Chang Der Fire Protections Corp. |
|
|
|
|
|
|
|
|
AVD 911O 4 Model A flanged end vertical installed alarm check valve AVD 911O 6 Model A flanged end vertical installed alarm check valve The valve is made in accordance with UL 193 Alarm Valves for fire-protection service Material cast iron ASTM A48 class No35 Rated pressure 175psi test pressure 350psi Marking UL LISTED 3S58 A 175psi 4/6 ALARM CHECK VALVE Installation flange dimensions ANSI B16.1 class 125/ANSI B16.5 class 150 AVD1911NN Model A retard chamber, which is made in accordance with UL193. Material cast iron ASTM A48 class No35 Marking UL LISTED 3S8 RETARD CHAMBER MODEL A Installation vertical 1/2 NPT(PT) thread female inlet 3/4 NPT(PT) thread female outlet and 1/2 NPT(PT) thread femalle drain AVD2911N Model A water motor gong, which is made in reference to UL193. Material water motor aluminum alloy ASTM B26 356.0, gong shell aluminum alloy ASTMM B209 6061 Marking UL MODEL A DRAIN on water motor. SPRINKLER ALARM FIRE PROTECTION EQUIPMENT CHANG DER FIRE PROTECTIONS CORP. WHEN BELL RINGS CALL FIRE DEPT on gong shell. |
|
|
|
|
|
|
|
|
|
|
|