Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These remarkable engineering marvels epitomize the zenith of hydraulic innovation, masterfully fusing pressure, flow, and directional control into one coherent and flawless creation. This synthesis ensures unparalleled performance and reliability across all applications. Typically comprising three vital functional modules - connecting blocks, directional valves, and end plates - these valves are crafted with precision for seamless integration into sophisticated hydraulic systems, indispensable for top-tier engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unrivaled accuracy and control. Key features include a compact structure, enhanced energy efficiency, and the capability for infinitely variable speed control. Furthermore, they enable multiple actuators to operate concurrently under diverse loads, offering unmatched performance and versatility for any application.
The HLPSL valves are specifically crafted for constant displacement pump systems, ensuring unwavering and dependable operation in every environment. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may demonstrate a slightly slower response time, they excel in achieving remarkable energy-saving performance, making them the ultimate choice where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves are the premier solution for sophisticated hydraulic control demands, offering a perfect harmony 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 - Unlocking the potential of your system with precision engineering:
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 - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Designed for compact efficiency, catering to streamlined and seamless operational flows.
3-G1/2; Built 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, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome challenges.;
(3) Additional Components and Specifications - Lifting 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 meet your specific operational needs seamlessly.
(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 - This sophisticated model is equipped with a pressure limiting valve for secondary pressure (F50) featuring a precise specified pressure value. Designed to enhance safety, it offers superior protective measures that ensure optimal security in all operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This innovative component allows you to adjust settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, exemplifying versatility and precision. For a streamlined experience, /NF indicates no pressure limiting valve, specifically crafted for HLPSV, guaranteeing seamless pressure control in diverse scenarios, making it a critical element for all your hydraulic applications.
(7) Product Series Classification - Representing the Apex of Quality and Innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is thoughtfully engineered to cater to every application, ensuring that you receive a product precisely aligned with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 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, enhanced inflow controller; 8, customizable pre-selectable options, each promising precision and enhanced efficiency.
(10) Valve core function symbols: Discover an extensive variety of core functions: L, M, F, H, J, B, R, O, N, each carefully crafted to satisfy distinct functional demands.
(11) Output flow code for ports A & B: Elevate efficiency with the available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for peak performance.
(12) Secondary pressure limitation options: Select between: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring unparalleled system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with 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 option engineered for precision control.
(14) Operation modes: A variety of operation modes available to suit your needs: A(1,2), manual operation with the choice of a long or short handle; E, electric proportional control; EA(1,2), a combination of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated 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, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for seamless adaptability and integration.
(16) End Plate Options: Discover our distinguished range of tailored end plate selections designed to precisely meet your needs: E1, the standard choice, features external discharge of pilot oil and an external oil return control port T. E2 offers a refined twist to E1 with an additional port Y. E3 is equipped with a 2-position 3-way magnetic ball valve, which skillfully elevates system pressure to safety valve levels during power supply, ensuring enhanced operational safety.
E4 shares similarities with E1 but incorporates an internal discharge of pilot oil, effectively sealing port T. E5 mirrors E2, with the added benefit of internal discharge, while E6 parallels E3, all meticulously designed to provide sophisticated and reliable discharge control for your operations.
(17) Control Voltage and Anti-Explosion Type Cable Options: Choose from our advanced options such as G12-12VDC, which guarantees optimal safety and seamless compatibility with your specialized applications.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 brilliantly illuminated the hydraulic industry with revolutionary innovation and unmatched excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly assert our status as a distinguished national high-tech enterprise. Our core expertise is 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 highlights our unwavering commitment to technological advancement and exceptional quality. This relentless dedication positions us as pioneers 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 crucial 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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