2 introduction, 1 esp primer pump, Figure 2-1: rotary vane esp priming pump – Hale ESP Priming System User Manual
Page 11: Introduction, Esp primer pump, Figure 2-1, Rotary vane esp priming pump, 2introduction
11
ESP Primer System Instruction Guide
p/n: 029-0810-01-0
In tro d u ctio n
❑
2
Introduction
2.1
ESP PRIMER PUMP
Hale recommends and uses Rotary Vane Positive Displacement pumps
(ESP) for priming. Priming pumps are used to evacuate air in the suction
hose and pump. (See Figure 2-1: “Rotary Vane ESP Priming Pump.”)
Figure 2-1: Rotary Vane ESP Priming Pump
The Hale ESP series priming pump is an environmentally friendly primer
that does not require a separate lubricant reservoir.
The vanes and pump body are self-lubricating for maintenance free opera-
tion. An ESP priming pump also uses a single control to open the priming
valve and start the priming motor.
Note: For an optional “ESP Primer lubricated system,” also see heading “Lubri-
cated ESP Primer System” on page 14.)
Hale priming valves open when the priming pump is operated allowing the
air to escape from the pump. Two priming valves offered:
a. Semi-Automatic Priming Valve (SPV / SPVR) - also see heading “SPV
b. PVG Priming Valve - also see heading “PVG Priming Valve” on page 14.