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 - This pump is the beating heart of consistency and reliability, ensuring every facet of your operations flows with unparalleled efficiency and smoothness.;
HLPSV: Variable Displacement Pump - A symbol of flexibility and resourcefulness, this pump offers unmatched versatility to cater to the diverse requirements of any operation.;
(2) Connection Block Ports P & R Specifications - An epitome of precision and reliability, enabling steadfast and trustworthy operations::
2-G3/8; Engineered for exceptional compactness, this port ensures streamlined and seamless operational processes.
3-G1/2; Crafted for enduring robustness and reliability, providing a stalwart base to your system.;
4-G3/4; Designed for advanced connectivity, it offers superior control and enhanced system integration.;
5, 55-G1; Boasting a superior flow rate, this choice is tailored for high-demand applications, ensuring unwavering consistency.;
6-G1 1/4; Delivering unparalleled performance, this port is designed to excel and surmount operational challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary heights::
C,Standard Type - A dependable and trustworthy foundation, tailored precisely to your core operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees meticulous control precision, enhancing the overall efficiency of the system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving superior system performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering tailored pressure control solutions, perfectly suited for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing bespoke solutions for seamless integration into your unique operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and maximizing control:C - No magnetic ball valve; F - Normally open magnetic ball valve, maintaining pump pressurization when activated, and unloading when deactivated; D - Normally closed magnetic ball valve, ensuring pump unloading when activated, and pressurizing when deactivated;D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure (F50) that features a precise specified pressure value, this component is designed to enhance operational safety. It delivers superior protection, ensuring that every mining operation is conducted with maximum security in mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This valve offers an impressive range of adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. It stands as a paragon of versatility and accuracy, catering to diverse hydraulic needs. For users seeking simplicity, /NF indicates no pressure limiting valve, exclusively for HLPSV, ensuring optimal pressure management across a broad spectrum of scenarios, making it an essential feature for hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is exquisitely crafted to match specific applications, guaranteeing that you obtain a product that caters precisely to your unique needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; This includes ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, all engineered for flawless integration and performance.
(9)Directional valve block inflow controller options: Choose from a selection of precision-engineered controllers: 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 crafted to ensure precision and operational efficiency.
(10) Valve core function symbols: Discover a wide-ranging selection of core functions, each meticulously engineered to meet specific functional demands: L, M, F, H, J, B, R, O, N.
(11) Output flow code for ports A & B: Optimize performance with a spectrum of maximum output flows available: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each tailored for heightened efficiency.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, individual pressure limitation for ports A & B, all measured in bar, ensuring comprehensive 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, all designed for precision control and reliability.
(14) Operation modes: A variety of operational modes are available: A(1,2), manual operation with a choice of 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), integrated electric switching value control and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control aligning pilot oil ports with oil ports A and B; F, pure hydraulic control with transverse pilot oil ports, each mode designed for comprehensive and precise control.
(15) Ancillary block port sizes: Available in versatile dimensions: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability and integration.
(16) End plate options: Discover our tailored end plate selections designed to meet your specific needs: E1 - Standard, featuring an external discharge of pilot oil and a convenient external oil return control port T; E2 - Similar to E1, but enhanced with an additional port Y for versatile operations; E3 - Equipped with a 2-position 3-way magnetic ball valve, expertly designed to elevate system pressure to safety valve levels during power supply activation.
E4 - Sharing similarities with E1, but uniquely engineered for internal discharge of pilot oil, expertly sealing port T; E5 - Mirroring E2, yet featuring internal discharge; E6 - Paralleling E3, each option ensuring advanced discharge control for sophisticated system management.
(17) Control voltage and anti-explosion type cable options: Choose from a range of specifications like G12-12VDC, designed to ensure paramount safety and seamless compatibility with even the most specialized applications.G24 - A robust option catering to demanding environments.- Indicating flexible configuration possibilities.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Explore our varied selection to find the perfect fit for your operational needs.12 - Engineered for precision and reliability.bb621436 - A testament to cutting-edge innovation.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence within the hydraulic industry. 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 shines through 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 highlights our unwavering commitment to technological advancement and superior quality. This relentless dedication firmly positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable 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 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 typically spans about one month after we receive payment. During this time, we focus on meticulous preparation and enforce strict quality control measures. This ensures that every product we deliver to you is in impeccable condition. Your satisfaction with our flawless and timely delivery is our utmost priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: Indeed, we offer a remarkably low minimum order quantity, providing you with the flexibility to order as little as a single piece for sample verification. This approach means you can embark on your project with ease and accuracy, meeting your specific requirements effortlessly.
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Question:4. Is it OK to print my logo on the product?
Answer: Certainly, this is absolutely feasible. 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 displayed with the utmost precision and quality, perfectly reflecting your unique identity.
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