Discover the epitome of hydraulic innovation with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These marvels of engineering symbolize the zenith of hydraulic advancements, flawlessly merging the critical elements of pressure, flow, and directional control into one cohesive and harmonious unit. This fusion ensures unmatched performance and dependability across a multitude of applications. Typically, these valves are composed of three integral functional modules - connecting blocks, directional valves, and end plates - each meticulously designed for smooth integration into elite hydraulic systems, indispensable for high-caliber engineering machinery. They precisely dictate the movement direction and speed of hydraulic cylinders, motors, and diverse actuators, delivering precision and control that is second to none. The standout features include a compact design, remarkable energy efficiency, and the ability for seamless, stepless speed control. Furthermore, they empower multiple actuators to function concurrently under varying loads, offering exceptional performance and adaptability for any application.
The HLPSL valves are precisely crafted for constant displacement pump systems, ensuring rock-solid and reliable operation in every context. Conversely, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may have a marginally slower response, they excel in providing outstanding energy-saving performance, making them the superior choice in applications where efficiency is of utmost importance. With their pioneering engineering and energy-conscious design, HLPSV valves emerge as the top-tier solution for sophisticated hydraulic control exigencies, offering an impeccable blend of precision, reliability, and energy conservation.
| 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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Precision and reliability unite to guarantee dependable operations::
2-G3/8; Expertly crafted for compact efficiency, it caters to streamlined and seamless operational flows with grace.
3-G1/2; Engineered for robustness and dependability, providing a solid foundation for your system's enduring success.;
4-G3/4; Offering advanced connectivity, it delivers superior control and enhanced system integration.;
5, 55-G1; With an outstanding flow rate, this option is perfect for high-demand applications, ensuring consistent performance.;
6-G1 1/4; Providing unmatched performance, designed to excel in the field and overcome the toughest challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A reliable and trustworthy baseline, tailored seamlessly to your core operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision in control, thereby enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, driving superior performance and exceptional dependability.;
(4) Pilot Oil Circuit Pressure Options - Providing customized pressure control solutions tailored for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Ensuring tailored solutions meet your specific operational needs smoothly and efficiently.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency while 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 state-of-the-art pressure limiting valve for secondary pressure (F50), this component is characterized by a specified pressure value, ensuring unparalleled safety and reliability in your operations. Take advantage of its advanced safety measures to secure and enhance the efficiency of your systems.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This remarkable valve offers adjustable settings across 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the epitome of versatility and precision. For those valuing simplicity, /NF represents no pressure limiting valve, crafted specifically for HLPSV. This feature guarantees optimal pressure management across diverse scenarios, making it an indispensable asset for all your hydraulic requirements.
(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 that you receive a product perfectly 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, designed for seamless integration and maximum performance.
(9)Directional valve block inflow controller options: Choose from a selection of: 1, without inflow controller; 2, standard inflow controller; 4, a sophisticated 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 to deliver unmatched precision and efficiency.
(10) Valve core function symbols: Delve into a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each intricately designed to meet unique functional requirements with excellence.
(11) Output flow code for ports A & B: Enhance efficiency with the available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored to ensure peak performance.
(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 safety for your systems.
(13) Function ON/OFF and pressure outlet options: Customizable options 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, each engineered for precision and control.
(14) Operation modes: Explore diverse operation modes including: 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 combination of electric switching and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (aligns pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive 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 exclusively tailored end plate choices designed to meet your precise 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, enhanced with an additional port Y for amplified functionality; E3, equipped with a 2-position 3-way magnetic ball valve, elevating system pressure to optimal safety valve levels during power supply, ensuring robust performance.
E4, a refined version of E1, features internal discharge of pilot oil with a sealed port T; E5 mirrors E2, with sophisticated internal discharge mechanisms; E6, akin to E3, each variant meticulously crafted to guarantee advanced discharge control for superior operational excellence.
(17) Control voltage and anti-explosion type cable options: Choose from our precise control voltage options like G12-12VDC, to ensure maximum safety and perfect compatibility with your specialized applications, providing peace of mind and impeccable performance.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.
Inquiry:1. What about the lead time?
Response:Our production lead time is typically around one month post-payment. During this phase, we conduct meticulous preparations and enforce rigorous quality controls to ensure each product reaches you in impeccable condition. Achieving your satisfaction with our flawless delivery is our utmost commitment.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We provide an exceptionally low minimum order quantity, granting you the flexibility to order just a single piece for sample validation. This versatility empowers you to initiate projects with ease and accuracy, aligning with your specific needs effortlessly.
Inquiry:3. How to proceed with an order for LED lights?
Response: Start by sharing your comprehensive requirements or desired applications with us. We will craft a quote tailored specifically to your needs, or offer expert guidance. After confirming the drawings and placing a deposit, the order is finalized and production begins. We assure adherence to every specification with precision, providing you with a seamless and personalized 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.
Inquiry:4. Is it OK to print my logo on the product?
Response: Certainly, this is absolutely feasible. Please formally notify us before production and confirm the design based on the sample we provide. This ensures your branding is presented with utmost precision and exceptional quality, perfectly embodying your identity.
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