Tubing Burst Pressure Chart

CleanAir Engineering offers a wide range of tubing products for your air monitoring and measurement applications. The Chart below compares burst pressures for PTFE, FEP, and PFA tubing.

Chart dimensions are in inches.

Size, Fractional	Outside Diameter-O.D.	Wall Thickness	Tolerance, +/-	Tolerance, +/-	Burst Pressure* PSI at 75°F (Spike)
					PTFE	FEP	PFA
1/8	0.125	0.031	0.005	0.008	967	1161	1548
1/8	0.125	0.062	0.010	0.008	1500	1800	2400
5/32	0.156	0.047	0.007	0.008	1096	1315	1753
3/16	0.188	0.031	0.005	0.008	700	840	1120
1/4	0.250	0.031	0.005	0.010	549	659	878
1/4	0.250	0.062	0.010	0.010	962	1154	1538
5/16	0.312	0.031	0.005	0.010	451	541	721
3/8	0.375	0.031	0.005	0.010	382	459	612
3/8	0.375	0.062	0.010	0.010	700	840	1120
7/16	0.438	0.031	0.005	0.010	332	398	531
1/2	0.500	0.031	0.005	0.010	293	352	469
1/2	0.500	0.062	0.010	0.010	549	659	878
9/16	0.562	0.031	0.005	0.010	262	315	420
5/8	0.625	0.031	0.007	0.020	238	285	380
5/8	0.625	0.062	0.010	0.020	451	541	721
11/16	0.688	0.031	0.007	0.020	217	260	347
3/4	0.750	0.040	0.007	0.020	253	303	404
7/8	0.875	0.045	0.007	0.020	244	293	390
7/8	0.875	0.062	0.010	0.020	332	398	531
1	1.000	0.045	0.007	0.020	215	258	344
1-1/4	1.250	0.045	0.007	0.020	174	208	278
1-1/2	1.500	0.050	0.008	0.020	161	193	258

* Burst Pressure values are theoretical values obtained by calculation. They are intended for guidance only. The burst pressure is for “spike” pressures only. For Continuous Pressures or Working Pressures take 1/4 of the “spike” pressure value listed above. Working pressures are considerably lower than spike pressures. For guidance on working pressures, consult CleanAir.

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Tubing Burst Pressure Chart

Tubing Burst Pressure Chart

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