Series 751 FireLock® Alarm Check Valve
3
INTRODUCTION
The following instructions are a guide for proper installation of Victaulic Series 751 Alarm Check Valves. These instructions involve pipe that is
properly prepared and grooved in accordance with current Victaulic specifications.
TRIM DIMENSIONS
Typical 4"/100 mm - other sizes may vary.
Valve
Size
Dimensions
inches (mm)
Approximate Weight Each
lbs (kg)
Nominal
Diameter
inches (mm)
Actual
Outside
Diameter
inches (mm)
E to E
A *
Height
B ‡
Width
C
Depth
D
E
F
G
H
J
Without
Trim
With
Trim
GROOVED X GROOVED
1
1
/
2
1.900
9.00
18.50
21.00
12.50
10.00
11.00
9.00
5.00
5.00
14.2
31.0
40
48,3
228,60
470
533
318
254
279
229
127
127
6,4
14,1
2
2.375
9.00
18.50
21.00
12.50
10.00
11.00
9.00
5.00
5.00
14.6
31.0
50
60,3
228,60
470
533
318
254
279
229
127
127
6,6
14,1
2
1
/
2
2.875
12.61
22.50
23.50
13.50
11.25
12.00
9.00
5.00
5.00
34.4
52.0
65
73,0
320,29
572
597
343
286
305
229
127
127
15,6
23,6
76,1 mm
3.000
12.61
22.50
23.50
13.50
11.25
12.00
9.00
5.00
5.00
34.4
52.0
76,1
320,29
572
597
343
286
305
229
127
127
15,6
23,6
3
3.500
12.61
22.50
23.50
13.50
11.25
12.00
9.00
5.00
5.00
35.3
52.0
80
88,9
320,29
572
597
343
286
305
229
127
127
16,0
23,6
4
4.500
15.03
23.50
29.00
14.00
13.50
15.00
10.00
5.80
5.80
49.0
80.0
100
114,3
381,76
597
737
356
343
381
254
147
147
22,2
36,3
6
6.625
16.00
24.00
30.11
17.28
14.25
16.00
10.00
5.88
6.02
69.0
91.0
150
168,3
406,40
610
765
439
362
406
254
149
153
31,3
41,3
165,1 mm
6.500
16.00
24.00
30.11
17.28
14.25
16.00
10.00
5.88
6.02
69.0
95.0
165,1
406,40
610
765
439
362
406
254
149
153
31,3
43,1
8
8.625
17.50
26.00
30.00
18.00
15.25
16.00
10.00
16.00
10.00
142.0
182.0
200
219,1
444,50
660
762
457
387
406
254
406
254
64,4
82,6
FLANGED X GROOVED
4
4.500
15.64
23.50
29.00
14.00
11.50
15.00
10.00
5.80
5.80
59.0
90.0
100
114,3
397,26
597
737
355
292
381
254
147
147
26,8
40,8
6
6.625
16.94
24.00
30.11
17.28
14.00
16.00
10.00
5.88
6.02
79.0
106.0
150
168,3
430,28
610
765
439
356
406
254
149
153
35,8
48,1
165,1 mm
6.500
16.94
24.00
30.11
17.28
14.00
16.00
10.00
5.88
6.02
79.0
110.0
165,1
430,28
610
765
439
356
406
254
149
153
35,8
49,9
8
8.625
19.27
26.00
20.00
18.00
16.00
14.00
10.00
16.00
10.00
155.0
195.0
200
219,1
489,46
660
508
457
406
356
254
406
254
70,0
88,5
* The “A” dimension is the measurement from the top of the valve body to the bottom of the valve body (takeout dimension).
‡ Add 12 inches (305 mm) to the “B” (Height) dimension when an optional retard chamber is installed.
G
C
E
F
J
H
A
B
D
Optional
Retard
Chamber