Introducing our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the crowning achievement in hydraulic engineering. These avant-garde masterpieces seamlessly combine pressure, flow, and directional control into one cohesive unit, ensuring extraordinary performance and reliability across diverse applications. Engineered with three core functional modules - connecting blocks, directional valves, and end plates - these valves are peerlessly designed for integration into elite hydraulic systems, indispensable for premier engineering machinery. They precisely direct the movement and speed of hydraulic cylinders, motors, and other actuators, providing unprecedented precision and control. Key features include a compact architecture, exceptional energy efficiency, and stepless speed control capability. Moreover, they enable multiple actuators to operate concurrently under varied loads, offering unparalleled performance and adaptability for any demanding application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering and dependable functionality in all environments. Conversely, the HLPSV valves are exquisitely designed for variable pump systems. While HLPSV valves may exhibit a marginally slower response time, they excel in providing outstanding energy-saving benefits, rendering them the definitive choice for applications where efficiency is of utmost importance. With their state-of-the-art design and energy-efficient attributes, HLPSV valves emerge as the ultimate solution for sophisticated hydraulic control needs, delivering an impeccable fusion 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, 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 - The pinnacle of precision and reliability to ensure seamless operations::
2-G3/8; Crafted for compact efficiency, it supports streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and dependability, laying a strong foundation for your system.;
4-G3/4; Delivering advanced connectivity, it ensures superior control and enhanced system integration.;
5, 55-G1; Ideal for high-demand applications, its superior flow rate guarantees consistent performance.;
6-G1 1/4; Designed for unmatched performance, it excels in the field and conquers challenges.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unparalleled new heights::
C,Standard Type - A dependable and solid baseline, intricately tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, ensuring superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for diverse applications, ensuring optimal performance:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and elevating control to new heights:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating the pump when powered, deactivating it when unpowered; D - Normally closed magnetic ball valve, deactivating the pump when powered, activating it when unpowered;D/F - Equipped with a state-of-the-art pressure limiting valve for secondary pressure (F50) that features a specifically set pressure value. This advanced safety feature is meticulously designed to secure operations and ensure unparalleled safety measures for your peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, embodying the pinnacle of versatility and precision. For those who value simplicity, /NF indicates no pressure limiting valve, particularly crafted for HLPSV. This ensures that optimal pressure control is maintained across a variety of scenarios, making it an indispensable asset for your hydraulic system needs.
(7) Product Series Classification - The Epitome of Excellence Embodied:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is intricately tailored to fit every application, ensuring that you receive a product perfectly aligned with your specific 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 hydraulic control shut-off valve, meticulously crafted for seamless integration and ultimate versatility.
(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, perfectly suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options to ensure unparalleled precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive collection of core functions: L, M, F, H, J, B, R, O, N, each expertly designed to meet distinct functional requirements with excellence.
(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, each tailored for supreme performance and operational success.
(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, measured in bar, ensuring robust system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Explore customizable options 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 meticulously engineered for precision control and operational excellence.
(14) Operation modes: Discover diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a 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 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, each crafted for comprehensive control and unmatched versatility.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration into your system.
(16) End plate options: Customize your hydraulic system with our tailored end plate choices that include: E1, featuring a standard design with an external discharge of pilot oil and an external oil return control port T, offering reliable performance; E2, builds on E1 with an additional port Y for enhanced functionality; E3, incorporates a 2-position 3-way magnetic ball valve, boosting system pressure up to safety valve levels during power supply, ensuring optimal safety and control.
E4, built similarly to E1 but features internal discharge of pilot oil, effectively sealing port T; E5, similar to E2, also employs internal discharge to maintain system integrity; E6, resembling E3, all options ensuring sophisticated discharge control for your hydraulic system.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a range of options like G12-12VDC, designed to ensure safety and seamless compatibility with your specialized applications, providing peace of mind in sensitive 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 standard lead time for production is generally around one month post-payment receipt. During this period, we commit to exhaustive preparation and enforce rigorous quality control protocols to guarantee that every product arrives in pristine condition. Ensuring your utmost satisfaction with our flawless delivery process is our paramount goal.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, granting you the flexibility to order even a single piece for sample testing. This versatility empowers you to kickstart your projects effortlessly and with exactitude, catering to your specific needs without any inconvenience.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the journey by conveying your comprehensive requirements or application plans to us. We will custom-craft a quote tailored to your specifications, either based on your directives or with our expert guidance. Upon approval of the drawings and securing your deposit, we will finalize the order and initiate production. We assure meticulous adherence to each specification, delivering a smooth and bespoke solution tailored precisely for you.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 entirely feasible. Kindly ensure to notify us formally prior to the commencement of production and validate the design based on the sample we present. This guarantees that your branding is portrayed with impeccable precision and superior quality, perfectly mirroring your corporate identity.
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