Spring hanger type and installation method

Introduction: Spring hangers are mainly used in power plant steam pipes or boiler equipment, thermal displacements generated during operation and their equipment.

Spring hanger type and installation method

Spring hangers are mainly used in power plant steam pipes or boiler equipment, thermal displacements generated during operation and their equipment. According to the calculation of the force condition of the pipeline, the work and thermal displacement requirements of the spring hanger are determined. The spring hanger is designed according to the design load: the spring is preloaded and the position of the cold load is set; and the cold state is marked at the same time. Theoretical theory working position.

classification:

A: Screw type intermediate connection hanger spring

B: Single hanging plate intermediate connection hanger spring

C: Double hanging plate intermediate connection hanger spring

D: load hanger adjustment type upper and lower connection hanger spring

E: Elastic nut adjustment type upper and lower connection hanger spring

F: bracket spring

G: Cross arm parallel hanger spring

Setting instructions for setting spring hangers:

1) Before installation, check whether the spring assembly and installation diagram are in compliance;

2) There are sign boards on the spring assembly housing:

Red arrow - indicates the position of the running (work) load;

Yellow arrow - indicates cold (installed) load position;

3) After the spring assembly is installed on the hanger, the positioning pins must not be removed before the hydrostatic test. During the hydrostatic test, the spring hanger temporarily becomes a rigid hanger due to the locking of the positioning pin to ensure the working performance of the spring. After the hydrostatic test, the positioning pins can be removed as follows.

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