jktl valve,ball valve
HEBEI TONGLI AUTOMATIC CONTROL VALVE MANUFACTURING  CO.,TLD.

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How many connection of valve? Flange, thread, welding ?

1, flange connection valve

Full Welded steel differential pressure control valve,welded steel building heating entry apparatus(groupB)

Flange connection of the valve, its installation and removal are more convenient, such as: gate valve, globe valve, check valve and so on. But the flange connection is more bulky than the threaded connection, and the price is also high, so it is suitable for all kinds of path and pressure pipe connections.

2, threaded connection valve

Full Welded steel differential pressure control valve,welded steel building heating entry apparatus(groupB)
Threaded connection of the valve is mainly known through the 50mm below the valve. If the diameter is too large, it is very difficult to install and seal the connection. For example: brass ball valve, one pc ball valve,2 pcs ball valve and 3 pcs ball valve.

3, welding connection valve

Full Welded steel differential pressure control valve,welded steel building heating entry apparatus(groupB)
In the case of a larger diameter, the use of conditions of the engraved, the higher the temperature of the occasion, the valve body is often used for welding groove, at the same time, the welding seam has the original requirements, you must use the technical welder to complete this work. A nominal diameter of 50 mm or less of the welding valve usually has a welding socket to support the flat end of the pipeline. The use of low cost, eliminating the cost of the flange gasket. For example: steel welded ball valve.

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