Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, unifying pressure, flow, and directional control into one cohesive and harmonious masterpiece. This integration guarantees unmatched performance and reliability across all applications. Typically comprising three essential functional modules - connecting blocks, directional valves, and end plates - these valves are painstakingly designed for seamless incorporation into high-end hydraulic systems, indispensable for elite engineering machinery. They skillfully manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing extraordinary precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under diverse loads, offering unparalleled performance and versatility for any application.
The HLPSL valves are expertly customized for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. Alternatively, the HLPSV valves are masterfully crafted for variable pump systems. While the HLPSV valves may demonstrate a marginally slower response time, they excel in delivering remarkable energy-saving performance, rendering them the ultimate choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an impeccable combination 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 backbone of stability, this pump guarantees seamless and efficient operations with its consistent performance.;
HLPSV: Variable Displacement Pump - Showcasing superior adaptability, this pump provides unmatched versatility to fulfill diverse operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge here, offering dependable operation::
2-G3/8; Engineered for compact efficiency, this port supports streamlined and effortless operational flows.
3-G1/2; With its robust design, this port ensures dependable performance, forming a sturdy system foundation.;
4-G3/4; Featuring advanced connectivity, it provides exceptional control and enhances system integration.;
5, 55-G1; Perfect for high-demand applications, this port offers superior flow rates, ensuring consistent performance.;
6-G1 1/4; Delivering unmatched performance, this option excels in challenging environments and field applications.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented levels::
C,Standard Type - This reliable foundation is tailored to meet your fundamental operational demands with utmost trust.;
G,Throttle Valve (For HLPSL only) - Enhances control precision, boosting overall system efficiency and effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management for superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Tailoring pressure control solutions for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These options provide specialized solutions, seamlessly meeting your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing control and streamlining efficiency: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 state-of-the-art pressure limiting valve for secondary pressure (F50), meticulously calibrated to a specified pressure value. This innovative design offers unparalleled safety measures, safeguarding your operations with precision and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unmatched versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and an impressive 400 bar levels. For those who value simplicity, the /NF option, which excludes a pressure limiting valve, is expertly tailored for HLPSV. This feature secures optimal pressure control across a wide range of scenarios, rendering it essential for all your hydraulic requirements.
(7) Product Series Classification - A Testament to Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each meticulously crafted series is designed to accommodate every unique application, guaranteeing a product that precisely matches your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; incorporating ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully 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 engineered for precision and efficiency.
(10) Valve core function symbols: Discover an extensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to address unique functional needs.
(11) Output flow code for ports A & B: Elevate efficiency with maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min, all optimized 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 comprehensive system safety.
(13) Function ON/OFF and pressure outlet options: Customize with: 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 designed for precise control.
(14) Operation modes: Choose from a diverse array of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a seamless blend 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 (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 a variety of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability.
(16) End plate options: Delight in our tailored end plate selections including: E1, the standard choice, featuring an external discharge of pilot oil and a control port T for external oil return; E2, an enhancement of E1 with the additional port Y, offering more versatility; E3, upgraded with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to the levels required by safety valves upon power supply, ensuring superior performance.
E4, crafted akin to E1 but with an internal discharge of pilot oil, employing a sealing port T for efficient operation; E5, mirroring E2, now with internal discharge for seamless functionality; E6, paralleling E3, each option delivers sophisticated discharge control for advanced applications.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our array of options such as G12-12VDC, meticulously designed to ensure safety and seamless compatibility with specialized applications, providing peace of mind and operational reliability.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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