AUTO AIR VENT
According to NFPA Pumps that are automatically controlled shall be provided with a listed float-operated air release valve having a nominal 0.50 in. (12.7 mm) minimum diameter discharged to atmosphere.
SPECIFICATIONS
|
Sizes: |
½”, ¾”, 1” |
|
Pressure
Rating: |
175 psi |
|
Body
and Cover |
Ductile Iron ASTM
A536 64-45-12 |
|
Float |
Stainless Steel
316, ASTM A240 |
|
Internal
Parts |
Stainless Steel
316, ASTM A240 |
|
Orifice
Button |
EPDM |
|
Paint
Specification |
Red Epoxy Painted |
|
•
Maintains system flow efficiency |
|
|
Operational
Highlights |
•
Releases unwanted air pockets during system operation |
|
•
Protects system against air related surges |
AIR
RELEASE VALVE - TECHNICAL DATA
|
Model
No. |
Valve
Size |
Orifice
Size |
Inlet
Size NPT |
Outlet
Size NPT |
Max
W.P |
|
NF - 15 ARV |
½" |
¹/16" |
½” |
½" |
175
psi |
|
NF - 20 ARV |
¾" |
¹/16” |
¾" |
½” |
175
psi |
|
NF - 25 ARV |
1" |
¹/16” |
1" |
½” |
175
psi |