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. Experience unparalleled performance and reliability with every application you undertake. 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. With precision, they govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched 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, 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. Meanwhile, the HLPSV valves are masterfully engineered for variable pump systems. Although 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, ensuring seamless and efficient operations, empowering your equipment with unmatched reliability.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, this pump provides unparalleled versatility, adeptly meeting diverse and intricate operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, providing a trustworthy foundation for seamless operations::
2-G3/8; Engineered for compact efficiency, catering to streamlined and seamless operational flows with precision.
3-G1/2; Built for robustness and dependability, laying a solid foundation for uncompromising system support.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration with precision.;
5, 55-G1; With a superior flow rate, this option is perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Providing unmatched performance, meticulously designed to excel in the field, overcoming challenges with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, expertly tailored to fulfill your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized and precise pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly meet your specific operational needs with precision and efficiency.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting control, optimizing every operation:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, and seamlessly unloading it when unpowered; D - Normally closed magnetic ball valve, expertly unloading the pump when powered, pressurizing it when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50), this system features a specified pressure value; delivering cutting-edge safety measures to secure and streamline operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This state-of-the-art component offers adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing versatility and precision. For those who prefer simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV, ensuring optimal pressure control across diverse scenarios, making it a critical asset for your hydraulic applications.
(7) Product Series Classification - A Testament to Exquisite Craftsmanship:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to cater to every application, guaranteeing a product that meets your exact specifications.
(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, skillfully crafted for seamless integration.
(9)Directional valve block inflow controller options: Opt 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, enhanced inflow controller; 8, pre-selectable options, each crafted to ensure precision and efficiency.
(10) Valve core function symbols: Discover a vast array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet unique functional demands.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, customized for superior performance.
(12) Secondary pressure limitation options: Choose among: 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, reinforcing system safety.
(13) Function ON/OFF and pressure outlet options: Tailorable 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 engineered for precision control.
(14) Operation modes: A diverse array of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy 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, designed 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: Discover our tailored end plate selections, crafted for ultimate precision and adaptability. Choose from: E1, our standard offering, featuring an external discharge of pilot oil and an external oil return control port T; E2, sharing attributes with E1 but enhanced with an additional port Y; E3, equipped with a 2-position 3-way magnetic ball valve, which elevates the system pressure to safety valve levels during power supply, ensuring unmatched reliability and performance.
E4, paralleling the features of E1 but with a sophisticated internal discharge of pilot oil, complete with sealing port T; E5, following the design of E2, with an internal discharge; E6, mirroring E3 in its capabilities, each option is engineered to provide superior discharge control, offering you flexibility and excellence in every use case.
(17) Control voltage and the length of anti-explosion type cable options: Select from our meticulously designed options such as G12-12VDC, tailored to ensure safety and compatibility with your specialized applications, providing you with peace of mind and operational efficiency.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 approximately one month after payment receipt. In this phase, we meticulously prepare and apply rigorous quality checks to ensure each product arrives in flawless condition. Delivering excellence and ensuring your satisfaction with our prompt service is our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We are pleased to offer a remarkably low minimum order quantity, granting the flexibility to order even a single piece for sample purposes. This flexibility empowers you to begin your projects smoothly and precisely, catering to your specific needs effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Kickstart your order by providing us with your detailed specifications or application needs. We will craft a personalized quote, either based on your guidelines or our expert recommendations. Once you approve the designs and submit a deposit, your order will be confirmed, and production will commence. We ensure meticulous adherence to every detail, offering a seamless and 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: Certainly, this is entirely feasible. Please ensure that you formally notify us prior to the commencement of production and verify the design with the sample we offer. This guarantees that your branding is presented with exceptional precision and superior quality, perfectly representing your identity.
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