AI 6D Short Pattern
Single Plate Wafer Check Valve

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Parameter = Compliance to

Design = API 6D / 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

ISO PN 20 / ASME 150 CLASS

50 65 80 100 150 200 250 300 350 400 450 500
A 30 38 52 72 114 157 195 230 270 310 360 406
B 19 19 19 19 19 29 29 38 44 51 60 64
C 104.5 120 133 171 219 276 337 406 446 508 542 598