Penn Machine
Class 3000 Threaded Union (ORIFICE - TAB) TYPE
PENN CATALOG FIG NO. 03038
All A105, 304/L, and
316/L receive a 316
type plate.Other material receive
an identical material plate
to the union material.
Orifice Hole Flow Rate Chart
( click here )
Nominal Pipe Size
1/8"
1/4"
3/8"
1/2"
3/4"
1"
1-1/4"
1-1/2"
2"
Dimension A
1-3/4
1-3/4
1-7/8
2
2-5/16
2-1/2
2-7/8
3-1/16
3-7/16
Dimension B
55/64
55/64
1-1/32
1-15/64
1-15/32
1-51/64
2-11/64
2-7/16
2-31/32
Dimension C
1-3/8
1-3/8
1-5/8
1-13/16
2-1/4
2-9/16
3-1/16
3-7/16
4-1/16
Approx.Wt.(lbs)
.40
.38
.52
.73
1.19
1.66
2.66
3.42
5.36
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James Friant
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