Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith 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 - This is the cornerstone of consistent, unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - An epitome of adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - This is where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Crafted for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Constructed for robustness and dependability, providing a solid foundation for your system.;
4-G3/4; Offering advanced connectivity, delivering superior control and enhanced system integration.;
5, 55-G1; With a superior flow rate, ideal for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Provides unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable and trustworthy baseline, tailored to your essential operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering customized 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.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and boosting 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 - Featuring an integrated pressure limiting valve for secondary pressure (F50) with a predefined pressure value, our solution offers state-of-the-art safety measures to safeguard your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With adjustable settings ranging from 63 to 400 bar levels (63, 120, 210, 280, 315, 350, 400), this component epitomizes precision and flexibility. For a streamlined approach, /NF denotes the absence of a pressure limiting valve, crafted especially for HLPSV. This feature ensures exceptional pressure control across various environments, making it a must-have for hydraulic solutions.
(7) Product Series Classification - Representing the Apex of Quality:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is engineered with meticulous attention to detail to accommodate any application, guaranteeing a product that aligns perfectly 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; complemented by auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from a spectrum of: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, fortified inflow controller; 8, pre-selectable configurations, each ensuring unmatched precision and operational efficiency.
(10) Valve core function symbols: Discover a vast selection of core functions: L, M, F, H, J, B, R, O, N, each ingeniously crafted to meet unique functional demands.
(11) Output flow code for ports A & B: Optimize efficiency with varied maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored to maximize performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all calibrated in bar, ensuring enhanced system security.
(13) Function ON/OFF and pressure outlet options: Tailor your preferences with options like: 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 with precision control in mind.
(14) Operation modes: Choose from diverse operation modes: A(1,2), manual operation with either long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), merged electric switching value control with 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 intersecting pilot oil ports, engineered for comprehensive control.
(15) Ancillary block port sizes: Opt from a range of adaptable options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, tailored for seamless versatility.
(16) End Plate Options: Discover our customizable end plate options designed to meet your specific needs. Choose from: E1, the standard choice, featuring external discharge of pilot oil and an external oil return control port T; E2, similar to E1, but enhanced with an additional port Y for versatile functionality; E3, which includes a 2-position 3-way magnetic ball valve, raising system pressure to reach safety valve standards when power is supplied for optimal safety and performance.
E4, thoughtfully crafted like E1 but with the added advantage of internal discharge of pilot oil, sealing port T for superior efficiency; E5, mirroring E2, offering internal discharge capabilities; E6, developed akin to E3, providing advanced discharge control to ensure precision and reliability in your operations.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from our range of options like G12-12VDC, which guarantees safety and is fully compatible with specialized applications, ensuring seamless integration into your existing systems.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 generally about one month after payment is received. During this time, we meticulously prepare and enforce rigorous quality control protocols to ensure each product arrives flawless and aligns with your highest expectations. Our commitment to delivering excellence and ensuring your satisfaction is our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an exceptionally low minimum order quantity, granting you the convenience to purchase even a single piece for sample validation. This flexibility allows you to initiate your projects with ease and precision, accommodating your specific requirements effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Start by communicating your detailed specifications or intended use cases with us. We will craft a personalized quote tailored to your demands or according to our expert guidance. Once the designs are approved and a deposit is secured, we will conclude the order process and kickstart production. We promise each detail is executed with precision, delivering a seamless and bespoke solution just 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 certainly feasible. Kindly ensure to notify us formally before production initiation and confirm the design with the sample we provide. This process guarantees that your branding is represented with exceptional precision and premium quality, reflecting your unique identity flawlessly.
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