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How to Choose the Stem of Cast Steel Gate Valves
Release time:2023-05-29 
The common gate valve stem is prone to accumulation of welding slag, stones, mud and other debris, which is not conducive to sealing and flow surface. Moreover, some manufacturers' elastic seat sealed gate valves adopt a flat bottom full basin straight through design

Cast steel gate valves have a spare part called a valve stem. How should this valve stem be selected? What are the precautions?

The common gate valve stem is prone to accumulation of welding slag, stones, mud and other debris, which is not conducive to sealing and flow surface. Moreover, some manufacturers' elastic seat sealed gate valves adopt a flat bottom full basin straight through design, which is not easy to accumulate debris, ensuring reliable sealing and allowing fluid to flow unobstructed.

In fact, it is the valve stem that we often buy from the valve accessories market. The standard is better and can be produced in batches. There is a reference standard for basic data and dimensions. If it is non-standard, it needs to be customized separately. Another important thing is that the valve stem of cast steel gate valves also has different materials. This small accessory has now been used as a "hands-on" place by many manufacturers, in order to maximize their own interests, Or to win over a customer and lower the price, the usual approach is to make 304 valves, but the valve stem is 321 or worse. Buyers rarely pay attention to this small accessory, which leads to many honest bosses who can't figure out why it costs 28 yuan to make a 304 valve, but some manufacturers only sell it for 26 yuan. If it doesn't have a significant impact, it's okay. These are also small sales techniques, but I still hope not to disrupt the entire valve sales market.


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