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PERFORATION GUIDE

IPA Standard Perforations

The enormous number of perforating patterns possible with round holes, squares, slots, and other special perforations makes it impractical to list every combination. The following IPA numbered perforations listed and illustrated here are common and considered Standard. The die banks of the IPA have thousands of additional patterns. For specific requirements not met with these standard patterns, Contact Fluidtrol.

Click on an IPA Number below to see more detail.

IPA
Numbers
Perfor-
ations

Centers
Holes/
sq.in.
Open
area

Line
.020"
---
625
20%
Staggered
.023"
---
576
24%
Straight
.027"
---
400
23%
Straight
.032"
---
324
26%
Straight
.040"
---
225
30%
Straight
.045"
---
224
37%
Straight
1/16"
1/8"
---
23%
Staggered
5/64"
7/64"
---
41%
Staggered
5/64"
1/8"
---
36%
Staggered
3/32"
5/32"
---
32%
Staggered
3/32"
3/16"
---
23%
Staggered
3/32"
1/4"
---
12%
Staggered
1/10"
5/32"
---
36%
Staggered
1/8"
3/16"
---
40%
Staggered
1/8"
7/32"
---
29%
Staggered
1/8"
1/4"
---
23%
Staggered
5/32"
7/32"
---
46%
Staggered
5/32"
1/4"
---
36%
Staggered
3/16"
1/4"
---
51%
Staggered
3/16"
5/16"
---
33%
Staggered
1/4"
5/16"
---
58%
Staggered
1/4"
3/8"
---
40%
Staggered
1/4"
7/16"
---
30%
Staggered
1/4"
1/2"
---
23%
Staggered
3/8"
1/2"
---
51%
Staggered
3/8"
9/16"
---
40%
Staggered
3/8"
5/8"
---
33%
Staggered
7/16"
5/8"
---
45%
Staggered
1/2"
11/16"
---
47%
Staggered
9/16"
3/4"
---
51%
Staggered
5/8"
13/16"
---
53%
Staggered
3/4"
1"
---
51%
Staggered

 

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Fluidtrol Process Technologies, Inc.

645 Stuart Lane
P.O. Box 1418 Pelham, AL 35124

 

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