IOM FS Iss 9; April 2012; ECR1269
Page 6 of 8
2.4
Installation In-Line
a)
Ensure direction arrow is consistent with viewed direction of flow and position
Fireflange
between pipeline
flanges concentrically. Concentricity can be achieved by ensuring the carrier outside diameter is central to
the fixing bolts.
b)
Firegroove
type should be fitted with approved couplings suitable for groove cut joints.
c)
When fitting Fireflange type, ensure that any sealing gaskets do not obstruct the pipe line or carrier bore.
Size/model
Min ID Gasket Permissible
50
53mm
80
79mm
100
103mm
150
155mm
200
204mm
Red
White