Pipe tap data table “a” model 3420, Purpose of tap – Goulds Pumps 3420 - IOM User Manual
Page 110
106
3420 IOM 8/09
Pipe
Tap
Data
Table
“A”
Model
3420
Purpose
of
Tap
12x14-15
16x18-17H
16x18-30
18x20-24
18x20-30
20x24-24
20x
24-28
20x24-30
24x30-32
20x30-42
30x36-42
30x30-31
30x30-38
36x42-52
Suction
C
ham
b
er
Vent
2-
3
4
”2
-
3
4
”
2
-2”
2-2”
2-2"
2-2”
2-2”
2-2”
2-2”
2-2”
2-2”
2-2”
Stuffing
Box
Seal
Rin
g
2-
1
2
”2
-
1
2
”4
1
2
“4
3
8
“4
1
2
“4
1
2
“4
3
8
“4
1
2
“4
3
8
“4
3
8
“4
3
8
“4
3
8
“
Gland
Quenching
(Packing)
2-
1
2
”2
-
1
2
”2
3
8
“4
1
2
“2
3
8
“2
3
8
“4
3
8
“2
3
8
“4
3
8
“4
3
8
“4
3
8
“4
3
8
“
Stuffing
Box
Overflow
2-
3
4
“2
-
3
4
”4
-1
"
4
3
4
“
4
-1"
4-1"
4
3
4
”
4
-1"
4-1"
4
3
4
“4
3
4
”4
3
4
“
Casing
Vent
1-
1
2
“1
-
1
2
”1
1
4
“1
1
4
”1
1
4
“1
1
4
”1
1
4
“1
1
4
”1
1
4
“1
1
4
”1
1
4
“1
1
4
”
Prim
ing
1
-
3
4
“1
-
3
4
”
1
-2"
1-2"
1-2"
1-2"
1-2"
1-2"
1-2"
1-2"
1-2"
1-2"
Ball
Bearing
C
ooling
(Opt.)
4-
1
4
“4
-
1
4
”4
3
4
“4
-1
1
4
”4
3
4
“4
3
4
”4
-1
1
4
“4
3
4
”4
-1
"
—
—
—
Oil
D
rain
2
-
1
4
“2
-
1
4
”2
1
2
“2
1
2
”2
1
4
“2
1
4
”2
1
2
“2
1
4
”2
1
2
“2
1
4
”2
1
4
“2
1
4
”
Suction
&
Discharge
Gauge
2-
1
2
“2
-
1
2
”4
1
4
“4
1
4
”4
1
4
“4
1
4
”4
1
4
“4
1
4
”4
1
4
“4
1
4
”4
1
4
“4
1
4
”
Casing
Drain
2-
3
4
“2
-
3
4
”
2
-1"
2-1"
2-1"
2-1"
2-1"
2-1"
2-1"
2-1"
2-1"
2-1"
Bypass-Casing
to
Stuffing
Box
——
2
1
2
“2
3
8
”2
1
2
“2
1
2
”2
3
8
“2
1
2
”2
3
8
“2
3
8
”2
3
8
“2
3
8
”
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