Orifice Flange

Orifice Flange Definition:  

Orifice flange is used to measure the flow rate of the liquids in a piping system,it could be water,gas or other liquids.The orifice flanges are usually used with the orifice plates or meters in the pipe joints.

orifice-flange-with-jackscrew-drawing

orifice-flange-with-jackscrew-drawing

Form of the Orifice Flange:

There are two tappings are machined into the two orifice flanges, and the position of the two tappings is opposite, commonly the tappings are sealed by a plug or a bolt. When the orifice flange is installed, the two tappings are used to put the flow rate meter. And commonly there are also one or two jack screw is machined on the orifice flanges, it is used to facilitate separating the flanges joint when inspection or replacement, the jack screw could prevent the damaging of flange sealing faces .

orifice-flange-constitution

orifice-flange-constitution

 Type of Orifice Flanges:

The Orifice flange could be in many different types, welding neck orifice flanges, slip on orifice flanges or threaded orifice flanges. The sealing face of the orifice flange could be Raised Face(RF) or Ring Type Joing (RTJ).

ansi-b16-36-orifice-wn-flange

ansi-b16-36-orifice-wn-flange

 Orifice Flanges of Hebei Haihao Group:

Commonly we supply the weld neck and slip on orifice flange in Haihao Group,the manufacturing standard is ANSI B16.36. Other types flange is also available to design,when the sizes are more than 24″,we should use the MSS SP-44 as the standard .Bolting position and data will as per ANSI B16.5.Hebei Haihao Flange Factory has enough experienced in design and production about the orifice flanges.

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