Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable 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. Conversely, 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 emerge as the premier solution for advanced hydraulic control requirements.
| 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 is the key to delivering unwavering, consistent and reliable performance.;
HLPSV: Variable Displacement Pump - Experience adaptability and flexibility at its finest.;
(2) Connection Block Ports P & R Specifications - Precision and trustworthiness in every detail::
2-G3/8; Compactness combined with efficiency to streamline operations.
3-G1/2; Robustness that ensures dependability.;
4-G3/4; Offers advanced connectivity for superior control.;
5, 55-G1; Provides a superior flow rate catering to high-demand applications.;
6-G1 1/4; Ensures unmatched performance on the field.;
(3) Additional Components and Specifications - Elevate your system capabilities with::
C,Standard Type - Your dependable baseline for all essential needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management enhances performance efficiently.;
(4) Pilot Oil Circuit Pressure Options - Customizable to adapt to various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions crafted to fit your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and seamless control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures implemented for secure operations.
(6) Tool Adjustable Pressure Limiting Valve: Achieve unparalleled pressure modulation with adjustable settings ranging from 63 to 400 bar, ensuring precision across diverse operational needs. Select /NF for operations without a pressure limiting valve (HLPSV only), guaranteeing exceptional pressure management tailored to your specific requirements.
(7) Product Series Classification - Identifying Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Expertly engineered to meet and exceed expectations in every application.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Elevate your control systems with A, ancillary block, or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve.
(9)Directional valve block inflow controllers: Choose from 1, without inflow controller, to 8, pre-selectable, including standard and strengthened options. Enhanced flexibility with 3-way flow controllers, perfect for N 3/3-way valve configurations.
(10) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N;
(11) Maximum Output Flow for Ports A & B: Tailor your output with flows reaching up to 210 L/min for optimal performance.
(12) Secondary Pressure Limitation Choices: Select N for no pressure protections, or C for simultaneous limits on A & B ports. Also available, A---B--- for separate pressure management at actuator ports, measured in bar.
(13) ON/OFF Functionality & Pressure Outlet Choices: N, standard without function ON/OFF and pressure outlet; customize with X C type or S/S1 AB type pressure limits, or opt for electrical ON/OFF on either side A or B.
(14) Diverse Operation Modes: Embrace versatility with modes from manual long handle operation to sophisticated electric proportional control. Manual and electric hybrid options available, perfect for tailored operation schemes. Explore pure hydraulic control aligning perfectly with pilot oil ports.
(15) Ancillary Block Port Dimensions: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) Premium End Plate Options: Customize with E1 for standard external discharge, or E3 for magnetic ball valve integration. Internal discharge variations feature ports T and Y sealing capabilities, adapting seamlessly to specific system safety requirements.
E4, E5, E6: Internal discharge variants of E1, E2, and E3 with sealing ability for port T, engineered for adaptability and safety.
(17) Control Voltage & Anti-Explosion Cable Length Options: Select G12 for 12VDC configurations, ensuring robust and safe electrical management.G24-Offering an array of versatile options, including 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.
Frequently Asked Question:1. What about the lead time?
Precise Answer:Our production lead time is typically around one month after receiving payment. This timeframe is crucial for us to execute meticulous preparations and uphold stringent quality control standards. Every detail is meticulously managed to ensure your products are delivered flawlessly and on time.
Frequently Asked Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer incredibly flexible ordering terms with an exceptionally low minimum order quantity. You can order even a single piece for sample verification. This flexibility ensures your diverse requirements are catered to perfectly, facilitating a seamless start to your projects.
Frequently Asked Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or specific applications with us. We will then provide you with a customized quote tailored to your needs or our professional recommendations. Upon confirmation of the drawings and placement of a deposit, your order will be formalized and production will commence. Every specification will be met with precision, ensuring a seamless and personalized solution.drawings,and place a deposit to formalize the order. Finally, production will be arranged, ensuring every specification is flawlessly met, delivering a seamless and tailored solution.
Frequently Asked Question:4. Is it OK to print my logo on the product?
Answer: Certainly, it's entirely possible. Just inform us formally prior to production and confirm the design based on the sample we provide. This ensures that your branding is showcased with the highest precision and quality.
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