Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, skillfully blending pressure, flow, and directional control into a singularly cohesive marvel. This ensures unparalleled performance and reliability across every application. Typically composed of three critical functional modules-connecting blocks, directional valves, and end plates-these precision-engineered valves are meticulously designed for seamless integration into high-end hydraulic systems, essential for superior engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the remarkable capability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility across a vast array of applications.
The HLPSL valves are masterfully designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves might exhibit a slightly slower response, they excel by providing outstanding energy-saving performance, making them the optimal choice for scenarios where efficiency is of paramount importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal combination of precision, reliability, and unmatched 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 keystone of reliability, this pump delivers unwavering performance that ensures your operations run effortlessly and continuously. Experience the ultimate in dependable service, keeping your system finely tuned and operating seamlessly.;
HLPSV: Variable Displacement Pump - The epitome of flexibility and adaptability, offering incredible versatility to meet a vast array of operational needs. Designed to respond to fluctuating demands with ease, it provides smooth transitions and exceptional control.;
(2) Connection Block Ports P & R Specifications - Where precision meets trustworthiness, creating a robust operational framework: Meticulously engineered for optimal performance and reliability across all applications.:
2-G3/8; Designed for compact efficiency, it supports streamlined operations with ease. Precision-engineered to ensure peak performance even in tight spaces, it guarantees fluid and hassle-free function.
3-G1/2; Crafted for strength and reliability, providing a stalwart foundation for system integrity. Built for longevity, it stands steadfast under the most challenging conditions, ensuring durability and resilience.;
4-G3/4; Advanced connectivity for superior control and system integration. This component marries sophistication with efficiency, boosting your system's operational capability to new heights.;
5, 55-G1; With exceptional flow rates, this is ideal for demanding applications, ensuring consistent, dependable performance. Designed for peak efficacy, it meets high-pressure challenges head-on with unrivaled ease.;
6-G1 1/4; Delivering exceptional performance, designed to excel under demanding conditions and conquer challenges effortlessly. Establishing new standards in power and performance excellence.;
(3) Additional Components and Specifications - Taking system capabilities to new, impressive levels: Harness the potential of your operations with advanced components that set a new standard of excellence.:
C,Standard Type - A steadfast base, meticulously crafted to fulfill core operational needs. Offering solid support and unmatched reliability, empowering your system with enduring strength.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, boosting the overall efficiency of your system. Fine-tune your operations for maximum effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, pushing the boundaries of conventional performance for remarkable results and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for a variety of applications: Tailored to fit your needs, providing precise control that aligns perfectly with your operational goals.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Experience superior customization capabilities crafted to perfectly align with your unique operational needs. Our configurable solutions guarantee effortless attainment of your desired results.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevate efficiency and control to new heights: Engineered to enhance your system's performance, offering unparalleled control and excellence.C - No magnetic ball valve; F - Normally open magnetic ball valve, engaging the pump when powered, releasing it when unpowered; D - Normally closed magnetic ball valve, releasing the pump when powered, engaging it when unpowered; Delivering precise adjustments for exceptional system efficiency.D/F - Introducing a cutting-edge, intricately precision-engineered pressure limiting valve for secondary pressure (F50), crafted with extraordinary accuracy to uphold a specifically defined pressure value. This engineering feat is devised to substantially enhance innovative safety measures, elevating operational security and reliability to exceptional levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the pinnacle of versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component embodies adaptability, effortlessly addressing every hydraulic need. The /NF setup provides systems without a pressure limiting valve, expertly tailored for HLPSV, offering unmatched pressure control across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Prowess:;-2 2 Series; -3 3 Series; -5 5 Series; Each series signifies a masterstroke in design, thoughtfully crafted to meet every application, ensuring you receive a product that seamlessly matches your particular needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Inclusive of auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly designed for impeccable and seamless integration.
(9)Directional valve block inflow controller options: Select from a wide range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, customized 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: Discover a vast 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: Realize peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each crafted for supreme performance and reliability.
(12) Secondary pressure limitation options: Choose from: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all meticulously measured in bar to guarantee uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your experience with our versatile options: N, for seamless operation without function ON/OFF or pressure outlet; X, with C type pressure limitation, delivering refined control; S/S1, featuring AB type pressure limitation, for enhanced performance; A, offering electrical ON/OFF on side A for precision; B, providing electrical ON/OFF on side B, each engineered for impeccable control and superior functionality.
(14) Operation modes: Choose from our diverse range of operation modes: A(1,2), for manual operation with the flexibility of long or short handle options; E, offering state-of-the-art electric proportional control; EA(1,2), a synergistic blend of electric proportional control and manual operation; D, for reliable electric switching value control; DA(1,2), combining electric switching value control with manual operation; M, designed for manual friction positioning with a long handle; H, providing pure hydraulic control by aligning pilot oil ports with oil ports A and B; F, using pure hydraulic control with perpendicular pilot oil ports, each expertly designed for comprehensive and precise control.
(15) Ancillary block port sizes: Discover redefined versatility with our ingeniously crafted options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each meticulously engineered to ensure seamless adaptability and flawless integration across diverse systems, guaranteeing efficiency and optimal performance.
(16) End plate options: Explore our meticulously designed end plate solutions: E1, the standard choice, offers an external discharge of pilot oil alongside an external oil return control port T. E2 builds on E1 with the added flexibility of port Y; E3 introduces a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels when activated for peak performance.
E4, echoing E1, innovatively integrates an internal discharge of pilot oil with a sealed port T for enhanced efficiency. E5 maintains the robust features of E2 with internal discharge, ensuring optimal performance. E6 mirrors the sophisticated design of E3, providing advanced discharge control in every variant to meet complex system demands.
(17) Control voltage and anti-explosion cable options: Choose from our secure and compatible range, including G12-12VDC, designed for safety and reliability in even the most demanding applications. Our options ensure specialization and security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its founding in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has stood as a beacon of innovation and excellence within the hydraulic industry. Proudly operating as a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, showcasing our dedication to technological advancement and superior quality. Our unparalleled expertise spans across the rigorous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to excellence, solidifying our position as leaders in the field.
Our flagship creation, the enhanced Safety Atex Valve, represents the pinnacle of cutting-edge hydraulic system control. This expertly crafted component is designed for use in construction machinery and heavy-duty equipment, playing a vital role in critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic alliances with leading domestic manufacturers, significantly advancing the localization of 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 steadfast in our pursuit of delivering exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, continually setting new standards 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.
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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