Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true pinnacle of hydraulic excellence. These revolutionary engineering marvels represent the zenith of innovation by seamlessly blending pressure, flow, and directional control into a single, cohesive masterpiece. This unique synthesis guarantees unparalleled performance and reliability across every conceivable application. Each valve is meticulously crafted from three essential functional modules: connecting blocks, directional valves, and end plates, ensuring effortless integration into high-end hydraulic systems essential for superior engineering machinery. These valves expertly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and control. Notable features include a compact design, exceptional energy efficiency, and the ability for stepless speed control. These valves empower multiple actuators to function simultaneously under varying loads, delivering remarkable performance and versatility across diverse applications.
The HLPSL valves are masterfully engineered for constant displacement pump systems, ensuring steadfast and dependable operation in every environment. Conversely, the HLPSV valves are ingeniously tailored for variable pump systems. While HLPSV valves may exhibit a marginally slower response, they excel in delivering superb energy-saving performance, cementing their status as the top choice for situations where efficiency is imperative. With their cutting-edge engineering and energy-conserving design, HLPSV valves emerge as the ultimate solution for advanced hydraulic control requirements, offering an excellent 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 foundation of unwavering reliability, ensuring a steady, consistent performance that enhances your system's operations. Its dependable nature makes it an indispensable asset, guaranteeing your machinery operates with precision and efficiency, much like a well-oiled clock.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, it seamlessly adjusts to a multitude of operational requirements. This versatile pump is engineered to offer remarkable control, allowing smooth transitions and optimal efficiency in dynamic environments.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge to form a robust operational framework: Engineered with meticulous detail, these specifications ensure flawless performance, bolstering reliability across every application. The design promises top-tier consistent operation.:
2-G3/8; This port offers a compact, high-efficiency design, facilitating streamlined and efficient operational flows. Precision-engineered to meet stringent standards even in confined spaces, it guarantees optimal performance.
3-G1/2; Crafted for strength and dependability, this connection ensures system stability. Built to endure, it provides lasting performance under challenging conditions, reinforcing your system's durability.;
4-G3/4; Innovatively designed for advanced connectivity, it enhances system integration and control, elevating operational capabilities with its sophisticated architecture.;
5, 55-G1; With exceptional flow rates, this port excels in high-demand scenarios, ensuring consistent, reliable performance. It is crafted for superior operation in high-pressure environments, making it an essential component.;
6-G1 1/4; This port delivers unparalleled performance, expertly designed to thrive in demanding settings. It sets new industry standards for power and efficiency, confirming its status as a leader.;
(3) Additional Components and Specifications - Reach new heights in system capabilities: Unlock operational potential with cutting-edge components that redefine excellence and elevate performance, keeping your operations at the pinnacle of industry standards.:
C,Standard Type - A core pillar of reliability, precisely designed to meet fundamental operational needs. It provides enduring support and unmatched dependability, ensuring your system withstands daily challenges.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, optimizing system efficiency. By fine-tuning operations for maximum performance, it enhances your system's capabilities with ease.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Experience the ultimate in flow management, as this revolutionary component amplifies performance and reliability, setting new standards of excellence by consistently delivering exceptional results.;
(4) Pilot Oil Circuit Pressure Options - Discover customized pressure control solutions tailored for a multitude of applications: Specifically designed to meet your precise specifications, ensuring precision control that perfectly aligns with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Indulge in bespoke solutions that seamlessly address your unique operational needs. With customizable configurations, you achieve optimal outcomes with unmatched ease and flexibility.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhance efficiency and command: This expertly crafted solution boosts your system's prowess, offering unrivaled control and superior efficiency.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered; Enable precision tuning that delivers unmatched system efficiency.D/F - Introducing an innovative, precision-engineered pressure limiting valve for secondary pressure (F50), crafted with stunning accuracy to sustain a meticulously set pressure value. This engineering triumph significantly elevates advanced safety measures, optimizing operational security and reliability to extraordinary heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Witness unparalleled versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, effortlessly meeting every hydraulic demand. The /NF configuration provides systems without a pressure limiting valve, masterfully crafted for HLPSV, ensuring unmatched pressure control for a wide spectrum of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterpiece of design, artfully crafted to fulfill every application requirement, ensuring you select a product that perfectly matches your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for perfect and seamless integration.
(9)Directional valve block inflow controller options: Select from a broad range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, designed 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: Unveil a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Elevate your operational efficiency with our maximum output flow options meticulously designed for optimum performance: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each setting promises supreme functionality and unwavering reliability, ensuring your hydraulic systems operate seamlessly.
(12) Secondary pressure limitation options: Explore our superior range of pressure limiting options for maximum system safety: N, without pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, individual pressure limitation for ports A & B. Each selection is precisely calibrated in bar, affording unparalleled protection and peace of mind.
(13) Function ON/OFF and pressure outlet options: Tailor your system's control with our expertly curated options: N, devoid of 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. Every option is crafted for accurate and dependable performance.
(14) Operation modes: Achieve comprehensive control with our wide array of operation modes: A(1,2), manual control with a choice of long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a fusion of electric switching value control and manual handling; M, manual friction positioning with a long handle; H, exclusive hydraulic control aligning pilot oil ports with ports A and B; F, exclusive hydraulic control with perpendicular pilot oil ports. Each mode is engineered for precision, adaptability, and ultimate control.
(15) Ancillary block port sizes: Discover unmatched versatility with our precision-engineered block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These sizes are designed for adaptability and seamless integration into various systems, ensuring top-tier efficiency and performance.
(16) End plate options: Unveil our meticulously designed end plate solutions: E1 offers external discharge of pilot oil with external oil return control via port T. E2 builds on E1 by adding port Y for enhanced flexibility; E3 features a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, maximizing performance.
E4 mirrors E1 but integrates an innovative internal pilot oil discharge with a sealed port T, enhancing efficiency. E5 augments E2 with internal discharge for superior performance. E6 replicates the advanced features of E3, delivering state-of-the-art discharge control for intricate system demands.
(17) Control voltage and anti-explosion cable options: Choose from our robust and secure range, including G12-12VDC, perfectly tailored for rigorous applications with an emphasis on safety and reliability. Our offerings guarantee specialization and security across various demanding environments.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 emerged as a beacon of innovation and excellence in the hydraulic industry. As a distinguished subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, showcasing our steadfast commitment to technological advancement and unmatched quality. Our expertise is second to none, encompassing comprehensive research, development, manufacturing, and sales of superior hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our pursuit of excellence, reinforcing our leadership in the field.
Introducing our flagship innovation, the game-changing Safety Atex Valve, representing the pinnacle of advanced hydraulic system control technology. This precisely engineered component is essential for construction machinery and heavy-duty equipment, proving vital in applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly collaborate with leading domestic manufacturers, significantly advancing the localization of core hydraulic components for intricate mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our mission to provide exceptional products, services, and solutions. Our vision is to ascend as a globally trusted supplier of premier hydraulic components, consistently setting new standards of excellence on the international 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.
Question:2. Do you have any MOQ limit for LED light orders?
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.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring 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 that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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