What's the difference of the flange connection mode ?

　　That is to say, two pipes, pipe fittings or equipment are fixed on a flange plate respectively, and the flange gasket is added between the two flange plates, which is fastened together with bolts to complete the connection.

　　Forged Flange Duplex Stainless Steel Socket Welding Flange is the connection of orifice plate (the measurement part of orifice plate flowmeter) to the pipeline by orifice plate flowmeter, and the two flanges fix the orifice plate in the middle. Through the pressure tapping point on the flange, it is led to the differential pressure transmitter to measure the flow.