Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This ensures unparalleled performance and reliability in every application. 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, exceptional energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, providing 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. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in 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 fundamental pillar of unwavering performance, HLPSL ensures that your operations remain smooth and uninterrupted, embodying the essence of reliability and efficiency.;
HLPSV: Variable Displacement Pump - A paradigm of adaptability and versatility, HLPSV offers the flexibility needed to meet a wide spectrum of operational requirements with unparalleled precision.;
(2) Connection Block Ports P & R Specifications - Crafted with precision, these specifications ensure reliable operations by blending meticulous detail with robust dependability::
2-G3/8; Engineered for compact efficiency, this port supports streamlined operations that are both seamless and effective.
3-G1/2; Built for strength and reliability, this port provides a solid and dependable foundation for your entire system.;
4-G3/4; This port offers advanced connectivity, delivering superior control and enhanced integration across your system.;
5, 55-G1; With an exceptional flow rate, this option is perfectly suited for high-demand applications, ensuring consistent and optimal performance.;
6-G1 1/4; Offering unmatched performance, this port is engineered to excel in challenging environments and overcome operational obstacles.;
(3) Additional Components and Specifications - Elevate your lifting system capabilities to new heights with components designed for excellence and precision::
C,Standard Type - This reliable and trustworthy baseline is precisely tailored to fulfill your essential operational demands with confidence.;
G,Throttle Valve (For HLPSL only) - Ensures meticulous control and precision, enhancing your system's overall operational efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior system performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions, these options are tailored for diverse application needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option provides a seamless solution to specifically meet your operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control, this component streamlines operations with precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, and efficiently unloads it when unpowered; D - Normally closed magnetic ball valve, effectively unloads the pump when powered, and pressurizes it when unpowered;D/F - This sophisticated system is equipped with a pressure limiting valve for secondary pressure (F50) that boasts a specified pressure value. It provides cutting-edge safety measures to ensure your operations remain secure, making it a paramount choice for safety-conscious projects.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component epitomizes versatility and precision. For those who prefer simplicity, /NF indicates no pressure limiting valve, specifically crafted for HLPSV, ensuring optimal pressure control across diverse scenarios, making it an essential asset for your hydraulic applications.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously engineered to meet every application, ensuring that you receive a product precisely aligned 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, engineered for seamless integration and superior performance.
(9)Directional valve block inflow controller options: Choose from: 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 unparalleled precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive range of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to meet your unique functional requirements with precision.
(11) Output flow code for ports A & B: Maximize operational efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for peak performance in your applications.
(12) Secondary pressure limitation options: Select from: 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 robust and reliable system safety.
(13) Function ON/OFF and pressure outlet options: Personalize your control with options like: 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 effective control.
(14) Operation modes: Explore diverse operation modes such as: 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), combined electric switching value control and manual operation; M, manual friction positioning with an extended 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, all crafted for comprehensive and precise control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, engineered for seamless adaptability and integration.
(16) End Plate Options: Discover our tailored end plate selections, designed to cater to your specific needs. Choose from: E1 - our standard model with external discharge for pilot oil and an external oil return control port T; E2 - building on the features of E1 with the addition of port Y for enhanced functionality; E3 - featuring a 2-position, 3-way magnetic ball valve that elevates system pressure to safety valve levels when power is supplied, ensuring optimal performance and safety.
E4 - a variant of E1, engineered with internal discharge for pilot oil, sealing port T for secure operations; E5 - mirroring E2 but with internal discharge for superior control; E6 - paralleling E3, each model is crafted to ensure advanced discharge control with precision.
(17) Control Voltage and Cable Length for Anti-Explosion Types: Choose from our specialized options like G12-12VDC, carefully designed to ensure safety and compatibility with your unique applications, providing peace of mind and reliability.G24 - Providing robust and reliable control, suitable for diverse environments and needs.- This symbol marks the versatility and adaptability of our product line, ensuring seamless integration with various systems.24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Our diverse range of options ensures that you find the perfect match for your requirements, each designed for optimal efficiency and safety.12 - A vital component in our customizable offerings, providing flexibility and adaptability across applications.bb621436 - Unique identifier ensuring the integrity and traceability of our high-quality products.
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 typical lead time for production stands at approximately one month, following the receipt of your payment. During this time, we meticulously engage in comprehensive preparations and enforce rigorous quality control measures. Our devotion to excellence ensures that every product arrives at your doorstep in pristine condition, as your utmost satisfaction with our flawless delivery is our paramount goal.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an exceptionally low minimum order quantity, providing you the ultimate flexibility to order as little as a single piece for sample verification. This customer-centric approach empowers you to initiate your projects effortlessly, with precision, perfectly catering to your distinctive needs without any complications.
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Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is not only possible but encouraged. Kindly inform us formally before production begins and confirm the design based on the sample we provide. This process ensures that your branding is showcased with impeccable precision and exceptional quality, perfectly reflecting your identity.
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