AGF Manufacturing 7900A, 7950A User Manual

AGF Manufacturing Inc.

Model 7900A & 7950A

Owner’s Manual

INST-PURGEnVENT

Model 7900A

Model 7950A

Air Venting Valves

Air Venting Valves

Air Venting Valves

for Wet Pipe Fire Sprinkler Systems

NFPA 13 code requires venting the excess air from wet fire sprinkler systems to
help prevent corrosion.

Table of Contents

Recommended Installation Locations ...........................................................3

Installation Instructions

Model 7900A ........................................................................................................4

Model 7950A .................................................................................................... 4-5

Filling the System .............................................................................................5

Cleaning the Vent Screen

Quick Clean ..........................................................................................................5

Full Clean ..............................................................................................................6

AGF Manufacturing Inc.

100 Quaker Lane • Malvern, PA 19355

Phone: [phone]

Fax: [phone]

www.agfmanufacturing.com

Recommended Installation Locations

,1/(7137

9(17

385*(9$/9(

&211(&7,1*187

6+2:123(1

*$5'(1+26(7+5($'

&$3

287/(7137

M7900A Valve

Near high points in system per NFPA 13 (2016). Examples are the top of a •
vertical riser, elevated branch lines, and under roof peaks.

At the end of branch lines.•

Locations which have previously experienced internal pipe corrosion due to •
pockets of trapped air.

M7950A Valve

Near the floor control assembly•

Model 7900AAV

MinimumPSIG:2.9•MaximumPSIG:175

AGF Manufacturing Inc. • Phone: [phone] • Fax: [phone] • www.agfmanufacturing.com

3