed for seamless adaptability and superior performance.
(16) End Plate Options: Dive into our customizable end plate selection, crafted for precision and performance. Options include: E1, our standard model, featuring an external discharge for pilot oil and an external oil return control port T; E2, building upon E1, enhanced with an additional port Y for expanded functionality; E3, integrated with a sophisticated 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during active power supply, ensuring peak operational safety.
E4, mirroring E1 yet innovatively engineered with an internal discharge for pilot oil and a sealed port T; E5, paralleling E2, also boasts internal discharge; E6, akin to E3, each configuration guarantees advanced discharge management for optimal system efficiency.
(17) Control Voltage & Anti-Explosion Cable Length Options: Choose from a specialized selection such as G12-12VDC, ensuring uncompromised safety and seamless compatibility with niche 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 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 Hydraulic Equipment Safety Control with 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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