SPX FLOW Universal 3 Series - Installation - Safety Devices; Install Relief Valves

Waukesha Cherry-Burrell
®
Brand Universal 3 Pump Installation
11/2018 95-03103 Page 21
Install Relief Valves
Install relief valves to protect the pump and piping system against
excessive pressure. SPX FLOW recommends installing an exter-
nal relief valve designed to bypass fluid from the pump outlet to
the inlet side of the system (See Figure 16, Figure 17, and Figure
18).
I
Figure 16 - WR63 Reverse-Acting
Over-Pressure Relief Valve
IN
OU
T
Figure 17 - WR61C Air-to-Raise Valve
with Adjustable-Spring Actuator
IN
OUT
IN
Figure 18 - WR61T 4RHAR Valve
Relief Path
IN
OUT