Witness the revolutionary transformation in hydraulic technology with our cutting-edge HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These exceptional components transcend ordinary functionality, representing the pinnacle of engineering excellence and avant-garde hydraulic innovation. Harmoniously merging pressure, flow, and directional control into a cohesive masterpiece, these valves guarantee unmatched performance and steadfast reliability in every application. Composed of three core functional modules - connecting blocks, directional valves, and end plates - they are intricately designed for integration into high-caliber hydraulic systems, essential for top-tier engineering machinery. These valves precisely modulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and mastery. Key attributes include a sleek, space-saving design, exceptional energy efficiency, and seamless speed control capabilities. Moreover, they enable multiple actuators to function simultaneously under diverse loads, providing extraordinary versatility and performance for any task.
The HLPSL valves are meticulously engineered for constant displacement pump systems, offering unwavering and dependable performance in every situation. Conversely, the HLPSV valves are ingeniously crafted for variable pump systems. While the HLPSV valves may exhibit a marginally slower response time, their unparalleled energy-efficient performance distinguishes them as the optimal choice when efficiency is critical. With cutting-edge engineering and an energy-conscious design, HLPSV valves emerge as the supreme solution for sophisticated hydraulic control demands, delivering an impeccable blend of precision, dependability, and energy conservation.
| 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 - This indispensable and steadfast cornerstone of hydraulic systems is engineered to deliver unwavering, consistent performance, ensuring that your operations run seamlessly and efficiently every step of the way.;
HLPSV: Variable Displacement Pump - The ultimate embodiment of versatility and adaptability, this pump is crafted to offer exceptional flexibility, meeting a broad spectrum of operational requirements with unparalleled precision.;
(2) Connection Block Ports P & R Specifications - Where meticulous precision meets unwavering reliability, creating a steadfast operational framework::
2-G3/8; Crafted for compact efficiency, it is meticulously designed to support smooth, uninterrupted operational flows, ensuring seamless performance.
3-G1/2; Engineered for robust performance and dependability, this component offers a rock-solid foundation for maintaining your system's integrity at all times.;
4-G3/4; Featuring advanced connectivity, this part provides superior control, significantly enhancing system integration and performance.;
5, 55-G1; With its superior flow rates, it is perfectly suited for high-demand applications, assuring consistent and reliable performance under any conditions.;
6-G1 1/4; Expertly crafted to deliver peerless performance, this component thrives in challenging environments, effortlessly overcoming obstacles.;
(3) Additional Components and Specifications - Elevating system capabilities to reach unparalleled heights of performance and reliability::
C,Standard Type - A cornerstone of reliability, meticulously crafted to meet essential operational needs, ensuring dependable performance every time.;
G,Throttle Valve (For HLPSL only) - Provides precision control, significantly enhancing the system's overall efficiency and performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, resulting in unmatched performance and reliability in all conditions.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions with a tailored approach for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing customized solutions that seamlessly align with your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control, ensuring superior system management and operational excellence:C - No magnetic ball valve; F - Normally open magnetic ball valve, seamlessly enabling pump pressurization when powered and unloading when unpowered; D - Normally closed magnetic ball valve, expertly facilitating pump unloading when powered, and pressurization when unpowered;D/F - Elevate your safety standards with our precision-engineered pressure limiting valve, meticulously designed for secondary pressure (F50). This state-of-the-art feature guarantees advanced safety protocols, significantly enhancing operational security and reliability, setting new benchmarks in safety.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience groundbreaking versatility and unparalleled precision with customizable pressure settings spanning from 63 to 400 bar. This component exemplifies adaptability, fully accommodating a diverse range of hydraulic requirements. For seamless configurations, /NF symbolizes no pressure limiting valve, meticulously tailored for HLPSV, ensuring impeccable pressure management across a wide spectrum of applications.
(7) Product Series Classification - Experience the Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is a marvel of engineering, expertly crafted to meet diverse applications, providing a product that aligns seamlessly with your precise needs, ensuring unmatched performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the precision-engineered intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve for seamless integration and operation.
(9)Directional valve block inflow controller options: Select from a diverse array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, specifically designed for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each delivering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a comprehensive selection of core functions: L, M, F, H, J, B, R, O, N, each precisely engineered to fulfill specific functional requirements with utmost precision.
(11) Output flow code for ports A & B: Maximize efficiency with peak output flow capabilities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly designed to provide 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 measured in bar, ensuring uncompromised 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 option meticulously engineered for precise control and functionality.
(14) Operation modes: Experience unparalleled versatility with our diverse range of operation modes. Choose from A(1,2), for manual operation with an optional long or short handle, or E, offering precision with electric proportional control. Elevate your operations with EA(1,2), blending electric proportional control with manual operation, or opt for D, featuring seamless electric switching value control. DA(1,2) offers a combined electric switching value and manual operation for superior flexibility. For hands-on control, M provides manual friction positioning with a long handle, while H ensures pure hydraulic control aligning pilot oil ports with oil ports A and B. F delivers pure hydraulic control with perpendicular pilot oil ports. These modes are meticulously engineered for comprehensive and precise control.
(15) Ancillary block port sizes: Experience unmatched adaptability and integration with our precision-engineered port size options. Tailor your selections from expertly crafted choices: /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1. Each option is designed to offer the ultimate flexibility, ensuring seamless integration and efficiency to meet your exact requirements.
(16) End plate options: Discover our exceptional array of meticulously tailored end plate solutions. E1, the standard bearer, features an external discharge of pilot oil and an external oil return control port T. Upgrade to E2 for an augmented experience with an additional port Y. Immerse in innovation with E3, integrating a 2-position 3-way magnetic ball valve, elevating your system's pressure to safety valve levels when powered, ensuring superior performance and reliability.
E4, similar to E1, excels with an internal discharge of pilot oil and a sealed port T. E5 mirrors the excellence of E2, now enhanced with internal discharge capabilities. E6 embodies the advanced design of E3, promising superior discharge control. Each variant is crafted to ensure your system operates at the pinnacle of efficiency and performance.
(17) Control voltage and anti-explosion cable options: Strengthen your system's safety and reliability with our tailored solutions. Choose G12-12VDC for specialized applications demanding optimal safety and compatibility.G24: The preferred choice for robust performance and steadfast reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G: Optimize your strategic choices with these options, designed for peak efficiency and adaptability across various demanding environments.12: A hallmark of precision and reliability, crafted for flawless integration into your systems.bb621436: A code representing excellence and a benchmark in our innovative design.
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 enhanced Safety Atex Valve, the flagship product, embodies the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 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.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this period, we meticulously prepare and adhere to rigorous quality control processes, ensuring each product is delivered to you in impeccable condition. Our unwavering commitment is to achieve your utmost satisfaction with flawless delivery.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, granting you the luxury of ordering as little as a single piece for sample verification. This flexibility allows you to start your projects with utmost ease and precision, effortlessly meeting your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Start the process by communicating your detailed requirements or intended applications to us. We will craft a tailored quote specifically for you, either based on your unique needs or with the guidance of our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production, ensuring adherence to every specification with precision for a seamless and bespoke solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, ensuring 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 you formally notify us prior to production commencement and confirm the design based on the sample we provide. This guarantees your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
Audited Supplier 
){kind=link}