Bellows Seal Valve
Bellows Seal Valve
Product Overview
In a maintenance aspect, it is true that this type of valve is accounted less than any other type, but the valve have some important advantages as follows:
1.Useful life is ensured.
2.There is a grease nipple on all bellows seal gate valve under current production to ensure correct lubrication over yoke bush.
The threads on stem in every kind of bellows seal valve should be kept clean if possible and lubricated periodically with high temperature grease.
It is recommended the preventive maintenance should be carried out at least every three months.
The maintenance has a particular importance when the valve is employed to high temperature application in case it is essential to use a grease of high temperature type.
At this time, it is desirable that the valve is operated from open to shut, and vice versa.
