pipefitter prep

Sight glass minimum connection

• 1"

• 3/4"

• 1/2"

• 1/4"

Water column minimum connection

• 2"

• 1"

• 3/4"

• 1/2"

LWCO minimum connection

• 1 1/4"

• 1/2"

• 1"

• 3/4"

Control manifold minimum connection

• 1"

• 1/2"

• 3/4"

• 1/4"

Sight glass drain minimum connection

• 1/4"

• 1/2"

• 3/4"

• 1"

Bottom blow-off minimum connection

• 1 1/4"

• 1"

• 3/4

• 1/4

Bottom blow-off maximum connection

• 1"

• 3"

• 2"

• 2 1/2"

Surface blow-down maximum connection

• 3"

• 2 1/2"

• 1 1/4"

• 3/4"

Flanged saftey valve maximum connection

• 4"

• 3"

• 1/2"

• 1 1/2"

Take-off control line minimum connection

• 1"

• 3/4"

• 1/2"

• 1/4"