Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves-truly the zenith of hydraulic innovation. These engineering marvels seamlessly merge pressure, flow, and directional control into one cohesive, harmonious entity, promising extraordinary performance and unwavering reliability in any scenario. Crafted with utmost precision, these valves consist of three indispensable functional modules: connecting blocks, directional valves, and end plates, making them ideal for integration into high-end hydraulic systems essential for premium engineering machinery. They meticulously regulate the movement direction and velocity of hydraulic cylinders, motors, and other actuators, providing impeccable precision and control. These valves boast a compact design, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate concurrently under varying loads, delivering exceptional performance and versatility across any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, assuring steadfast and reliable operation across various environments. Conversely, the HLPSV valves are masterfully crafted for variable pump systems. While HLPSV valves may have a slightly slower response time, they excel in delivering outstanding energy-saving performance, rendering them the quintessential choice for applications where efficiency is of utmost importance. With state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the foremost solution for advanced hydraulic control needs, presenting a flawless amalgamation 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 bedrock of stable and steadfast performance, meticulously engineered to ensure your operations are always smooth and seamless.;
HLPSV: Variable Displacement Pump - Embodying ultimate adaptability and versatility, this pump is crafted to meet a wide array of operational demands with ease.;
(2) Connection Block Ports P & R Specifications - Precision paired with reliability for dependable operations::
2-G3/8; Masterfully designed for compact efficiency, facilitating streamlined and uninterrupted operational flows.
3-G1/2; Crafted for sturdiness and reliability, ensuring a solid and dependable system foundation.;
4-G3/4; Pioneering advanced connectivity, this offers unrivaled control and enhanced system integration.;
5, 55-G1; With a remarkable flow rate, this option is ideal for high-demand applications, guaranteeing consistent high-level performance.;
6-G1 1/4; Delivering peerless performance, this is engineered to excel and overcome field challenges.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented levels::
C,Standard Type - A dependable and trustworthy baseline, meticulously tailored to meet your critical operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, amplifying overall system efficiency and effectiveness.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow governance, ensuring superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailoring solutions precisely to your unique operational requirements with seamless precision.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activating pump pressurization when powered, and unloading it when unpowered; D - Normally closed magnetic ball valve, which unloads the pump when powered, and pressurizes it when unpowered;D/F - Equipped with a precision pressure limiting valve (F50) for secondary pressure, this feature ensures operations are fortified with state-of-the-art safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Revel in the adjustable settings ranging from 63 to 400 bar levels, epitomizing the zenith of versatility and precision. For simplicity seekers, the /NF option, tailored specifically for HLPSV, ensures flawless pressure control, making it an essential in fulfilling all your hydraulic demands.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to adapt to every application, guaranteeing a product that aligns perfectly 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; plus ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from a curated selection: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, fortified inflow controller; 8, pre-selectable preferences, each crafted for unparalleled precision and efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each crafted to meet distinct functional demands.
(11) Output flow code for ports A & B: Enhance efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, expertly tailored for superior performance.
(12) Secondary pressure limitation options: Select 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 calibrated in bar, ensuring robust and secure system functionality.
(13) Function ON/OFF and pressure outlet options: Enjoy customizable selections: N, sans 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 crafted for precise control.
(14) Operation modes: A wide array of modes available: A(1,2), manual operation featuring optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a merger of electric switching value control and manual operation; M, manual friction positioning with an extended 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, meticulously designed for complete control.
(15) Ancillary block port sizes: Choose from a spectrum of options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, meticulously designed for seamless versatility.
(16) End plate options: Our extensive range of tailored end plate choices ensures optimal functionality and adaptability. Available configurations include: E1, the standard option, featuring an external discharge of pilot oil and an external oil return control port T, designed for efficient operation. E2, similar to E1, offers an additional port Y for enhanced versatility. E3 is equipped with a 2-position 3-way magnetic ball valve, ingeniously elevating system pressure to match safety valve levels during power supply, thereby enhancing operational safety and reliability.
E4 is akin to E1 but features an internal discharge of pilot oil with a sealed port T for secure and effective sealing. E5, paralleling E2, also benefits from internal discharge, providing a compact and efficient solution. E6 mirrors E3's design, ensuring sophisticated discharge control across varied applications, and maintaining peak performance under all conditions.
(17) Control voltage and anti-explosion type cable length options: Choose from a variety of control voltage configurations to ensure safety and seamless integration with your specialized applications. Options include G12-12VDC, delivering dependable performance in safety-critical environments.G24 - For applications demanding 24VDC, providing robust and reliable power delivery.- Tailor your solution effortlessly with our versatile voltage and cable length options.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Explore our extensive voltage choice for precise application compatibility.12 - A 12-volt option tailored for specific application needs, ensuring optimal performance.bb621436 - A reference code for consistent product identification and seamless ordering processes.
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 load-sensitive proportional valve, epitomizes 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:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.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 possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
){kind=link}