Hale RSD - Manual (Page 21)

21 Section 2a: Accessories
Hale Products, Inc., Nov. 2005, Rev-A
Ac ce ss or ies
❑
2a Accessories
In addition to the basic Hale pump and gearbox, the following options and/or
accessories are available to complete a system installation:
❑ Anodes
❑ Auxiliary Cooling, standard on some equipment
❑ Pressure Control Devices (Relief Valves or Governors)
❑ Thermal Relief Valve (TRV)
❑ Priming Systems
❑ Torrent Stainless Steel SVS Valves
2A.1 ANODES
The Hale Anode System helps prevent damage caused by galvanic corro-
sion in the pump. Galvanic corrosion occurs when different conducting
materials are connected electrically and exposed to fluid. Galvanic corro-
sion, results in corrosion of the less resistant of the two metals, while the
more resistant metal is protected. (See Figure 2a-1: “Hale 1-1/4” NPT
Anode.”)
Hale offers two types of anodes
(consumables) for pump pro-
tection from galvanic corrosion:
❑ Zinc anode - recommended
for all pumps where corro-
sion is an issue, including
brackish or salt water expo-
sure.
❑ Magnesium anode - avail-
able for use if the pump
already uses zinc anodes
and galvanic corrosion is still
a concern. Magnesium
anodes contain a notch in the hex head for identification.
The Anode kit is designed for installation in the standard Hale 115 series
flange opening. On fabricated manifolds and similar applications, the
installer must provide 1-1/4” NPT openings and install anodes directly. It is
recommended that one anode be installed on each suction manifold and
one on the discharge side.
Figure 2a-1: Hale 1-1/4” NPT Anode