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Spring hanger type:

Type A-Used where ample head room is available. Specific elevation is desirable.

 

 

Type B-Used where headroom is limited. Head attachment is a single lug.

 

 

Type C-Used where headroom is limited. Head attachment is side by side lugs

 

Type D-Used where the spring hanger is mounted on top of a pair of back to back channels. Provides for adjustment of the load from above the supporting channels

 

 

Type E-Used where the spring hanger is mounted on top of a pair of back to back channels. Provides for adjustment of the load from below the supporting channels.

 

Type F-Used where the spring hanger must be placed under the piping to provide support from the floor or a structural member. Typically supplied with a load flange but can also be supplied with a roller.

 

Type G-Used were head room is insufficient to accommodate the spring hanger and the necessary associated hardware. Also used where an interference exits directly above the piping system being supported is not centered between the spring hangers, each hanger will then carry its proportional load

 

When pipe moves vertically and when loads on attached equipment are required to remain constant as the pipe moves, then a spring hanger should be considered. Spring hangers are used to provide support to a pipe at a support location at the time the pipe is installed. Pipe movement is generally caused by thermal expansion or contraction of the piping system but it can also result from the movement of the equipment to which the pipe is connected. The underlying objective for using a spring hanger is to minimize the change of load applied by the piping on the connected equipment.