F-GD-4, Type F-GD Flange Mounted Sight Glass

Size 4 in
101.6 mm
Inner Diameter (I.D.) 3 13/16 in
96.84 mm
Dimension Q .875 in
22.22 mm
Dimension Y 1.4375 in
36.51 mm
Factory Mutual Approved factory-mutual-approved-and-registered-in-canada
Flange Material ASTM A-105 Stainless Steel
ASTM A-182
Forged Steel
Pressure Rating 100 psig
Operating Temperature 450 ºF
232 ºC
Tolerance ± 0.0025 in
± 1/64 mm
Note F-GD should mount to equal to or smaller I.D. to insure proper gasket seal.

F-GD: Standard ANSI connection low pressure unit 100 psi max.