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 cornerstone of steady and unyielding performance, ensuring operations flow seamlessly and efficiently.;
HLPSV: Variable Displacement Pump - Embodying versatility and resilience, providing exceptional adaptability to meet a wide range of operational demands.;
(2) Connection Block Ports P & R Specifications - Where precision aligns with reliability, ensuring trustworthy and consistent operations::
2-G3/8; Engineered for compact efficiency, optimizing streamlined and seamless operational flows.
3-G1/2; Constructed for robust dependability, serving as the bedrock of your system's structure.;
4-G3/4; Facilitating advanced connectivity, providing superior control and enhanced system integration.;
5, 55-G1; Boasting superior flow rates, this choice is ideal for high-demand applications, guaranteeing unwavering performance.;
6-G1 1/4; Delivering unmatched performance, expertly crafted to excel in demanding environments.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A steadfast and reliable baseline, tailored to address your core operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Optimal Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, elevating performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering tailored solutions to seamlessly meet your unique 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, 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) featuring a specified pressure value; Offering advanced safety measures to ensure secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Designed to perfection with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar, this component exemplifies versatility and precision. For those seeking simplicity, opt for /NF which denotes no pressure limiting valve, particularly tailored for HLPSV, guaranteeing excellent pressure control across various applications, making it crucial for your hydraulic system.
(7) Product Series Classification - Where Excellence Meets Innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is thoughtfully crafted to cater to every application, ensuring you receive a product that meets your exact specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, engineered for seamless integration.
(9)Directional valve block inflow controller options: Available choices include: 1, without inflow controller; 2, standard inflow controller; 4, an 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 ensuring precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each carefully designed to meet specific functional needs.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, precisely engineered for optimal performance.
(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 calibrated in bar, ensuring robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable choices include: 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, designed for precision control.
(14) Operation modes: Diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a sophisticated blend 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 (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, ingeniously designed for seamless adaptability.
(16) End plate options: Discover our tailored end plate choices, including: E1, the standard model, featuring an external discharge for pilot oil and an external oil return control port, denoted as T. E2 maintains the excellence of E1 with the addition of port Y for enhanced functionality. E3 is a superior option that includes a 2-position 3-way magnetic ball valve, designed to elevate system pressure to safety valve levels during power supply, ensuring heightened safety measures.
E4, mirrors E1's reliability but boasts an internal discharge of pilot oil, effectively sealing port T. E5, with similar characteristics to E2, incorporates an internal discharge system for optimized performance. E6, paralleling E3, guarantees sophisticated discharge control, enhancing overall system efficiency and safety.
(17) Control voltage and anti-explosion cable length options: Select from our robust offerings, such as G12-12VDC, which ensures unparalleled safety and seamless compatibility with specialized applications, providing peace of mind in demanding environments.G24, an option that meets rigorous standards for reliable performance.-24VDC; explore the versatile G24Ex-3m-24VDC for safety in explosion-prone areas; the G12Ex-3m-12VDC for 12VDC applications, and the G24MA-3m-24VDC for extended 3m applications, catering to diverse operational needs.12, offering dependable performance across various applications.bb621436
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.
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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.
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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.
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