User Guide
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Viega PureFlow Support Trays User Guide
UG-PF 589429 1119 PureFlow Support Trays
Tubing Size
(in)
Spacing Intervals
Between
Hangers* (ft)
Hanger to End of Tray
Between
Trays (in)
Fitting
to Tray (in)
Tray
Overlap** (in)
½ - 1 8 max min 1x nominal tube size 32 2 min 4 min
1¼ - 2 8 max min 1x nominal tube size 48 2 min 4 min
*Where trays are installed continuously it may be necessary to use closer hanger spacing to maintain a consistent
hanger interval.
**A maximum of two continuous tray lengths shall be used where thermal compensation and/or offsets are required,
typically every 50 ft.
Installation Details
Hanger to end of tray
1x nominal
tube size
Fitting to tray / between trays
Max distance for
unsupported PEX
2 Min
Overlap detail with straps
4 Min
1 Min




