Frequently Asked Questions (FAQ)

Availability
A.R. North America, Inc stocks the most comprehensive inventory...

Buying Direct
A.R. North America, Inc. policy is to sell only through qualified...

By-Pass
By-pass is usually associated with and unloader or regulator valve...

Cavitation
Can you identify and avoid cavitation?...

CETA
The Cleaning Equipment Trade Association (CETA)...

Crankshaft I.D.
Each triplex plunger pump has a crankshaft identification stamping...

Inlet Conditions
One of the most important considerations when designing a system...

MSDS
Manufacturers Safety Data Sheet...

Multiple Pump Systems
Is the result of a rapid increase in pressure which occurs ....

Oil
How often should I change pump oil?...

Pricing
Established list pricing is available only through qualified...

Pulsation
Pulsation in the standard pumping system is natural...

Reading AR Pump Part Numbers
How to read the A.R. Pump Part Number...

Run Dry
If the pump is run without fluid it is being “run dry”...

Serial Number
Each Annovi Reverberi Pump is supplied with its own identifying...

Valves
Pump Inlet & Discharge Valves Facts...

Warranty
What is the A.R. Pump Warranty?....

Water Hammer
Is the result of a rapid increase in pressure which occurs ....

Winter Pump Storage
It is a given that when water freezes it expands...