Face to Face dimensions Single-Plate Wafer Check Valves API Std.
594 Class 125-2500 Type A


 

 
NPSCLASS
15030060090015002500
2606060707070
676767838383
3737373838386
4737379102102105
69898136159159159
8127127165206206206
10146146213241248254
12181181229292305305
14184222273356356...
16191232305384384...
18203264362451468...
20219292368451533...
24222318438495559...
30305368505.........
36368483635.........
42432568701.........
48524629............
NPS15030060090015002500
CLASS

General notes:

  • Dimensions are in millimeters unless otherwise indicated.
  • The face-to-face tolerance shall be as specified in ASME B16.10 for sizes through NPS 24 and shall be 3 mm for sizes larger than NPS 24.
  • Flange faces with ring-joint grooves shall conform to the dimensions shown in either ASME B16.5 or ASME B16.47, as applicable.