System Components
UL EX-4510 12-1-01 Page 1-22
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. The 180° nozzle is
commonly used when nozzle placement is at the wall.
Standard nozzles are constructed of brass.
An index mark is stamped on the bottom of the nozzle to
indicate the aiming direction.
* Orifice diameter must be specified when ordering nozzle.
ANSUL and INERGEN are trademarks of Ansul Incorporated or its affiliates.
180° Discharge Nozzle
Shipping Assembly
Part No. Description
426138 1/4 in. NPT nozzle
426139 3/8 in. NPT nozzle
426140 1/2 in. NPT nozzle
426141 3/4 in. NPT nozzle
426142 1 in. NPT nozzle
426143 1 1/4 in. NPT nozzle
426157 1 1/2 in. NPT nozzle
426144 2 in. NPT nozzle
426145 2 1/2 in. NPT nozzle
426146 3 in. NPT nozzle
ANSUL INCORPORATED, ONE STANTON STREET, MARINETTE, WI 54143-2542 715-735-7411 Form No. F-2001273 ©2001 Ansul Incorporated Litho in U.S.A.
C
002742
002743
Component Material Thread Size
Nozzle Body: 1/4, 3/8, 1/2, 3/4, 1, 1 1/4,
Brass 1 1/2, 2, 2 1/2, 3 NPT
Size A-In. B-In. C-In.
1/4 in. 5/8 1 9/16 21/32
3/8 in. 3/4 1 5/8 23/32
1/2 in. 15/16 1 31/32 27/32
3/4 in. 1 1/8 2 5/32 7/8
1 in. 1 13/32 2 9/16 1
1 1/4 in. 1 3/4 2 3/4 1 1/16
1 1/2 in. 2 2 31/32 1 1/16
2 in. 2 3/8 3 1
2 1/2 in. 3 3 1/2 1
3 in. 3 1/2 4 1/8 1 1/4
22.5%
A
B
INDEX
MARK
NOTE: Refer to “Nozzle/Pressure Reducer Range Chart” in
Design Section for detailed orifice range information.
ANSUL
®