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 - This is the bedrock of reliable and steady performance, ensuring your operations maintain an unbroken flow of efficiency.;
HLPSV: Variable Displacement Pump - Demonstrates remarkable adaptability and versatility, providing unique solutions for every operational challenge.;
(2) Connection Block Ports P & R Specifications - Precision and dependability converge here, underpinning reliable and trusted operations::
2-G3/8; Crafted for compact efficiency, enhancing seamless and streamlined operational flows.
3-G1/2; Engineered for strength and reliability, forming a robust anchor for your system.;
4-G3/4; Facilitating advanced connectivity, delivering exceptional control and improved system integration.;
5, 55-G1; Possessing superior flow rates, this selection is ideal for high-demand environments, assuring unwavering performance.;
6-G1 1/4; Boasts unrivaled performance, expertly crafted to excel in demanding conditions and exceed challenges.;
(3) Additional Components and Specifications - Elevating lifting system capabilities to unprecedented heights::
C,Standard Type - A dependable and trustworthy foundation, perfectly suited to fundamental operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficacy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Streamlines flow management, driving superior reliability and efficiency.;
(4) Pilot Oil Circuit Pressure Options - Delivering tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering customized solutions that seamlessly align with your operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and optimizing 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 - Equipped with a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Delivering top-tier safety measures to secure and safeguard operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unlock the ultimate flexibility and precision with adjustable settings ranging from 63 to 400 bar levels, making this component the epitome of versatility. The option of /NF, with no pressure limiting valve, is thoughtfully crafted for HLPSV, ensuring streamlined simplicity. This ingenious feature guarantees optimal pressure management across diverse situations, cementing its status as a vital asset for your hydraulic needs.
(7) Product Series Classification - Unveiling the Apex of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is crafted with meticulous attention to detail, ensuring a perfect match for every unique application, and delivering a product that aligns impeccably with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including the expertly designed ancillary blocks or the innovative intermediate transition block ZPL 5S(V)/H, this hydraulic control shut-off valve is built for seamless and efficient integration.
(9)Directional valve block inflow controller options: Choose from a variety of precise configurations: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for N 3/3-way valve; 5, robust reinforced inflow controller; 8, pre-selectable options, each engineered for unmatched precision and efficiency.
(10) Valve core function symbols: Discover an expansive selection of core functions designed for unmatched versatility: L, M, F, H, J, B, R, O, N, each crafted with precision to meet distinct operational needs.
(11) Output flow code for ports A & B: Elevate performance with an array of maximum output flows ranging from 3 to 210 L/min, each designed for peak efficiency and tailored to your specific performance requirements.
(12) Secondary pressure limitation options: Opt for: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all precisely measured in bar to ensure superior system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Tailor your control with customizable options: 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 meticulously designed for exacting control.
(14) Operation modes: Explore diverse operation modes including: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrating electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligning pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, providing comprehensive and adaptable control solutions.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless and adaptable integration.
(16) End plate options: Dive into a world of customization with our end plate selections, offering tailored solutions such as: E1, the standard choice, featuring external discharge of pilot oil alongside an external oil return control port T; E2, similar in design to E1, but enhanced with an additional port Y; E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate system pressure to match safety valve levels when power is supplied.
E4, mirroring the features of E1, provides internal discharge of pilot oil while sealing port T; E5, closely following E2, also offers internal discharge; E6, akin to E3, guarantees sophisticated and precise discharge control mechanisms.
(17) Control voltage and the length of anti-explosion type cable options: Discover an array of selections like G12-12VDC, combining safety and compatibility for specialized applications, ensuring your system performs optimally under any conditions.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 consistently 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 deep 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.
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