Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, masterfully merging pressure, flow, and directional control into a cohesive, harmonious masterpiece. This ensures extraordinary performance and unwavering reliability across all applications. Usually composed of three fundamental functional modules - connecting blocks, directional valves, and end plates - these valves are intricately designed for seamless integration into premier hydraulic systems, vital for high-caliber engineering machinery. They adeptly regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, outstanding energy efficiency, and the capability for seamless speed control. Furthermore, they enable multiple actuators to operate concurrently under diverse loads, delivering unmatched performance and adaptability for any application.
The HLPSL valves are expertly customized for constant displacement pump systems, ensuring steadfast and reliable operation in every environment. Conversely, the HLPSV valves are masterfully designed for variable pump systems. While HLPSV valves may demonstrate a slightly slower response time, they excel in delivering remarkable energy-saving performance, making them the ideal choice for applications where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves distinguish themselves as the premier solution for sophisticated hydraulic control needs, offering an exquisite 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 bedrock of reliability, this pump guarantees unrelenting performance, ensuring operations flow seamlessly and efficiently at all times.;
HLPSV: Variable Displacement Pump - A testament to adaptability and flexibility, this pump offers comprehensive versatility to cater to a wide spectrum of operational requirements.;
(2) Connection Block Ports P & R Specifications - Where flawless precision meets unwavering reliability, ensuring dependable operations::
2-G3/8; Meticulously crafted for compact efficiency, adeptly handling streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and steadfast reliability, forming a sturdy backbone for your system.;
4-G3/4; Delivering advanced connectivity, this option offers superior control and elevates system integration to new standards.;
5, 55-G1; Boasting an exceptional flow rate, this choice is ideal for high-demand applications, assuring unwavering performance.;
6-G1 1/4; Providing unmatched performance, expertly crafted to excel in demanding environments and conquer challenges effortlessly.;
(3) Additional Components and Specifications - Elevating lifting systems to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, meticulously tailored to address your fundamental operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control, enhancing the overall efficiency of the system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering personalized pressure control solutions tailored to diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions that seamlessly align with your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Refines efficiency and enhances 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 sophisticated pressure limiting valve for secondary pressure (F50), featuring a precise, predetermined pressure value. This state-of-the-art mechanism ensures enhanced safety protocols, providing an impenetrable shield for your operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This innovative component offers adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels, embodying the essence of versatility and precision. If simplicity is your preference, /NF denotes no pressure limiting valve, crafted specifically for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it an essential asset for your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is precisely engineered and meticulously tailored to meet your every application need, ensuring you receive a product that aligns perfectly 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; complemented by ancillary blocks or the seamless intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, crafted for flawless integration.
(9)Directional valve block inflow controller options: Choose from an array of precision options: 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, reinforced inflow controller; 8, pre-selectable options, each crafted to ensure optimal precision and efficiency.
(10) Valve core function symbols: Delve into an extensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to cater to unique functional requirements, ensuring unparalleled performance.
(11) Output flow code for ports A & B: Elevate efficiency with our range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for peak 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 measured in bar, ensuring uncompromising system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your selection with options including: 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 engineered for precision control.
(14) Operation modes: Explore diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), merging electric switching value control with 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, designed for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability across various applications.
(16) End plate options: Discover a range of meticulously tailored end plate configurations for enhanced performance. Options include: E1, a standard choice equipped with external discharge of pilot oil and an external oil return control port T; E2, similar to E1, featuring an additional port Y for increased flexibility; E3, equipped with a 2-position 3-way magnetic ball valve, designed to elevate the system pressure to safety valve levels during power supply operations, ensuring superior safety and precision.
E4, mirroring E1 in design yet with an internal discharge of pilot oil to a sealed port T, ensuring an integrated approach to oil management; E5, akin to E2, also features internal discharge for streamlined functionality; E6, echoing E3, each variant guaranteeing sophisticated discharge control for optimal performance.
(17) Control voltage and anti-explosion type cable options: Select from a variety of meticulously engineered options such as G12-12VDC, which ensures both safety and seamless compatibility with specialized and demanding applications, providing peace of mind and operational efficiency.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 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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