Pressure Rating Comparison

All Penflex working pressure ratings use minimum 4 to 1 safety factors. All Penflex working pressure ratings use minimum 4 to 1 safety factors. A comparison of working pressures for corrugated annular hoses can be found below.

Size	Braids	P3 Standard & Compressed Pitch	P4 Standard & Compressed Pitch	700	800	900	1400
¼”	1	2360	2500	2116	2562	2754
	2	2832	3375	3125	4099	4406
5/16”	1	1647	2300
	2	1976	3680
³/₈”	1	1639	1680	1501	1501	1921
	2	1967	2700	2401	2401	3073
½”	1	1225	1240	1075	2194	2194
	2	1470	1980	1720	3510	3510
	3						4000
⁵/₈”	1	1200
	2	1440
¾”	1	1034	940	792	1311	1994
	2	1241	1500	1267	2098	3192
	3						5000
1”	1	796	630	571	1069	1599
	2	955	1000	914	1710	2558
	3						4200
1-1/4”	1	600	575	531	1110	1317
	2	720	920	850	1776	2107
1-1/2”	1	557	500	472	868	1062
	2	668	800	755	1388	1698
	3						2750
2”	1	570	532	516	810	842
	2	684	850	826	1296	1346
	3						2180
2-1/2”	1		500	387	578
	2		700	619	925
3″	1		400	316	540
	2		600	506	864
	3						1250
3-1/2”	1			297
	2			475
4″	1		300	232	333
	2		444	371	533
	3						1250
5″	1			191
	2			306
6″	1			165	266
	2			264	425
	3				640
8″	1			234	234
	2			374	450
	3				550
10″	1			230
	2			367
12″	1			161
	2			257

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P5 Large Diameter

For pressure ratings on large diameter hose 14″ – 24″.

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Pressure Calculator

Play around with braid constructions to reach a desired theoretical pressure rating.

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Bulletin #126

How We Calculate Maximum Allowable Working Pressure (MAWP)

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