Dunkirk DWB Series - Manual (Page 13)

13
5 - HYDRONIC PIPING
Check Local Codes
for Maximum
Distance to Floor
Safety Relief
Valve
Gas Shutoff
Valve
in Open
position
Figure 9 - Safety Relief Valve Discharge
Piping
• Size and arrange discharge piping to avoid reducing
safety relief valve relieving capacity below minimum
relief valve capacity stated on rating plate.
• Run pipe as short and straight as possible to location
protecting user from scalding and properly drain
piping.
• Install union, if used, close to safety relief valve outlet.
• Install elbow(s), if used, close to safety relief valve
outlet and downstream of union (if used).
• Terminate pipe with plain end (not threaded).