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 foundation of reliability, providing steadfast performance for smooth and efficient operations.;
HLPSV: Variable Displacement Pump - The hallmark of flexibility and adaptability, delivering exceptional versatility for a multitude of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision-engineered for reliable operations, ensuring trust and dependability::
2-G3/8; Optimized for compact efficiency, enabling seamless and streamlined operational flows.
3-G1/2; Engineered for robustness and reliability, laying a strong foundation for your system.;
4-G3/4; Designed for advanced connectivity, ensuring superior control and system integration.;
5, 55-G1; Perfect for high-demand applications, delivering a superior flow rate for consistent performance.;
6-G1 1/4; Offers unmatched performance, excelling in the field to overcome various challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A dependable and reliable baseline, tailored to meet essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, boosting superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customized 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 for seamless operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered;D/F - Includes a pressure limiting valve for secondary pressure (F50) with specified pressure value; Providing advanced safety measures to secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who value simplicity, the /NF option means no pressure limiting valve, tailored for HLPSV. This essential feature ensures optimal pressure control in diverse scenarios, making it an irreplaceable component for all your hydraulic system requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to meet every application, guaranteeing that you receive a product that aligns perfectly with your specifications and exceeds expectations.
(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 intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, seamlessly engineered for integration.
(9)Directional valve block inflow controller options: Choose the perfect fit from: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, ideal for N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring unparalleled precision and efficiency.
(10) Valve core function symbols: Discover an extensive array of core functions: L, M, F, H, J, B, R, O, N, each expertly crafted to fulfill unique functional requirements with precision and reliability.
(11) Output flow code for ports A & B: Optimize efficiency with maximum output flows ranging from 3 to 210 L/min, customized for peak performance and resourceful operation.
(12) Secondary pressure limitation options: Select your ideal safety measure: 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 exceptional system safety and reliability.
(13) Function ON/OFF and pressure outlet options: Tailor your control 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 designed for precise and responsive control.
(14) Operation modes: Explore a diverse selection of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a combination 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 with alignment of pilot oil ports to oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, meticulously crafted for comprehensive and adaptable control.
(15) Ancillary block port sizes: Choose from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, designed to deliver seamless adaptability and integration for any requirement.
(16) End plate options: Discover our bespoke end plate selections designed for flexibility and precision: E1, the standard choice, comes with an external discharge of pilot oil and an external oil return control port T; E2, mirroring E1 but with an added port Y for enhanced connectivity; E3, featuring a 2-position 3-way magnetic ball valve, ingeniously boosts system pressure to safety valve levels during power supply, ensuring optimum performance.
E4, crafted similarly to E1 but with an internal discharge of pilot oil, includes sealing port T to ensure no leaks; E5, echoing E2's design, also features internal discharge for streamlined operations; E6, akin to E3, each meticulously engineered to guarantee sophisticated discharge control for your system's reliability.
(17) Control voltage and the length of anti-explosion type cable options: Choose from our robust selection like G12-12VDC, providing unparalleled safety and compatibility suited for specialized applications, ensuring your equipment operates seamlessly.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.
Common Inquiries: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 meticulous preparation and implement rigorous quality control measures to ensure that every product reaches you in immaculate condition. Your complete satisfaction with our flawless delivery is our utmost priority.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an impressively low minimum order quantity, granting you the flexibility to order even a single piece for sample verification. This flexibility empowers you to initiate your projects with ease and precision, catering to your unique requirements effortlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by sharing your detailed requirements or intended applications with us. We will craft a personalized quote tailored specifically for you, based on your needs or through our expert guidance. 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 flawlessly for a seamless and tailored solution.
Query:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly possible. Please ensure to inform us formally before production begins and confirm the design based on the sample we provide. This process guarantees that your branding is showcased with the utmost precision and superior quality, perfectly reflecting your identity.
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