Hydrostatic Test Pressure Flanges

Flanged fittings and hydrostatic test pressure

Hydrostatic test pressure for flanged fittings in some common piping materials are indicated in the table below:

Hydrostatic Test Pressure (psig)
ASTM
Specification
Class
150 300 400 600 900 1500 2500
A105
A216-WCB
A350-LF2
A515-70
A516-70
A537-C1.1
A675-70
A672-B70
A672-C70
A696 Grade C
450 1125 1500 2225 3350 5575 9275
A106-C
A203-B
A203-E
A216-WCC
A350-LC3
A352-LCC
A352-LC2
A352-LC3
450 1125 1500 2250 3375 5625 9375
A203-A
A203-D
A352-LCB
A515-65
A516-65
A675-65
A672-B65
A672-C65
400 1050 1400 2100 3150 5225 8700
A106-B
A350-LF1
A515-60
A516-60
A672-B60
A672-C60
A675-60
A696 Grade B
375 950 1250 1875 2775 4650 7725
A182-F1
A204-A
A204-B
A217-WC1
A352-LC1
A691-CM70
400 1050 1400 2100 3150 5225 8700
A182-F2
A204-C
A217-WC4
A217-WC5
A691-CM75
450 1125 1500 2250 3375 5625 9375
A182-F12
A182-F11
A217-WC6
A387-11C1.2
A739-B11
450 1125 1500 2250 3375 5625 9375
A182-F304
A182-F304H
A240-304
A240-304H
A312-TP304
A312-TP304H
A351-CF3
A351-CF8
A479-304
A479-304H
425 1100 1450 2175 3250 5400 9000
  • 1 psi (lb/in2) = 6,894.8 Pa (N/m2)

Related Topics

  • Pressure Ratings - Pressure ratings of pipes and tubes and their fittings - carbon steel , stainless steel, plastic, copper and more

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