Bushing sleeves are used as connection components to connect pipelines that conduct gaseous media.
APPLICATION AND DESCRIPTION
Bushing sleeves are used as connection components to connect pipelines that conduct gaseous media. Structure of each type is different.
Type SMU – self-sealing: A seal ring(s) placed in the offset(s) of a bushing sleeve is used to seal the joint between the pipe and the sleeve inserted on the pipe. Sealing will be effective for even negligible overpressure in the pipeline. After proper installation, the sleeve shall be welded to the pipe.
Type SU: Seal rings placed in special recessions of the bushing sleeve are used to seal the joint between the pipe and the sleeve inserted on the pipe. Sealing will be effective after Allen head screws located in the front sides of the sleeve have been tightened. Description of each type and design is indicated in the following text hereof.
RANGE OF APPLICATION
Operating medium: gas in accordance with EN 437
Piping of pressure class:
type SMU: PN16 up to PN100
type SU: PN16 up to PN40
Piping with nominal diameter of:
type SMU: DN25 up to DN400
type SU: DN500 up to DN800
Operating temperature: -10ºC up to +50ºC
Material:
steel in accordance with DIN EN 10305/1 and DIN EN 10305/2, EN 10216/2, DIN 1629, DIN 1626 and DIN 2391/C, or equivalent
O-ring
EDPM rubber DIN 4060
For underground as well as overhead application