691 / 961
Pipe, Welding
& Tube Fittings
K
694
DPL418
877.963.4966 •
dixonvalve.comK
Rigid Couplings - Series R, Style 5
Application:
•
ideal for fire protection, plumbing, low pressure air and drainage
Features:
•
lightweight, low pressure
•
galvanized ductile iron body
•
small gripping teeth hold the housing into the groove allowing a straight run of pipe and preventing any flex at the joint
•
Underwriters Listed and Factory Mutual approved
•
see pages 695, 701 for replacement gaskets, nuts and bolts
A
B
C
4-7/8"
3-17/32"
1-27/32"
5-5/8"
3-45/64"
1-3/4"
6-3/8"
4-41/64"
1-27/32"
7-45/64"
5-15/16"
2"
10-25/32"
8-7/64"
2-3/64"
13-25/32"
10"
2-21/64"
Dimensions
Nominal
Size
Pipe
OD
Maximum
Working Pressure
PSI at
70°F (21°C)
Maximum
End Load
(Lbs.)
Bolts
Ductile Iron
qty size length
Part #
with
EPDM
gasket
Part #
with
Buna-N
gasket
2"
2.375"
175
4425
2 ⅜"
2"
R72
R72BU
2½"
2.875"
175
6490
2 ⅜"
2"
R725
R725BU
3"
3.500"
175
9620
2 ½"
2¾"
R73
R73BU
4"
4.500"
175
12720
2 ½"
2¾"
R74
R74BU
6"
6.625"
175
27570
2 ⅝"
3¼"
R76
R76BU
8"
8.625"
175
35050
2 ¾"
4¼"
R78
R78BU
Grooved Fittings