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Hydrostatic Pressure Tests

Hydrostatic Pressure to Seam Failure on Spiral Tubing

Tests Conducted by the Testing Institute of Oslo, Oslo, Norway.

Dia. Inches	26 ga		24 ga		22 ga		20 ga		18 ga
	psi	wg	psi	wg	psi	wg	psi	wg	psi	wg
3	420	11634.0	535	14819.5	650	18005.0	765	21190.5	995	27561.5
4	308	8531.6	392	10858.4	475	13157.5	560	15512.0	728	20165.6
5	238	6592.6	303	8393.1	369	10221.3	435	12049.5	566	15678.2
6	199	5512.3	252	6980.4	308	8531.6	363	10055.1	473	13102.1
7	169	4681.3	216	5983.2	262	7257.4	309	8559.3	403	11163.1
8	145	4016.5	186	5152.2	224	6204.8	264	7312.8	344	9528.8
9	127	3517.9	161	4459.7	196	5429.2	230	6371.0	299	8282.3
10	113	3130.1	144	>3988.8	177	4902.9	208	5761.6	271	7506.7
12	93	2576.1	118	3268.6	145	4016.5	171	4736.7	223	6177.1
14	76	2105.2	100	2770.0	120	3324.0	142	3933.4	185	5124.5
16	68	1883.6	86	2382.2	103	2853.1	122	3379.4	162	4487.4
18			75	2077.5	91	2520.7	104	2880.8	136	3767.2
20			66	1828.2	81	2243.7	96	2659.2	125	3462.5
22			60	1662.0	72	1994.4	85	2354.5	111	3074.7
24					66	1828.2	78	2160.6	101	2797.7
26					61	1689.7	72	1994.4	94	2603.8
28					55	1523.5	65	1800.5	85	2354.5
30					51	1412.7	60	1662.0	78	2160.6
32					47	1301.9	56	1551.2	73	2022.1
34							52	1440.4	68	1883.6
36							48	1329.6	65	1800.5
38							45	1246.5	59	1634.3
40							42	1163.4	55	1523.5
42							39	1080.3	51	1412.7
44									47	1301.9
46									44	1218.8
48									41	1135.7
50									39	1080.3

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