
Series 751 FireLock® Alarm Check Valve
6
EXPLODED VIEW DRAWING – INTERNAL VALVE COMPONENTS
1
¹⁄₂
- 3 & 8"
4 - 6"
1
12
11
9
4
3
2
10
7
6
5
8
14
13
15
BILL OF MATERIALS
1
Valve
Body
9
Clapper
Spring
2
Clapper
10
Spacers
(Qty.
2)
3 Clapper Seal
11 Clapper Shaft
4 Seal Ring
12 Clapper Shaft Retaining Plug (Qty. 2)
5 Seal Washer (Not Used on 1
¹⁄₂
- 2" [40 - 50-mm] Valves)
13 Cover Plate
6 Seal-Retaining Ring
14 Cover Plate Gasket
7 Seal-Assembly Bolt
15 Cover Plate Bolts (Qty. 7)
8
Bolt
Seal
3
2
10
7
6
8
Clapper
Alarm
Outlet
Alarm
Test
Seat
Exaggerated for clarity