An internal spigot providing a flush joint between two pieces of pipe of the same diameter. Not as strong as the Type 14 fitting, the Type 18 fitting must not be used as a load bearing joint. Note: This fitting can only be used with schedule 40 pipe. Danger: The Type 18 fitting must not be used as a load bearing joint.
Nominal Pipe Size
inches
lbs
Type
A
B
C
D
E
F
G
H
18-6
1"
2.99
0.79
0.57
18-7
1 1/4"
0.84
18-8
1 1/2"
3.74
1.19
