Local regulations may restrict the use of this product to below the conditions quoted.
In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2014
AB Issue 5
These flanges are designed to allow the fitting of Spirax Sarco level control/alarm probes to existing float-type boiler side chambers.
Square flanges
114 mm or 133 mm.
Round flanges
178 mm, 222 mm or 275 mm.
All flanges centrally tapped 1⁄2" or 1" BSP.
The maximum working pressure and temperature is dependent on
the chamber to which the flange is fitted, up to a maximum pressure
of 32 bar g at 239°C.
Square flange
Carbon steel BS 4360 Gr. 43A.
Painted finish.
Round flanges
Outside
Mounting hole Mounting hole
diameter
PCD
diameter
Mounting holes
No.
Overall
dimensions
Square flanges
Mounting hole Mounting hole
centres
diameter
Mounting holes
No.
178
146
15
8
114
86
15
4
222
191
19
6
133
100
15
4
275
235
22
8
Round flange
1 off Spirax Sarco 114 mm square probe flange tapped 1⁄2" BSP.