We offer a complete line of FRP stub flanges. We are a manufacturer of fiberglass products and all of our FRP Flanges are manufactured at our ISO 9001: 2000 factory.
Frp Flanges are used in corrosion resistant applications when connecting pipes and tanks.
FRP Blind Flanges
FRP Flanges
FRP Manhole
FRP Cover
FRP U-Vent
Manufactured to conform to PS 15-69 ASTM D5421
build up 100 mil resin rich Corrosion Liner Hand Laid, Integral type construction,
woven roving used continuously from flange face to hub from 3inch and larger.
Uniform external surface and stub outside diameter with stub end surface prepared for immediate bonding
ADVANTAGES:
1. smooth surface 2. light weight
3. high strength 4. easy installation.
5. firm and reliably sealing
| Nominal |
Pressure |
Stub |
Flange |
Flange |
No. of |
Bolt Hole |
| Diameter |
Rating (psi) |
Thickness |
Diameter |
Thickness |
Bolts |
Diameter |
| 1/2" |
150 |
0.25 |
3.75" |
0.625" |
4 |
0.625" |
| 3/4" |
150 |
0.25" |
4.125" |
0.625" |
4 |
0.625" |
| 1" |
150 |
0.25" |
4.50" |
0.625" |
4 |
0.625" |
| 1.5" |
150 |
0.25" |
5.50" |
0.6875" |
4 |
0.625" |
| 2" |
150 |
0.25" |
6.50" |
0.6875" |
4 |
0.75" |
| 2.5" |
150 |
0.25" |
7.50" |
0.75" |
4 |
0.75" |
| 3" |
150 |
0.25" |
8.00" |
0.8125" |
4 |
0.75" |
| 4" |
150 |
0.25" |
9.50" |
0.9375" |
8 |
0.75" |
| 5" |
150 |
0.375" |
10.50" |
1.00" |
8 |
0.875" |
| 6" |
150 |
0.375" |
11.50" |
1.0625" |
8 |
0.875" |
| 8" |
150 |
0.4375" |
14.00" |
1.00" |
8 |
0.875" |
| 10" |
150 |
0.25" |
16.50" |
1.00" |
12 |
1.00" |
| 12" |
150 |
0.25" |
19.50" |
1.00" |
12 |
1.00" |
| 14" |
150 |
0.75" |
21.50" |
1.875" |
12 |
1.125" |
| 16" |
150 |
0.8125" |
21.25" |
2.00" |
16 |
1.125" |
| 18" |
150 |
1.00" |
25.50" |
2.25" |
16 |
1.25" |
| 20" |
150 |
1.00" |
28.00" |
2.4375" |
20 |
1.25" |
| 24" |
150 |
1.25" |
32.50" |
2.8125" |
20 |
1.375" |
| 30" |
150 |
1.50" |
39.25" |
3.00" |
28 |
1.375" |
| 36" |
150 |
1.75" |
46.00" |
3.50" |
32 |
1.625" |
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