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, ensuring unwavering and consistent performance to maintain smooth and uninterrupted operations across your hydraulic systems.;
HLPSV: Variable Displacement Pump - The epitome of versatility and flexibility, offering exceptional adaptability to meet a diverse array of operational needs with precision.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, crafting a dependable operational framework::
2-G3/8; Designed with compact proficiency, supporting streamlined and uninterrupted operational workflows.
3-G1/2; Built for robustness and reliability, establishing a sturdy foundation for the integrity of your system.;
4-G3/4; Offering advanced connectivity, providing superior control and enhanced system integration.;
5, 55-G1; Boasting superior flow rates, perfect for high-demand applications, ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unparalleled performance, ingeniously crafted to excel in demanding environments and navigate challenges with ease.;
(3) Additional Components and Specifications - Elevating your system capabilities to unprecedented heights::
C,Standard Type - A reliable and trusted foundation, meticulously engineered to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, amplifying the overall efficiency and effectiveness of your systems.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving unmatched performance and dependability.;
(4) Pilot Oil Circuit Pressure Options - Offering custom pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions to seamlessly align with your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and command: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 - Embrace unrivaled safety and reliability with our precision-engineered pressure limiting valve, tailored for secondary pressure (F50) with a specified pressure value. This state-of-the-art feature guarantees enhanced operational security, ensuring your systems run smoothly and securely.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled versatility and precision with adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar levels. This feature is a hallmark of adaptability, catering to every hydraulic demand. For seamless configurations, /NF signifies no pressure limiting valve, meticulously crafted for HLPSV, promising flawless pressure management across an array of applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a masterpiece, artfully designed to seamlessly integrate with every application, ensuring you receive the perfect product crafted precisely for your specific needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, precisely engineered for smooth, seamless integration.
(9)Directional valve block inflow controller options: Select from a variety of options: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, crafted 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: Unlock a full range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill distinct functional requirements.
(11) Output flow code for ports A & B: Achieve optimal efficiency with available peak output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, engineered 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 quantified in bar, ensuring unrivaled system safety.
(13) Function ON/OFF and pressure outlet options: Tailor your setup 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 designed for precise control and optimal functionality.
(14) Operation modes: Choose from an array of operation modes: A(1,2), manual operation with optional 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), combined electric switching value control and manual operation; M, manual friction positioning with 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 for comprehensive and precise control.
(15) Ancillary block port sizes: Explore our versatile, industry-leading options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously crafted for unparalleled compatibility and seamless integration.
(16) End plate options: Unveil our expertly tailored end plate solutions: E1, the quintessential choice, boasting an external discharge of pilot oil and an external oil return control port T; E2, akin to E1, yet distinguished by an added port Y; E3, featuring a 2-position 3-way magnetic ball valve to elevate your system's pressure to safety valve levels upon activation.
E4, crafted in likeness to E1, uniquely incorporates an internal discharge of pilot oil with a sealed port T; E5 mirrors the ingenuity of E2, also with internal discharge; E6 echoes the precision of E3, each model assuring advanced discharge control for optimal system performance.
(17) Control voltage and anti-explosion cable options: Select from an array of secure, specialized options like G12-12VDC, designed to ensure safety and efficiency in high-demand environments.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the enhanced Safety Atex Valve featuring load-sensitive proportional valve technology, represents the pinnacle of advanced hydraulic system control. This expertly engineered component is crucial for a range of high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Designed specifically for construction machinery and heavy-duty equipment, it exemplifies versatility and reliability. We are immensely proud of our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by the core philosophy of 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality,' we are resolute 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 new benchmarks of excellence worldwide.
Customer Inquiry:1. What about the lead time?
Response:Typically, the production timeline is approximately one month following receipt of payment. Within this period, we engage in thorough preparatory stages and implement stringent quality assurance protocols, ensuring each product meets the highest standards before delivery. Our unwavering dedication is to provide you with a flawless delivery experience, ensuring your complete satisfaction.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We are pleased to offer a highly flexible minimum order quantity, allowing the purchase of even a single piece for sample identification and verification. This adaptability provides you with the freedom to commence your projects with superior convenience and accuracy, perfectly aligning with your specific needs.
Customer Inquiry:3. How to proceed with an order for LED lights?
Response: Initiate your order by sharing your detailed specifications or intended uses with us. We will then prepare a bespoke quotation tailored to your distinct requirements or offer expert guidance as needed. Upon finalizing the drawings and receiving a deposit, we will confirm the order and commence production. Our promise is to adhere meticulously to every specification, delivering a seamless and uniquely customized solution 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.
Customer Inquiry:4. Is it OK to print my logo on the product?
Response: Certainly, this option is absolutely available. Kindly inform us formally before production begins and confirm the design based on the sample we provide. This ensures that your branding is represented with exceptional precision and quality, perfectly reflecting your brand's identity.
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