Presenting the revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, setting a new standard in hydraulic excellence. These engineering marvels seamlessly integrate pressure, flow, and directional control into a singular, harmonious masterpiece, ensuring unmatched performance and reliability in every scenario. Expertly crafted with three essential functional modules - connecting blocks, directional valves, and end plates - these valves are designed for seamless integration into high-end hydraulic systems vital for elite engineering machinery. They meticulously regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precision and control like never before. Key features include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate simultaneously under varying loads, offering unrivaled performance and versatility for diverse applications.
Crafted for excellence, the HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously developed for variable pump systems, slightly slower in response, yet excelling in exceptional energy-saving performance. They are the quintessential choice for efficiency-centered applications. With their advanced engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated hydraulic control needs, offering an impeccable combination 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 pivotal element of stable and steadfast performance, ensuring your operations are seamless and consistently efficient.;
HLPSV: Variable Displacement Pump - A paragon of adaptability and versatility, offering flexibility to cater to diverse operational requirements with unmatched capability.;
(2) Connection Block Ports P & R Specifications - The epitome of precision and reliability, guaranteeing dependable operations::
2-G3/8; Crafted for compact efficiency, designed to streamline and ensure seamless operational workflows.
3-G1/2; Engineered for robustness and reliability, forming a solid cornerstone for your system.;
4-G3/4; Delivering advanced connectivity, offering superior control and enhanced system integration.;
5, 55-G1; With an exceptional flow rate, this option is ideal for high-demand scenarios, ensuring unwavering performance.;
6-G1 1/4; Providing unrivaled performance, designed to excel in challenging environments and surpass expectations.;
(3) Additional Components and Specifications - Elevating system capabilities to exceptional heights::
C,Standard Type - A reliable and trusted baseline, customized to meet your essential operational demands.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, enhancing system efficiency as a whole.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow regulation, driving superior performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Delivering customized pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions that seamlessly meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Optimizing efficiency and amplifying control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes when powered, unloads when unpowered; D - Normally closed magnetic ball valve, unloads when powered, pressurizes when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Ensuring advanced safety measures to secure seamless operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the ultimate in versatility and precision with adjustable settings ranging from 63 to 400 bar levels. This component serves as the epitome of adaptability in hydraulic applications. For those who seek simplicity, the /NF option, signifying no pressure limiting valve, is specially engineered for HLPSV. This feature guarantees optimal pressure regulation across diverse applications, making it an indispensable asset for your hydraulic system.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application, ensuring a bespoke solution 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; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless integration into your systems.
(9)Directional valve block inflow controller options: Expand your control capabilities with options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, perfect for N 3/3-way valves; 5, reinforced inflow controller; 8, pre-selectable options, each designed to deliver precision and efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each thoughtfully designed to meet unique functional demands.
(11) Output flow code for ports A & B: Achieve peak efficiency with maximum output flows offered: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, all tailored to optimize performance.
(12) Secondary pressure limitation options: Tailor your system's safety with choices like: N, without 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 robust system protection.
(13) Function ON/OFF and pressure outlet options: Explore 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 engineered for precise control.
(14) Operation modes: Embrace diverse 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), 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, crafted to offer 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 and integration.
(16) End plate options: Discover the versatility of our tailored end plate selections, each designed to elevate your hydraulic systems to new heights of performance. Choose from: E1, the standard bearer, offering external discharge of pilot oil and an external oil return control port T for seamless operation; E2, building on E1's excellence, adds an additional port Y for enhanced connectivity; E3, engineered with a 2-position 3-way magnetic ball valve, it raises system pressure to safety valve thresholds during power supply, providing unmatched reliability and protection.
E4, echoes E1's design but innovatively includes internal pilot oil discharge, sealing port T for extraordinary leak prevention; E5, shares E2's features while ensuring internal discharge for optimal control; E6, replicates E3's advancements, delivering precision discharge management with remarkable sophistication and efficiency.
(17) Control voltage and the length of anti-explosion type cable options: Tailor your system with our array of voltage choices, such as G12-12VDC, crafted to ensure safety while meeting the specific demands of specialized applications, offering unparalleled adaptability and peace of mind.G24 - A robust choice for reliable performance and seamless integration with your hydraulic systems.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - A comprehensive selection to meet all your operational needs with precision and safety.12 - Providing dependable power solutions with versatility and efficiency.bb621436 - The signature of excellence and reliability in hydraulic control systems.
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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