Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations signify the zenith of hydraulic innovation, seamlessly merging pressure, flow, and directional control into an integrated, harmonious masterpiece. This guarantees unmatched performance and reliability across all applications. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted to integrate into high-end hydraulic systems, vital for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, offering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in all settings. Conversely, the HLPSV valves are masterfully engineered for variable pump systems, which, despite a slightly slower response time, excel at delivering exceptional energy-saving performance. They are the ultimate choice for applications where efficiency reigns supreme. 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 foundation of consistent and unwavering performance, ensuring smooth and efficient operational flow with unmatched reliability.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and flexibility, this pump offers unmatched versatility, effortlessly meeting diverse operational needs with precision.;
(2) Connection Block Ports P & R Specifications - Merging precision with reliability, providing trustworthy operational excellence::
2-G3/8; Engineered for compact efficiency, it ensures streamlined and seamless operational flows, optimizing space and functionality.
3-G1/2; Constructed for robustness and dependability, this port is a solid foundation for your system's integrity and performance.;
4-G3/4; Providing advanced connectivity, it enhances control and system integration, delivering superior operational command.;
5, 55-G1; Featuring a superior flow rate, this choice is ideal for high-demand applications, maintaining consistent performance levels.;
6-G1 1/4; Designed for unmatched performance, this port excels on the field, overcoming challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unparalleled heights::
C,Standard Type - A dependable baseline, specifically tailored to meet essential operational requirements with reliability.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, significantly enhancing overall system efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, enhancing performance and ensuring dependable operations.;
(4) Pilot Oil Circuit Pressure Options - Offering personalized pressure control solutions for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to seamlessly meet specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency for enhanced 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 - Equipped with a pressure limiting valve for secondary pressure (F50) featuring a specific pressure value; Offering advanced safety measures to ensure secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This exceptional component offers adjustable settings across an impressive range of 63 to 400 bar levels, standing as a paragon of versatility and precision. For those who prefer a streamlined approach, /NF denotes the absence of a pressure limiting valve, specifically tailored for HLPSV applications. This essential feature guarantees optimal pressure management across various scenarios, rendering it indispensable for fulfilling your sophisticated hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously designed to cater to every application, ensuring that you receive a product that precisely aligns with your specific needs and expectations.
(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 into your system.
(9)Directional valve block inflow controller options: Choose from a range: 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 delivering precision and unmatched efficiency.
(10) Valve core function symbols: Discover a wide array of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted to meet unique and specific functional demands.
(11) Output flow code for ports A & B: Elevate efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, strategically designed for peak performance.
(12) Secondary pressure limitation options: Opt from; N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring a robust and secure system.
(13) Function ON/OFF and pressure outlet options: Tailor your solution with: N, no 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, all designed for precise and controlled operations.
(14) Operation modes: Embrace diverse modes: A(1,2), manual with optional long or short handle; E, electric proportional control; EA(1,2), combines electric proportional control with manual operation; D, electric switching control; DA(1,2), blends electric switching and manual control; M, manual friction positioning with long handle; H, pure hydraulic control (align pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive system management.
(15) Ancillary block port sizes: Choose from adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, specifically engineered for seamless adaptability to your systems.
(16) End plate options: Discover our tailored end plate choices designed to meet your precise needs. Choose from: E1, our standard option, featuring an external discharge of pilot oil and an external oil return control port T for optimal performance; E2, offering all E1 benefits plus an additional port Y for enhanced functionality; E3, equipped with a 2-position 3-way magnetic ball valve that seamlessly elevates system pressure to safety valve levels during power supply, ensuring superior operational safety.
E4, akin to E1, includes an internal discharge of pilot oil with the sealing port T, maintaining streamlined operations; E5, mirroring E2, also incorporates internal discharge, providing comprehensive control; E6, similar to E3, each configuration ensures sophisticated discharge control, fostering advanced hydraulic management.
(17) Control voltage and anti-explosion type cable length options: Select from our meticulously designed options such as G12-12VDC, which guarantee safety and compatibility with specialized, sensitive applications, providing peace of mind in demanding environments.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 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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