RETARD CHAMBER
Brief introduction: Blue seal"BSRC" retard chamber is adjunct part of alarm valve which the function is last the alarm time of the alarm valve.For prevent the misguide caused by unknown leakage and water hammer breakage that can improve the precision of alarm.UL LIST NO IS EX5109. Installation and maintenance guide: NFPA recommend check the system for a quarter.The most important part that must pay attention is the filter net.It must be check periodical and clear the deposit out.The deposit will have the bad effect on the retard chamber junction.
Design Specification:
Model
ˇˇBSRC
Working pressure
ˇˇ12kgf/cm2(175psi)
test pressure
ˇˇ25kgf/cm2(350psi)
Last time
ˇˇ5ˇ«90s

Material details
Edit no
Part name
Material
1
flow limit outlet
brass
2
screw
stainless steel
3
filter net
brass board
4
net cover
brass board
5
body
ASTM A126 CLASS B
6
connector
ASTM A126 CLASS B