System Components
UL EX-4510 2-1-12 Page 1-11
REV. 3
Description
The pressure bleeder plug must be used to relieve the
pressure in closed actuation lines. The plug relieves the
pressure through a small orifice. This slow relief of pressure
does not affect the function of the actuation line.
Pressure Bleeder Plug – 1/4 in.
Component Material Thread Size/Type Approvals
Bleeder Plug Brass 1/4 in. NPT Male UL Listed (EX-4510);
Listed for use with FM Approved systems
Shipping Assembly
Part No. Description
42175 Pressure Bleeder Plug
ORIFICE
1/4 IN. NPT
ANSUL
®
Copyright © 2012 Tyco Fire Products LP.
All rights reserved.
Form No. F-9329-05
One Stanton Street +1-715-735-7411
Marinette, WI 54143-2542 www.ansul.com
CAUTION
Pressure Bleeder Plug (Part No. 42175) must not be
installed anywhere in the directional/selector valve actu-
ation line as the directional/selector valve may not
remain open during a complete system discharge,
potentially interfering with the ability of the system to
suppress a fire.
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