What is the pressure rating of flanges for 1.0MPA steam?

2019-07-30View Original

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What is the pressure rating of flanges for 1.0MPA steam?

Reply #22019-07-30

One higher level: 1.6 MPa

Reply #32019-07-30

For saturated steam, PN16 is sufficient; if it is superheated, determine the value based on the superheating temperature

Reply #42019-07-30

Not exceeding 300°C, use CL150

Reply #52019-07-30

The design temperature is unknown; generally, PN16 is suitable, but since the pressure during testing can exceed 1.6 MPa, it is recommended to use PN25.

Reply #62019-07-30

Dear teachers, is there any actionable standard for this? How to select the flange pressure class based on temperature and pressure?

Reply #72019-07-30

Reference JB/T74-2015 to select materials and grades based on pressure and temperature

Reply #82019-07-31

The pressure class for flanges used with 1.0MPA steam can be determined only after considering the steam temperature. It can’t be generalized.

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