IGF Manways with Dome Covers
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IGF manways are of the Type II construction (mat - woven). Dome covers were designed by Finite Element Analysis. Resin: Manways are stocked in Derakane 411, both MEKP and BPO DMA cure. We also have a large inventory of Derakane D470 and ISO manways. Other resins are available upon request. 110 mil Corrosion Liner: C-Veil+2 Nexus+2 Mat. All VE manways are double nexus construction. PE stamped Calculations offered upon request
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Dimensions Inches
18" Side
20" Side (30 PSI)
20" Side(15 PSI)
24" Side (30 PSI)
24" Side(20 PSI)
24" Side(10 PSI)
24" Top(0.5 PSI)
30" Side(25 PSI)
30" Top(0.5 PSI)
36" Side(25 PSI)
Length
12
12
12
12
12
12
12
12
12
12
Inside Dia.
18
20
20
24
24
24
24
30
30
36
Outside Dia.
25
27.5
27.5
32
32
32
32
38.75
38.75
46.5
Wall Thickness
0.375
0.375
0.375
0.375
0.375
0.25
0.1875
0.375
0.25
0.375
Flange Thickness
0.875
1.125
0.75
1.25
1.125
0.75
0.375
1.25
0.5
1.75
Bolt Hole Size
0.75
0.75
0.75
0.75
0.75
0.75
0.50
0.75
0.50
0.75
No. of Bolts
16
20
20
20
20
20
20
28
28
32
Spot Faced
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Bolt Circle
22.75
25
25
29.5
29.5
29.5
29.5
36
36
42.75
Hub Thickness
0.4375
0.5625
0.375
0.625
0.5625
0.375
0.1875
0.625
0.25
0.875
Hub Length
3.5
4.5
3
5
4.5
3
1.5
5
2
7
Dome Thickness
0.375
0.375
0.375
0.375
0.375
0.25
0.1875
0.5
0.25
0.375