Introducing our extraordinary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These cutting-edge engineering marvels embody the essence of hydraulic innovation, flawlessly merging pressure, flow, and directional control into a singular, harmonious masterpiece. This integration guarantees unparalleled performance and reliability in every conceivable application. Comprising three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. They offer precise governance over the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Standout features include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate concurrently under varying loads, delivering unparalleled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every scenario. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering outstanding energy-saving performance, solidifying their status as the ultimate choice for applications where efficiency is of utmost importance. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, 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 powerhouse of stability, ensuring your operations glide seamlessly and with unwavering efficiency.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability and versatility, engineered to meet and exceed diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Precision marries reliability, fostering operations you can trust::
2-G3/8; Crafted for compact efficiency, streamlining operations for seamless and fluid workflows.
3-G1/2; Engineered for robustness, providing a steadfast foundation for your operational needs.;
4-G3/4; Promoting advanced connectivity, enhancing control, and elevating system integration.;
5, 55-G1; Ideal for high-demand scenarios, delivering superior flow rates and performance.;
6-G1 1/4; Pinnacle of performance, crafted to excel in challenging conditions.;
(3) Additional Components and Specifications - Elevating lifting system capabilities::
C,Standard Type - The reliable foundation tailored to meet your operational essentials with precision.;
G,Throttle Valve (For HLPSL only) - Precision control ensuring enhanced system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, paving the way to superior performance.;
(4) Pilot Oil Circuit Pressure Options - Custom-tailored pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Customizable solutions seamlessly meeting specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and empowering control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading when unpowered; D - Normally closed magnetic ball valve, unloading when powered, pressurizing when unpowered;D/F - Incorporates a meticulously engineered pressure limiting valve designed for secondary pressure (F50) with a precise pressure value. This cutting-edge feature amplifies safety, providing robust measures that ensure secure and efficient operations, safeguarding your valuable assets.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This ingeniously adjustable component offers pressure settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. It symbolizes the pinnacle of versatility and precision. For those who prefer simplicity, /NF denotes the absence of a pressure limiting valve, specifically crafted for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it an indispensable asset for your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each meticulously tailored series meets 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; This also includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly crafted for seamless integration into your systems.
(9)Directional valve block inflow controller options: Choose from an array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 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 engineered for precision and efficiency.
(10) Valve core function symbols: Delve into a comprehensive suite of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet unique functional requirements with unparalleled precision.
(11) Output flow code for ports A & B: Optimize your operations with the available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for peak performance and efficiency.
(12) Secondary pressure limitation options: Select your preferred level of protection: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B. All options are measured in bar, guaranteeing robust system safety.
(13) Function ON/OFF and pressure outlet options: Explore customizable 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 designed for precision and optimized control.
(14) Operation modes: Discover a spectrum of operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synergy of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a blend of electric switching value control and manual operation; M, manual friction positioning with a long 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, each mode crafted for comprehensive and superior control.
(15) Ancillary block port sizes: Choose from a versatile range: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered to ensure seamless adaptability and integration into your existing systems.
(16) End plate options: Explore our customizable end plate selections designed to meet your specific needs. Choose from: E1, the standard option, featuring external discharge of pilot oil and an external oil return control port T; E2, similar to E1, but enhanced with an additional port Y; E3, integrated with a sophisticated 2-position 3-way magnetic ball valve, which elevates the system pressure to safety valve levels when power is supplied, ensuring reliable safety.
E4, akin to E1 but refined with internal discharge of pilot oil, and a sealed port T; E5, mirroring E2, with internal discharge for enhanced performance; E6, paralleling E3, each offering advanced discharge control systems to cater to your most discerning requirements.
(17) Control voltage and the length of anti-explosion type cable options: Customize your control systems with our wide range of selection options such as G12-12VDC, ensuring impeccable safety and seamless compatibility for your specialized applications.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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