Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a testament to unparalleled hydraulic advancement. These extraordinary engineering triumphs epitomize hydraulic mastery by elegantly merging pressure, flow, and directional control into a singular, integrated marvel. This synthesis ensures unrivaled performance and steadfast reliability across diverse applications. Typically composed of three vital functional modules: connecting blocks, directional valves, and end plates, these meticulously crafted valves are engineered for flawless integration into elite hydraulic systems, essential for top-tier engineering machinery. They expertly manage the directional movement and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and command. Standout features encompass a compact design, exceptional energy efficiency, and the ability for stepless speed control. Furthermore, these valves empower multiple actuators to operate simultaneously under varying loads, delivering outstanding performance and versatility for any application.
The HLPSL valves are masterfully engineered for constant displacement pump systems, ensuring resolute and dependable performance in any setting. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. Although HLPSV valves may exhibit a slightly reduced response time, they excel in delivering exceptional energy-saving functionality, making them the ideal choice for scenarios where efficiency is paramount. With sophisticated engineering and a focus on energy conservation, HLPSV valves emerge as the preeminent solution for advanced hydraulic control necessities, offering an impeccable 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 - A cornerstone of reliability, this pump consistently delivers dependable and unwavering performance. It ensures your machinery operates smoothly and efficiently, maintaining precise functionality with utmost accuracy.;
HLPSV: Variable Displacement Pump - This pump epitomizes adaptability and versatility, offering extraordinary flexibility to cater to diverse operational needs. It seamlessly adjusts to dynamic demands, providing superior control and optimal efficiency for every application.;
(2) Connection Block Ports P & R Specifications - Precision meets reliability in this framework, meticulously designed for flawless performance. It enhances reliability across applications, ensuring consistency and top-tier operation with each use.:
2-G3/8; Designed for exceptional compactness and efficiency, it supports seamless operational flows. Expertly engineered for precision, it guarantees optimal performance even in confined spaces, meeting rigorous standards.
3-G1/2; Engineered for robustness, this connection ensures reliability and system integrity. Built to withstand demanding conditions, it offers enduring durability, ensuring your system's longevity.;
4-G3/4; With advanced connectivity, it provides superior control and system integration. This innovative design enhances efficiency and control, improving your system's overall operational capabilities.;
5, 55-G1; Featuring superior flow rates, it is ideal for high-demand applications, ensuring consistent, reliable performance. Designed for excellence, it effortlessly meets high-pressure challenges, proving essential in challenging environments.;
6-G1 1/4; Delivering unmatched performance, this component is expertly crafted to excel in demanding scenarios, setting new benchmarks in power and performance with ease.;
(3) Additional Components and Specifications - Elevate your system's capabilities with advanced components that redefine excellence. These enhancements ensure your operations meet and exceed industry standards, maintaining a cutting-edge position.:
C,Standard Type - Meticulously designed, this reliable foundation meets essential operational requirements. It provides steadfast support and unmatched reliability, empowering your system to withstand daily operation rigors.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, this valve enhances system efficiency by optimizing performance, fine-tuning operations for maximum effectiveness effortlessly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Maximizing flow management for unparalleled performance and dependability, this component delivers extraordinary results consistently.;
(4) Pilot Oil Circuit Pressure Options - Offering unrivaled precision: Our bespoke solutions provide unparalleled control tailored to meet your exact operational needs.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Ensure optimal outcomes with customizable configurations that cater effortlessly to your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Achieve unparalleled efficiency and control: Designed to amplify performance for extraordinary control and effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads when powered, pressurizes when unpowered; Fine-tune for unmatched system efficiency.D/F - Discover a pioneering, precision-engineered pressure limiting valve for secondary pressure (F50), crafted to enhance safety and optimize operational reliability at an unprecedented level.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash unparalleled versatility with adjustable settings from 63 to 400 bar. This component embodies adaptability for every hydraulic necessity, with the /NF configuration delivering supreme pressure control.
(7) Product Series Classification - The pinnacle of engineering excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a testament to flawless design, crafted to seamlessly meet your specific application needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including expertly engineered ancillary blocks or the intermediate transition block ZPL 5S(V)/H for impeccable integration.
(9)Directional valve block inflow controller options: Choose from a vast selection: 1, without controller; 2, standard controller; 4, advanced 3-way flow controller; 5, enhanced controller; 8, pre-selectable options, each ensuring precision and exceptional efficiency.
(10) Valve core function symbols: Explore a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each tailored to meet exacting functional needs.
(11) Output flow code for ports A & B: Maximize efficiency with flow options: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, designed for superior performance and dependability.
(12) Secondary pressure limitation options: Discover unparalleled system safety with our paramount selection of pressure limitation options. Choose 'N' for no pressure limiting protection, 'C' for concurrent pressure limitation across actuator ports A & B, or 'A---B---' for independent pressure limitation at ports A & B. Each meticulously calibrated option is expressed in bars, promising steadfast protection for your systems.
(13) Function ON/OFF and pressure outlet options: Elevate your control experience with our distinguished and precisely designed options. Opt for 'N' to exclude function ON/OFF and pressure outlets or select 'X' for C type pressure limitation, 'S/S1' for AB type limitation. Choose 'A' for electrical ON/OFF on side A, or 'B' for side B. Each option is engineered for impeccable and consistent functionality.
(14) Operation modes: Experience the next level of control with our wide-ranging operation modes. 'A(1,2)' offers manual operation with either a long or short handle, while 'E' brings electric proportional control. 'EA(1,2)' merges electric proportional control with manual operation. Opt for 'D' with electric switching value control or 'DA(1,2)' for its combination with manual operation. 'M' provides manual friction positioning with a long handle, and 'H' offers pure hydraulic control, aligning pilot oil ports with A and B. 'F' provides hydraulic control with perpendicular pilot oil ports. Each mode is crafted with precision and adaptability in mind.
(15) Ancillary block port sizes: Achieve unmatched adaptability with our expertly crafted port size options. Choose from /2 G3/8, /3 G1/2, /4 G3/4, or /5 G1 to ensure seamless integration and unmatched performance across a diverse array of systems, delivering efficiency and peak operational excellence.
(16) End plate options: Delve into our expertly engineered end plate options. 'E1' provides an external pilot oil discharge and external oil return control port T. 'E2' enhances E1 with port Y for additional flexibility. 'E3' features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring optimal performance and reliability.
E4 mirrors E1, integrating an ingenious internal pilot oil discharge with a sealed port T for enhanced efficiency. 'E5' builds on E2 with an internal discharge, ensuring superior performance. 'E6' echoes the advanced design of E3, delivering state-of-the-art discharge control to meet the most intricate system demands.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range, including 'G12-12VDC', designed for high-demand applications prioritizing safety and reliability. Our offerings ensure robust specialization and steadfast security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has ascended to prominence as a symbol of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is acclaimed as a national high-tech enterprise, underscoring our unwavering dedication to technological advancement and unparalleled quality. Our expertise is unrivaled, encompassing exhaustive research, development, manufacturing, and sales of premium hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, fortifying our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, epitomizing the zenith of advanced hydraulic system control technology. This meticulously engineered component is indispensable for construction machinery and heavy-duty equipment, playing a critical role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with leading domestic manufacturers, significantly propelling the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unyielding in our quest to deliver extraordinary products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, consistently setting new benchmarks of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
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Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
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