Installing The Priming Valve - Waterous VPO Priming System Installation, Operation And Maintenance Manual

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Safety
Introduction

Installing the Priming Valve

Product Overview
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Installation
Operation
Use the illustration and instructions to install the
priming valve. The illustration shows a typical
priming valve installation on a typical fire pump—
your specific application my differ in appearance.
Use the following guidelines when installing the
priming valve in your application:
• The priming valve must be mounted above the
priming pump.
• The vacuum hose or tubing must allow water to
drain from the priming valve to the priming pump.
• If additional priming valves are installed on the
discharge side of fire pump, know that trapped
water can impede proper priming.
• If required, use a hose or tube between the fire
pump intake and the priming valve instead of a
length of 3/8-inch NPT pipe.
1 Locate a suitable port on the pump intake.
2 Install an appropriate length of 3/8-inch NPT
pipe into the port on the inlet. Then install the
1
priming valve to the pipe.
Maintenance

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