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Hull and Outfitting

Trunnions

  • Last UpdatedJan 13, 2026
  • 2 minute read

The following standards are available in the MDS application.

The standards marked with a * are not available in the MDS application. These standards are obsolete and have been replaced by other new standards.

MDS Standard Name

Replacement Name

Default Description

TT01*

XTT01

Trunnions for straight piping.

TT02*

XTT02

Trunnions for pipe elbows.

TT03*

XTT03

Trunnions for CuNi straight piping.

TT04

XTT04

Base ELL and Pipe Support NPS 2-36

TT05

XTT05

Base ELL and Pipe Support NPS 2-36 with Bearing Plate

TT06

XTT06

Base ELL and Pipe Support Variable NPS 2-36

TT07

XTT07

Base ELL and Pipe Support Variable NPS 2-36 with Bearing Plate

TT08

XTT08

Base ELL and Pipe Support for RTJ Spools NPS 2-36

TT09

XTT09

Base ELL and Pipe Support for RTJ Spools NPS 2-36 with Bearing Plate

TT10

XTT10

Base Support for RTR Pipe NPS 2-14

TT11

XTT11

Base Support for RTR Pipe NPS 2-14 with Bearing Plate

TT12

XTT12

Base Support Bolt On NPS 2-36

TT13

XTT13

Base Support Bolt On with Bearing Plate NPS 2-36

TT14

XTT14

Type A Dummy Extension for Horizontal Pipe NPS 2-36

TT15

XTT15

Type B Dummy Extension for Horizontal Pipe NPS 2-36

TT16

XTT16

Type C Dummy Extension for Horizontal Pipe NPS 2-36

TT17

XTT17

Dummy Extension for Vertical Pipe NPS 2-36

TT18

XTT18

Base Support Adjustable Base NPS 2-24

TT19

XTT19

Base Support Adjustable Base with Bearing Plate NPS 2-8

TT20

XTT20

Support for Relief Valve Discharge Pipe NPS 2-12

TT21

XTT21

Rod Hanger Welded Elbow Trunnion NPS 12-24

TT22

XTT22

Base Support Anchor for RTR Pipe NPS 2-14

TT23

XTT23

Trunnion with an Integral Cold Isolation Block for C.S./Alloy Pipes NPS 1.1/2-20

TT24

XTT24

Trunnion Clamp for Vertical Pipe NPS 2-24

TT25

XTT25

90 Degree Cranked Vertical Dummy Leg for 2" 24"

TT26

XTT26

Vertical Dummy Leg for 2" 24"

TT27

XTT27

Trunnion With Integral Guide for 2" 24"

TT28

XTT28

Base Support Anchor for RTR Pipe NPS 2-14 with Bearing Plate

TT29

XTT29

GRE Pipes Vertical Dummy Leg for diam 2" 24"

TT30

XTT30

CPVC Pipes Vertical Dummy Leg for diam 2" 24"

TT31

XTT31

GRE Pipes Trunnion for 2" 24"

TT32

XTT32

CPVC Pipes Trunnion for 2" 24"

TT33

XTT33

GRE Pipes Stanchion for 2" 24"

TT34

XTT34

CPVC Pipes Stanchion for 2" 24"

TT35

XTT35

Vertical Dummy Leg for diam 2" 24"

TT36

XTT36

Trunnion NB 1.1/2" 30"

TT37

XTT37

Adjustable Trunnion NB 2" 12"

TT38

XTT38

Base Support Welded to pipe 2" TO 24"

TT39

XTT39

Base Support Welded to elbow 2" TO 24"

TT40

XTT40

Trunnion for uninsulated lines - NPS 20-250"

TT41

XTT41

Trunnion for uninsulated lines - NPS 20-250"

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