AI 6D Long Pattern
Dual Plate Check Valve

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Parameter = Compliance to

Design = API 6D / API 594API 6D - ISO 14313 / API 594

Pessure Temperature Rating = ASME B 16.34

Face to Face / End to End = API-6D

End Connection Dimensions = Wafer to suit PN 20 (ASME 150 Class), PN 50 (ASME 300 Class), PN 100 (ASME 600 Class)

Inspection & Testing = ISO 5208 / API 598 / BS 6755 PART I

ISO PN 20 / ASME 150 CLASS

50 65 80 100 150 200 250 300 350 400 450 500
A 101 120 133 171 218 276 336 406 447 511 546 603
B 60 67 67 73 98 127 146 181 184 191 203 219
C 60 73 89 114 168 219 273 324 356 406 457 508