What should be pay attention to when buying sanitary butterfly valve.

Many buyers in the purchase of sanitary butterfly valve, often because they do not understand the product, so the value of the wrong, and other problems.The following issues need to be noted when selecting a sanitary class butterfly valve.

In the case that does not have strong acid, also want at least 301 sanitation class butterfly valve material is qualitative, but the nature that pursues profit businessman, and material cost occupied the very big part that makes cost, so a lot of boss hit the idea that cut corners.So, this point to buy home special attention.

Now many factories in the butterfly valve of 304 material is qualitative the cursor outside, there are quite a part of the handle and the funnel, valve plate is made of 201 material is qualitative, such a butterfly valve materials can be little more than 10 pieces, equivalent to earn more than 10 pieces each butterfly valve, and now the market price competition is intense, when someone rob can cut down the price to directly, so why not?So this part of the product has the market, 201 material is also stainless steel, can also reach the standard of edible grade, but not to a year's time, valve plate, handle, funnel will be embroidered ah, when this part of the people will not accept oh.