5.3　Installation of Cooler and Steam Heater

5.3.1　The pressure test of cooler and steam heater shall conform to related requirements of the design technical document.In case of no related requirements，the cooler and steam heater shall be tested under the pressure 1.25times as such as working pressure and with water as test medium.After the test pressure has been held for 30min，no leakage or pressure fall shall be accordingly incurred.

Quantity to be checked:100%.

Inspection method:Observe and check the record of pressure test.

5.3.2　The allowable deviation for installation of cooler and steam heater shall conform to related requirements in Table 5.3.2.

Quantity to be checked:100%.

Inspection method:See Table 5.3.2.

Table 5.3.2　Allowable deviation for installation of cooler and steam heater