The range of EN orifice flanges includes all standard sizes and pressure classes, and all common flange materials. DIN Orifice Flanges can be neck butt weld, neck slip on and threaded. Typical orifice flanges have two 1/2" NPT pressure taps per flange.
Notes
1. JACK SCREW PROVISION
(1) Each DIN Orifice Flange shall have a machine bolt mounted in a hole drilled on the flange centerline at 90 deg. From the pressure taps, for use as a jackscrew. Machine bolt shall be regular, with one heavy hex. nut.
(2) A slot shall be provided in the flange 0.06 in. (1.6mm) wider than the width across flats of the nut. The depth of the slot shall admit the nut so that there is no interference with the joining of the flanges when bolted together without orifice plate.
2. Tolerances on all dimensions shall be as shown in ANS B16.5 except for those shown below.
(1) Tolerance on location of center of pressure tap hole from flange face shall be :
a: Flanges smaller than nominal size 4 ± 0.02 in. (0.5mm)
b :Flanges nominal size 4 and larger ± 0.03 in. (0.8mm)
(2) Bore diameter tolerance (welding neck flanges only) is±0.5% of nominal value.
Product Parameters
|
Standard |
Nominal Diameter(mm) |
Pressure Class (MPa) |
Material |
|
DIN |
DN15-DN250 |
PN10, PN16, PN25, etc. |
Carbon steel Stainless steel |
|
Remarks: 1. For the details of this type of flange that you need, you can contact us at any time to provide you the better solution; 2. We have the ability to produce non-standard flanges according to the drawings provided by customers, and can also provide drawings and calculations of flanges according to the design parameters of the flanges. |
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Application
DIN Orifice Flanges are widely used in electric power, oil and gas, petrochemical, chemical, shipbuilding, heating, papermaking, metallurgy and other industries
Package&Transport
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