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. 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.
Elevate your hydraulic systems with HLPSL valves, expertly tailored for constant displacement pump systems. These valves ensure steadfast and reliable operation across diverse settings. Meanwhile, HLPSV valves are masterfully engineered for variable pump systems. While their response time might be slightly slower, they excel in extraordinary energy-saving performance, positioning them as the ultimate choice where efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs, 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 essential component of reliability, delivering unwavering and consistent performance to ensure seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A model of adaptability and versatility, offering extraordinary flexibility to cater to a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, forming a trustworthy operational framework::
2-G3/8; Expertly crafted for compact proficiency, designed to facilitate streamlined and seamless operational flows.
3-G1/2; Engineered for strength and reliability, providing a solid foundation for your system's integrity.;
4-G3/4; Featuring cutting-edge connectivity, offering superior control and enhanced system integration.;
5, 55-G1; Equipped with exceptional flow rates, ideal for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unrivaled performance, expertly designed to excel in demanding environments and seamlessly tackle challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously designed to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizes flow management, driving unparalleled performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering tailored solutions to seamlessly meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Boosting efficiency and 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 - Our state-of-the-art pressure limiting valve, meticulously calibrated for secondary pressure (F50), stands as a beacon of safety and operational excellence. With precisely defined pressure values, this innovative feature guarantees enhanced security and unparalleled reliability in every operation.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Embrace ultimate versatility with precision-adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes adaptability, meeting every hydraulic demand with finesse. For configurations without a pressure limiting valve, /NF is expertly designed for HLPSV, ensuring impeccable pressure regulation across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Mastery:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is an engineering marvel, crafted to suit every application, delivering products that precisely align with your unique requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, each element is precisely crafted for seamless and smooth integration.
(9)Directional valve block inflow controller options: Select from our versatile range: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Explore our extensive suite of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Maximize efficiency with our spectrum of peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for superior performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar, ensuring unwavering system safety.
(13) Function ON/OFF and pressure outlet options: Customize with options such as: 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 exact control and functionality.
(14) Operation modes: Select from a diverse array of operation modes: A(1,2), manual operation with choice of 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), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control with alignment of pilot oil ports to oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, designed for all-encompassing and precise control.
(15) Ancillary block port sizes: Select from flexible options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each expertly crafted for seamless adaptability and integration.
(16) End plate options: Immerse yourself in our meticulously crafted end plate solutions designed for precision and efficiency. Choose E1, our standard, offering external pilot oil discharge and a dedicated external oil return control port T. Opt for E2 for a similar design enhanced with an additional port Y, or select E3, featuring a 2-position 3-way magnetic ball valve to elevate your system's pressure to safety valve standards when powered.
For seamless integration, consider E4, matching E1's design while introducing an innovative internal pilot oil discharge with a sealed port T. E5 mirrors E2 with the plus of internal discharge, and E6 carries the sophistication of E3, with every variant assuring superior discharge control.
(17) Control voltage and anti-explosion cable options: Explore our secure and highly compatible control voltage options, such as G12-12VDC, specifically designed to enhance safety and performance in challenging environments.G24-Select from our robust options including 24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become a beacon of innovation and excellence within the dynamic hydraulic industry. As a proud subsidiary of the highly regarded China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise of repute. We specialize in the research, development, manufacturing, and sales of top-tier hydraulic components, and have earned the prestigious title of a national 'specialized, refined, and innovative' small giant enterprise. This accolade showcases our steadfast commitment to technological advancement and superior quality, driving us to lead as pioneers in our field.
Our enhanced Safety Atex Valve, the flagship product, represents the zenith of advanced hydraulic system control, particularly with its load-sensitive proportional valve. This masterfully engineered component is designed for construction machinery and heavy-duty equipment, and is crucial in high-risk applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic partnerships with leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-serving customers with technology, impressing them with our attitude, and retaining them with quality-we remain committed to delivering outstanding products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new standards of excellence across the globe.
Inquiry:1. Regarding the lead time, what should I expect?
Response:Generally, our production lead time is about one month post-payment. During this period, we engage in thorough preparations and strict quality control to ensure that every product reaches you in pristine condition. Our unwavering commitment is to deliver with precision and earn your complete satisfaction.
Inquiry:2. Is there a minimum order quantity restriction for LED light purchases?
Response: We are pleased to offer a minimal order quantity option, allowing you to order even a single piece for sample verification. This ensures you can start your projects with ease and precision, tailored to match your exact specifications.
Inquiry:3. What steps are involved in placing an LED light order?
Response: Initiate the order by conveying your specific requirements or envisioned applications to us. We will then provide a personalized quote, tailored to your needs or bolstered by our expert guidance. Upon finalizing the drawings and receiving your deposit, we will formalize your order and start production. We vow to meet every specification with accuracy, offering a smooth and customized solution tailored for you.drawings,and secure a deposit to formalize the order. Subsequently, we will arrange production, ensuring each detail is flawlessly executed for a seamless and customized outcome.
Inquiry:4. Can I have my logo printed on the product?
Response: Absolutely, this is entirely possible. Please ensure you notify us before production begins and confirm the design based on the sample provided. This will ensure your branding is depicted with exceptional precision and quality, perfectly embodying your identity.
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