Airmount Selection Guide

Firestone Airmount® Isolator Selection Guide & Data Sheets

Important Note

Please Note

The information contained in this selection guide, and all attached files, is intended to provide a general guide to the characteristics and applications of these products. The material, herein this web site, was developed through engineering design and development, testing and actual applications and is believed to be reliable and accurate.

Air Springs Supply Pty Ltd however, makes no warranty, express or implied, of this information.

Anyone making use of this material does so at his or her own risk and assumes all liability resulting from such use. It is suggested that competent professional assistance be employed for specific applications.

Product Use Warning

Do not inflate assembly when it is unrestricted. Assembly must be restricted by suspension or other adequate structure
Do not inflate beyond pressures recommended in design literature (contact firestone for information)
Improper use or over inflation may cause assembly to burst causing property damage or severe personal injury.

Style Number	Type	View Data Sheet		Design Height (Inches)	Load (at Design Height) at:			Natural Frequency (@ 80 PSIG) fn(cpm)	% of Isolation at Forced Frequency
Style Number	Type	Metric	Imperial	Design Height (Inches)	40 PSIG (Pounds) *	60 PSIG (Pounds)	80 PSIG (Pounds)	Natural Frequency (@ 80 PSIG) fn(cpm)	400 CPM	800 CPM	1500 CPM
1M1A-0	Shaped Sleeve			2.5	210	330	450	220	–	91.8	97.8
1M1A-1	Shaped Sleeve			3	235	356	475	162	90	95.5	98.6
2M1A	Shaped Sleeve			DO NOT USE 2M1A as an Airmount Isolator
2M2A	Shaped Sleeve			2	73	105	137	232	–	90.8	97.5
110	Single Convolution			4.5	650	1,010	1,390	162	80.2	95.7	98.8
113	Single Convolution			5	3,220	5,030	6,890	150	83.6	96.4	99
113-1	Single Convolution			5.5	3,820	5,900	7,990	133	87.7	97.2	99.2
115	Single Convolution			4.5	1,180	1,750	2,350	166	79.1	95.5	98.8
116	Single Convolution			4.5	850	1,330	1,830	163	80.2	95.7	98.8
116-1	Single Convolution			5.5	940	1,410	1,930	139	86.3	96.9	99.1
119**	Single Convolution			5	5,490	8,450	11,450	138	86.5	96.9	99.1
121**	Single Convolution			5	6,450	10,300	14,450	142	85.5	96.7	99.1
126**	Single Convolution			5	11,030	16,710	22,460	133	87.5	97.1	99.2
131	Single Convolution			3.5	550	850	1,170	181	74.4	94.6	98.5
138-15	Single Convolution			6	15,870	24,490	32,890	124	89.3	97.5	99.3
148-1	Single Convolution			5.5	32,860	50,290	67,690	118	90.5	97.8	99.4
153-2	Single Convolution			6	4,564	7,048	9,682	121	89.9	97.7	99.3
16	Single Convolution			3	420	640	880	237	–	90.3	97.4
16ST	Single Convolution	OBSOLETE – DO NOT USE
19	Single Convolution			5	2,130	3,310	4,500	156	82.1	96	98.9
19-075	Single Convolution			5.5	1,890	2,950	4,080	156	82	96	98.9
274	Double Convolution			8.5	990	1,540	2,130	116	90.7	97.8	99.4
20-2	Double Convolution			10	1,184	1,848	2,531	97	93.7	98.5	99.5
200	Double Convolution			9.5	13,290	20,390	27,330	93	94.2	98.6	99.6
