Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, flawlessly uniting pressure, flow, and directional control into one cohesive, harmonious entity. This integration assures unparalleled performance and reliability across all applications. The valves are typically composed of three vital functional modules: connecting blocks, directional valves, and end plates. These are meticulously designed for perfect integration into high-end hydraulic systems, indispensable for premier engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they enable multiple actuators to operate simultaneously under varying loads, ensuring unrivaled performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, guaranteeing steadfast and reliable operation across diverse settings. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. Although HLPSV valves may demonstrate a slightly slower response time, they excel in delivering remarkable energy-saving performance. This makes 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 distinguish themselves as the premier solution for advanced hydraulic control needs, offering a flawless 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 - 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 - Elevate your hydraulic systems with stellar capabilities::
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 - Tailored pressure solutions for diverse 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 - Comes with a pressure limiting valve for secondary pressure (F50) featuring a specified pressure value; Providing advanced safety measures to secure operations, ensuring unparalleled reliability and precision.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience versatility with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, defining precision and control. For simplicity seekers, /NF symbolizes no pressure limiting valve, tailored for HLPSV, safeguarding optimal pressure control across diverse scenarios, rendering it essential for your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence: Experience unmatched quality and innovation in design.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to meet every application, ensuring you receive a product that matches your exact specifications seamlessly.
(8)Thread size of directional spool valve ports A & B: Choose with confidence from our range: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, expertly crafted for seamless integration and operation.
(9)Directional valve block inflow controller options: Tailor your choice with: 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, robust inflow controller; 8, pre-selectable options, each guaranteeing precision and optimized efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to meet specific 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, specifically crafted for optimal performance and reliability.
(12) Secondary pressure limitation options: Select your desired level of safety: 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 robust system safety.
(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 engineered for precise and commanding control.
(14) Operation modes: Diverse operational flexibility available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a fusion 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, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, precisely engineered for seamless adaptability and a perfect fit.
(16) End plate options: Discover a range of specially tailored end plate selections designed for unparalleled flexibility: E1, the standard choice, features an external discharge of pilot oil with an external oil return control port T; E2, similar to E1, includes an additional port Y for increased versatility; E3, equipped with a 2-position 3-way magnetic ball valve, elevates system pressure to match safety valve levels when the power supply is active, ensuring superior operational security.
E4, paralleling E1 but with an innovative internal discharge of pilot oil, expertly seals port T; E5, much like E2, boasts internal discharge capabilities; E6, akin to E3, each crafted to ensure advanced discharge control, providing unmatched precision and reliability.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a wide array of options such as G12-12VDC, meticulously designed to guarantee safety and optimal compatibility with specialized applications, thus meeting your precise requirements with confidence.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 been a radiant beacon of innovation and unmatched excellence in the hydraulic industry. As a distinguished subsidiary of the illustrious China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise of repute. Our core strength lies in the diligent research, cutting-edge development, precision manufacturing, and strategic sales of top-tier hydraulic components. Our esteemed national recognition as a 'specialized, refined, and innovative' small giant enterprise highlights our steadfast dedication to technological superiority and outstanding quality. This relentless pursuit of excellence positions us as leaders at the forefront of our industry.
Our flagship offering, the Load Sensitive Atex Valve for Enhanced Control of Hydraulic Equipment, represents the zenith of sophisticated hydraulic system management. Meticulously crafted for construction machinery and robust equipment, this adaptable component is indispensable for critical applications including emergency rescue missions, tunnel engineering, mining operations, and municipal service vehicles. We are immensely proud of our strategic alliances with a multitude of leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our commitment to delivering unparalleled products, services, and solutions. Our mission is to rise as a globally revered supplier of elite hydraulic components, setting unprecedented standards of excellence across the globe.
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.