Six Tips To Identify Refurbished Valves
Nowadays, the valve market is a mixture of fish and dragons. In order to make huge profits, illegal traders fake and renovate valves to replace inferior ones, which brings great safety risks to the installation engineering. Therefore, it is necessary to introduce the inspection of reconditioned valves. At present, the main means of valve fraud in the dealers of valve market are as follows:
1. Use iron and carbon steel to make valves and repair waste valves to make them better.
2. The valve products of local small factories shall be marked with the registered trademark of large brand manufacturers, so as to make a false one.
3. Fake the users, dealers and agents of famous factories to sell dog meat with sheep's head.
4. Make steel seal, type ordinary valve into class D valve, and make huge profits.
Valve renovation is very harmful, not only to disturb the market order, but also to the construction quality, which will cause great potential hazards to the society. We only know that its fake means is not enough, and we must polish our eyes. No matter how cunning a fox is, it can't beat a good hunter. Let me tell you how to identify the refurbished valve.
1. According to the color, the color of the refurbished valve is quite different from that of the genuine product. Most of these low-cost materials are white in appearance, which is quite different from the green color of the valve steel.
2. Look at the steel seal. The genuine valve steel seal is embossed before the valve has been overheated, using professional steel seal technology, so the font is clear. The font of refurbished valve is uneven and confused.
3. Look at the oil stains. In order to achieve the purpose of rust prevention, the fake refurbished valve will add thick oil stains on the valve surface, which will reduce the smoothness of the valve body itself.
5. Look at the ram. Generally, the refurbished valve ram has been polished and rusted.
6. Remove the upper nut and identification plate of the valve rod, and check the material of the lock nut inside. The authentic material is brass, otherwise it is a fake.
