Farris Engineering Valve Orifice Areas

6400/6600 Series
Serial # S3 / T3
Orifice Label
API Effective Area
Actual ASME Area
D
0.110
0.150
E
0.196
0.225
F
0.307
0.371
G
0.503
0.559
H
0.785
0.873
J
1.287
1.430
K
1.838
2.042
L
2.853
3.170
M
3.60
4.00
N
4.34
4.822
P
6.38
7.087
For > 4" inlet please contact our offices

ASME Section I & VIII Certified
Call for sizing assistance.