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.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced hydraulic control requirements, 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 cornerstone of reliability, this pump masters the art of delivering unwavering consistency, ensuring seamless and efficient operations throughout your system.;
HLPSV: Variable Displacement Pump - A model of ingenuity and flexibility, this pump is engineered to meet a broad spectrum of operational needs with extraordinary adaptability.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, constructing a dependable framework::
2-G3/8; Designed for compact effectiveness, this port ensures streamlined and seamless operational flow.
3-G1/2; Built for strength and reliability, offering a robust foundation for maintaining your system's integrity.;
4-G3/4; Featuring sophisticated connections, this port provides exceptional control and enhanced system integration.;
5, 55-G1; With superior flow rates, these ports are tailored for high-demand applications, ensuring reliable, consistent performance.;
6-G1 1/4; Delivering peerless performance, expertly crafted to excel in challenging environments with ease.;
(3) Additional Components and Specifications - Elevating system performance to new heights::
C,Standard Type - A steadfast and trustworthy foundation, carefully designed to fulfill essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, boosting the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These provide customized solutions to seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing 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 - Presenting our cutting-edge, precision-engineered pressure limiting valve, expertly designed to regulate secondary pressure (F50) with an exact pressure specification. This marvel of engineering elevates operational safety and reliability to unprecedented heights by enhancing advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the zenith of adaptability and precision with customizable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. This component epitomizes flexibility, seamlessly integrating into all hydraulic needs. The /NF configuration, precisely crafted for HLPSV, delivers unmatched pressure control across diverse applications, eliminating the need for a pressure limiting valve.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series represents a masterclass in design, meticulously crafted to meet every application, ensuring you receive a product that precisely aligns with your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; With the inclusion of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, superbly engineered for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from a remarkable selection: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 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 outstanding efficiency.
(10) Valve core function symbols: Explore an extensive portfolio of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for optimal performance and reliability.
(12) Secondary pressure limitation options: Select 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 measured in bar, these options ensure uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Customize your system with options like: 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 precisely engineered to deliver optimal control and functionality.
(14) Operation modes: Choose from a diverse range of operation modes: A(1,2), manual operation with an optional long or short handle; E, electric proportional control; EA(1,2), a hybrid 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 a 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, crafted to offer comprehensive and precise control.
(15) Ancillary block port sizes: Discover supreme versatility with our ingeniously crafted port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. Each selection is masterfully designed to ensure seamless adaptability and perfect integration into a wide array of systems, enhancing your operational capabilities.
(16) End plate options: Delve into our meticulously engineered end plate solutions: E1, your reliable standard, features an external discharge of pilot oil and an external oil return control port T; E2, similar to E1, is elevated with an additional port Y for enhanced operational flexibility; E3, endowed with a 2-position 3-way magnetic ball valve, escalates system pressure to safety valve levels upon activation, offering superior control and precision.
E4, inspired by E1, ingeniously integrates an internal discharge of pilot oil with a sealed port T for sophisticated functionality; E5, akin to E2, offers internal discharge for peak performance; E6, mirroring the advanced design of E3, provides cutting-edge discharge control across all variations for unparalleled system management.
(17) Control voltage and anti-explosion cable options: Choose from our secure and expertly tailored range, including G12-12VDC, engineered for safety and exceptional specialization in the most stringent applications, fulfilling demanding operational requirements with ease.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 emerged as a beacon of innovation and excellence within the hydraulic industry. Proudly operating as a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we stand firmly as a national high-tech enterprise. Our unparalleled expertise in the meticulous research, development, manufacturing, and sales of premium hydraulic components truly sets us apart. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, our steadfast dedication to technological advancement and superior quality is unmistakable. This unwavering commitment undeniably positions us as trailblazers in our field.
Our flagship product, the enhanced Safety Atex Valve, represents the pinnacle of advanced hydraulic system control. Exquisitely engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous 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 remain steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting unparalleled standards of excellence worldwide.
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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