System Components
UL EX-4510 2-1-12 Page 1-16
REV. 8
Description
Discharge nozzles are designed to direct the discharge of
INERGEN
® agent using the stored pressure from the cylin-
ders. Ten sizes of nozzles are available. The system design
specifies the orifice size to be used for proper flow rate and
distribution pattern*. The nozzle selection depends on the
hazard and location to be protected. Standard nozzles are
constructed of brass.
Note: 2, 2 1/2, and 3 in. nozzles are not recommended in
areas that are subject to damage by high velocity dis-
charges, such as suspended ceiling tiles.
* Orifice diameter must be specified when ordering nozzle.
Refer to Orifice Size Chart in Manual Appendix Section.
**UL/ULC listed only.
360° Discharge Nozzle
Shipping Assembly
Part No. Description
417908 1/4 in. NPT nozzle**
417723 3/8 in. NPT nozzle**
417362 1/2 in. NPT nozzle
417363 3/4 in. NPT nozzle
417364 1 in. NPT nozzle
417365 1 1/4 in. NPT nozzle
417366 1 1/2 in. NPT nozzle
426155 2 in. NPT nozzle
426156 2 1/2 in. NPT nozzle
426137 3 in. NPT nozzle
Component Material Thread Size Approvals
Nozzle Body–Brass 1/4**, 3/8**, 1/2, 3/4, 1, 1 1/4, UL Listed (EX-4510); Listed for
1 1/2, 2, 2 1/2, 3 NPT use with FM Approved systems
Size A-In. B-In. C-In. Hex
1/4 in. 5/8 1 9/16 21/32 5/8
3/8 in. 3/4 1 5/8 23/32 3/4
1/2 in. 15/16 1 31/32 27/32 15/16
3/4 in. 1 1/8 2 5/32 7/8 1 1/8
1 in. 1 13/32 2 9/16 1 1 7/16
1 1/4 in. 1 3/4 2 3/4 1 1/16 1 3/4
1 1/2 in. 2 2 31/32 1 1/16 2
2 in. 2 3/8 3 1 2 3/8
2 1/2 in. 3 3 1/2 1 3
3 in. 3 1/2 4 1/8 1 1/4 3 1/2
B
C
A
002199
Note: Refer to “Nozzle/Pressure Reducer Range Chart” in
Design Section for detailed orifice range information.
ANSUL
®
Copyright © 2012 Tyco Fire Products LP.
All rights reserved.
Form No. F-9328-11
One Stanton Street +1-715-735-7411
Marinette, WI 54143-2542 www.ansul.com
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