TRIPLE CONVOLUTION
SINGLE CONVOLUTION
SHAPED SLEEVE
DOUBLE CONVOLUTION
REVERSIBLE SLEEVE
33
1X84D-1
8.0
310
500
680
71
96.8
99.2
99.8
4001
5.5
150
220
290
105
92.7
98.3
99.5
7002
4.5
310
480
650
114
91.2
97.9
99.4
7010
8.0
280
440
600
83
95.5
98.9
99.7
7012
8.5
360
590
790
75
96.3
99.1
99.7
1T12E-3
10.5
290
450
600
73
96.5
99.2
99.8
1T14C-1
10.0
1,210
1,880
2,540
86
95.1
98.8
99.7
1T14C-3
11.0
1,230
1,890
2,570
76
96.2
99.1
99.7
1T14C-7
13.5
1,250
1,910
2,600
64
97.4
99.4
99.8
1T15T-1
7.0
2,100
3,220
4,370
97
93.7
98.5
99.6
1T15S-6
12.0
2,040
3,140
4,220
74
96.5
99.1
99.8
1T15L-4
11.0
2,650
4,080
5,510
82
95.6
98.9
99.7
1T15M-0
7.5
2,670
4,120
5,540
94
94.1
98.6
99.6
1T15M-2
9.5
2,850
4,370
5,900
86
95.2
98.8
99.7
1T15M-4
12.5
2,760
4,200
5,670
71
96.8
99.2
99.8
1T15M-6
15.0
2,720
4,110
5,560
67
97.1
99.3
99.8
1T15M-9
18.5
2,780
4,250
5,680
58
97.8
99.5
99.8
1T19L-7
15.0
3,476
5,264
7,052
70
96.8
99.2
99.8
1T19L-11
18.0
3,411
5,151
6,911
63
97.5
99.4
99.8
352
13.5
2,319
3,631
5,017
77
95.9
99.0
99.7
313
13.0
3,310
5,120
7,020
82
95.6
98.9
99.7
333
14.7
3,282
5,167
7,000
77
96.1
99.1
99.7
312
**
13.0
5,100
7,930
10,730
80
95.8
99.0
99.7
323
**
13.0
7,380
11,520
15,550
77
96.1
99.1
99.7
320
**
14.0
10,340
15,580
21,080
73
96.5
99.2
99.8
319/321
15.0
16,220
24,690
33,290
70
96.8
99.2
99.8
348-3
15.0
31,480
47,870
64,870
68
97.0
99.3
99.8
16
3.0
420
640
880
237
90.3
97.4
16ST
3.0
400
600
800
240
87.0
97.0
99.2
131
3.5
550
850
1,170
181
74.4
94.6
98.5
110
4.5
650
1,010
1,390
162
80.2
95.7
98.8
116
4.5
850
1,330
1,830
163
80.2
95.7
98.8
116-1
5.5
940
1,410
1,930
139
86.3
96.9
99.1
115
4.5
1,180
1,750
2,350
166
79.1
95.5
98.8
19
5.0
2,130
3,310
4,500
156
82.1
96.0
98.9
19-.75
5.5
1,890
2,950
4,080
156
82.0
96.0
98.9
113
5.0
3,220
5,030
6,890
150
83.6
96.4
99.0
113-1
5.5
3,820
5,900
7,990
133
87.7
97.2
99.2
153-2
6.0
4,564
7,048
9,682
121
89.9
97.7
99.3
119
**
5.0
5,490
8,450
11,450
138
86.5
96.9
99.1
121
**
5.0
6,450
10,300
14,450
142
85.5
96.7
99.1
126
**
5.0
11,030
16,710
22,460
133
87.5
97.1
99.2
134-1.5/138-1.5
6.0
15,870
24,490
32,890
124
89.3
97.5
99.3
148-1
5.5
32,860
50,290
67,690
118
90.5
97.8
99.4
•• Airmount isolator air pressures below 40 PSIG should be reviewed with Firestone.
† Except for 1X84D-1 and 1M1A.
25
5.5
430
670
910
154
82.5
96.1
98.9
255-1.5
6.0
566
871
1,194
129
87.6
97.2
99.2
224
6.5
730
1,130
1,530
126
89.0
97.5
99.3
26
8.0
790
1,230
1,670
111
91.6
98.0
99.4
20
8.5
990
1,540
2,130
116
90.7
97.8
99.4
20-2
10.0
1,184
1,848
2,531
97
93.7
98.5
99.5
22
9.5
2,060
3,170
4,280
106
92.4
98.2
99.5
22-1.5
10.5
1,930
3,030
4,130
106
92.4
98.2
99.5
21
9.5
3,030
4,750
6,540
105
92.6
98.3
99.5
21-2
10.5
3,460
5,350
7,280
95
94.1
98.6
99 6
233-2
11.25
3,413
5,631
7,691
89
95.0
98.8
99.7
28
**
9.5
4,590
7,010
9,590
101
93.2
98.4
99.5
203
**
9.5
7,210
11,100
14,970
97
93.7
98.5
99.6
29
**
9.5
9,780
14,860
20,060
92
94.4
98.7
99.6
200
9.5
13,290
20,390
27,330
93
94.2
98.6
99.6
211/215
10.5
15,840
24,140
32,550
86
95.1
98.8
99.7
248-2
11.0
30,830
47,720
63,890
83
95.5
98.9
99.7
Load (at Design Height) at:
Natural
% of Isolation at
Style
Design
Frequency
Forced Frequency
Number
Height
••40 PSIG
60 PSIG
80 PSIG
(@ 80 PSIG)
400 CPM
800 CPM
1500 CPM
(pounds)
(pounds)
(pounds)
f
n
(cpm)
%
%
%
AIRMOUNT
®
ISOLATORS
TYPE 1 bead plate
TYPE 2 bead plate
TYPE 3 bead plate
TYPE 4 bead ring
TYPE 5 rolled plate
CONSULT FIRESTONE FOR USE AS AN AIRMOUN
T
†
END CLOSURES
➧
➧
➧
➧
➧
➧
➧
1/4 NPT
AIR INLET
A
1/4 OR
3/4 NPT
AIR INLET
A
A
1/4 OR
3/4 NPT
AIR INLET
A
B
C
3/4 NPT
AIR INLET
A
B
1M1A-0
2.5
210
330
450
220
91.8
97.8
1M1A-1
3.0
235
356
475
162
90.0
95.5
98.6
2M1A
DO NOT USE 2M1A AS AN AIRMOUNT ISOLATOR
2M2A
2.0
73
105
137
232
90.8
97.5