203**	Double Convolution			9.5	7,210	11,100	14,970	97	93.7	98.5	99.6
21	Double Convolution			9.5	3,030	4,750	6,540	105	92.6	98.3	99.5
21-2	Double Convolution			10.5	3,460	5,350	7,280	95	94.1	98.6	99.6
211/215	Double Convolution			10.5	15,840	24,140	32,550	86	95.1	98.8	99.7
22	Double Convolution			9.5	2,060	3,170	4,280	106	92.4	98.2	99.5
22-15	Double Convolution			10.5	1,930	3,030	4,130	106	92.4	98.2	99.5
224	Double Convolution			6.5	730	1,130	1,530	126	89	97.5	99.3
233-2	Double Convolution			11.25	3,413	5,631	7,691	89	95	98.8	99.7
248-2	Double Convolution			11	30,830	47,720	63,890	83	95.5	98.9	99.7
268	Double Convolution			5.5	430	670	910	154	82.5	96.1	98.9
267-1.5	Double Convolution			6	566	871	1,194	129	87.6	97.2	99.2
26	Double Convolution			8	790	1,230	1,670	111	91.6	98	99.4
28**	Double Convolution			9.5	4,590	7,010	9,590	101	93.2	98.4	99.5
29**	Double Convolution			9.5	9,780	14,860	20,060	92	94.4	98.7	99.6
312**	Triple Convolution			13	5,100	7,930	10,730	80	95.8	99	99.7
313	Triple Convolution			13	3,310	5,120	7,020	82	95.6	98.9	99.7
319/321	Triple Convolution			15	16,220	24,690	33,290	70	96.8	99.2	99.8
320**	Triple Convolution			14	10,340	15,580	21,080	73	96.5	99.2	99.8
323**	Triple Convolution			13	7,380	11,520	15,550	77	96.1	99.1	99.7
333	Triple Convolution			14.7	3,282	5,167	7,000	77	96.1	99.1	99.7
348-3	Triple Convolution			15	31,480	47,870	64,870	68	97	99.3	99.8
352	Triple Convolution			13.5	2,319	3,631	5,017	77	95.9	99	99.7
1T12E-3	Reversible Sleeve	OBSOLETE – DO NOT USE
1T14C-1	Reversible Sleeve			10	1,210	1,880	2,540	86	95.1	98.8	99.7
1T14C-3	Reversible Sleeve			11	1,230	1,890	2,570	76	96.2	99.1	99.7
1T14C-7	Reversible Sleeve			13.5	1,250	1,910	2,600	64	97.4	99.4	99.8
1T15L-4	Reversible Sleeve			11	2,650	4,080	5,510	82	95.6	98.9	99.7
1T15M-0	Reversible Sleeve			7.5	2,670	4,120	5,540	94	94.1	98.6	99.6
1T15M-2	Reversible Sleeve			9.5	2,850	4,370	5,900	86	95.2	98.8	99.7
1T15M-4	Reversible Sleeve			12.5	2,760	4,200	5,670	71	96.8	99.2	99.8
1T15M-6	Reversible Sleeve			15	2,720	4,110	5,560	67	97.1	99.3	99.8
1T15M-9	Reversible Sleeve			18.5	2,780	4,250	5,680	58	97.8	99.5	99.8
1T15S-6	Reversible Sleeve			12	2,040	3,140	4,220	74	96.5	99.1	99.8
1T15T-1	Reversible Sleeve			7	2,100	3,220	4,370	97	93.7	98.5	99.6
1T19L-11	Reversible Sleeve			18	3,411	5,151	6,911	63	97.5	99.4	99.8
1T19L-7	Reversible Sleeve			15	3,476	5,264	7,052	70	96.8	99.2	99.8
1X84D-1	Reversible Sleeve	OBSOLETE – DO NOT USE
4001	Reversible Sleeve	OBSOLETE – DO NOT USE
7002	Reversible Sleeve			4.5	310	480	650	114	91.2	97.9	99.4
7010	Reversible Sleeve			8	280	440	600	83	95.5	98.9	99.7
7012	Reversible Sleeve			8.5	360	590	790	75	96.3	99.1	99.7
Airmount® Isolator air pressures below 40 PSIG should be reviewed with Firestone. *When using the rolled plate end closure option, add 0.7inch to heights shown. All Triple Convolution & Reversible sleeve except 1X84D1 and 1M1A please consult Firestone for use as an Airmount® Isolator. Selection Guides are now available on Compact Disc. Please contact us for a copy.