
When you hear aboutsolenoid valve 2 inch dc24v, the first thing that comes to mind is a regular electromagnetic water shutter. But in practice, the difference between 'just a valve' and something that actually works in automation systems likeShandong Linyao Intelligent Agriculture Technology Co.,Ltd, colossal. Many people think that the main thing is the 24V voltage and nominal diameter, but in reality problems begin with coils that burn during voltage surges, or with membranes that cannot withstand fertilizers in irrigation systems.
In our projects, for example for drip irrigation of large areas,2 inches- this is not a random choice. A smaller diameter cannot cope with the flow rate, a larger one is redundant and expensive. Adc24v- this is the golden mean between safety and availability of power sources. I remember how at one of the facilities in the Krasnodar Territory they tried to replace it with 220V - they had to redo the entire protection circuit, because dampness in the fields and high voltage are poorly compatible.
By the way,Shandong Lingyao Co.,LtdSmart irrigation systems often use exactly this configuration - 2 inches, 24V DC. Not because it is fashionable, but because it has been proven: there are fewer failures in aggressive environments, where there may be fertilizers and sand in the water.
But what’s important is that not all manufacturers indicate that their valves are designed to work with liquid fertilizers. We stepped on this rake at one time: after six months the membranes corroded, we had to urgently change the batch to specialized models. Now we always look at the membrane material - EPDM or at least NBR.
The most common mistake is incorrect polarity. It would seemdc24v- this is direct current, but no, some 'specialists' manage to connect the coil in reverse. The valve may not burn out immediately, but it will heat up and eventually fail. We checked it on a test bench - when the polarity is reversed, the current consumption increases by 15-20%, and this is already a risk.
Another point - they forget about the check valve in front of the solenoid. Especially in systems where water hammer is possible. We had a case on a project in the Rostov region: after a power outage, the pumps stopped, and then, upon startup, a pressure wave literally tore the membrane. Now we always install additional protection.
And yes, about cables - you can’t skimp on the cross-section. Forsolenoid valve 2 inch dc24von long lines (more than 50 meters) the voltage drop can be critical. We calculate it this way: if the coil current is 0.5A, then with a cross section of 0.75 mm2 and a length of 100 meters, the drop is already about 3V. And this is already on the verge of triggering.
In automated systems like those that designsShandong Linyao Intelligent Agriculture Agriculture Technology Co.,Ltd, solenoid valve 2 inch dc24vrarely works on its own. Typically this is part of a cascade where multiple valves are controlled via a controller. And here, not only the reliability of the valve itself is important, but also compatibility with the control system.
On the company websitelyzhihuinongye.ruThey can be seen integrating such valves into complete solutions ranging from filtration to fertilizer dosing. This is the right approach, because a valve that is not consistent with the overall logic of the system becomes a weak link.
From personal experience: in smart greenhouses it is better to use valves with a manual override. There are situations when the automation fails and the plants die without watering. In such cases, we install models with the possibility of manual opening - not all manufacturers provide this, but for agriculture it is a must-have.
They say that solenoid valves last forever. This is a myth. In reality, everything depends on the conditions. In clean water, yes, they can work for decades. But in agriculture, water is rarely clean. The smallest particles of sand, suspended fertilizers - all this wears out the membrane and core.
We generally recommend replacing the membrane every 2-3 seasons for heavily used systems. Coils last longer - 5-7 years, but only if there are no voltage drops. By the way,Shandong Lingyao Co.,LtdEquipment specifications always indicate recommended service intervals - this is a professional approach.
Another nuance is temperature. Standard valves are designed for 0-40°C, but in the southern regions of Russia the temperature in metal cabinets can reach 60°C. I somehow had to order special heat-resistant versions - the usual ones simply stuck in the heat.
When choosingsolenoid valve 2 inch dc24vpay attention to the type of connection - thread or flange. For stationary systems, a flange is more common, but if dismantling is possible, a thread is more convenient. We usually use a threaded connection with sealing tape - less maintenance problems.
Body material: brass or stainless steel? For most agricultural purposes, brass is sufficient, but if the water has a high chloride content (for example, after disinfection), stainless steel is better. More expensive, but more reliable.
And lastly, don’t skimp on quality. Chinese no-name valves for 2000 rubles can cost tens of times more at the first failure. It is better to buy from trusted suppliers, the same Chinese, but with a name - like equipment fromShandong Lingyao Co.,Ltd, which we have repeatedly tested in the field.