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| Style 1250 | ||
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PTFE Bonded EPDM Rubber Gaskets The PTFE is bonded to the EPDM rubber for chemical and
corrosion resistance. This gasket has concentric convex sealing rings to
aid optimum sealing at lower bolt loads. The self centering gasket offers
superior sealing for hazard media at low bolt torque. The totally bonded
elastomer and Teflon construction is ideally suited for fiberglass, glass
lined and steel flanges. These gaskets will virtually eliminate cracked
flanges, reducing your installation cost, while maintaining a high performance
seal.
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| Full Face Gaskets for 150 lb ASME/ANSI Pipe Flanges |
| Nominal
Pipe Size |
Gasket | Number of Bolt Holes | Diameter of Bolt Holes | Bolt Circle |
D2 |
D3 | D4 | |
| I.D. | O.D. | |||||||
| 1/2" | .71" | 3.50" | 4 | .62" | 2.38" | .94" | 1.41" | |
| 3/4" | .86" | 3.88" | 4 | .62" | 2.75" | 1.30" | 1.77" | |
| 1" | 1.17" | 4.25" | 4 | .62" | 3.12" | 1.47" | 2.08" | |
| 1 1/4" | 1.25" | 4.63" | 4 | .62" | 3.50" | 1.75" | 2.33" | |
| 1 1/2" | 1.51" | 5.00" | 4 | .62" | 3.88" | 1.93" | 2.52" | |
| 2" | 2.00" | 6.00" | 4 | .75" | 4.75" | 2.52" | 3.01" | 3.50" |
| 2 1/2" | 2.50" | 7.00" | 4 | .75" | 5.50" | 3.02" | 3.76" | 4.01" |
| 3" | 2.99" | 7.50" | 4 | .75" | 6.00" | 3.51" | 4.14" | 4.72" |
| 3 1/2" | 3.46" | 8.50" | 8 | .75" | 7.00" | 3.96" | 4.57" | 5.14" |
| 4" | 3.98" | 9.00" | 8 | .75" | 7.50" | 4.47" | 5.04" | 5.66" |
| 5" | 4.97" | 10.00" | 8 | .88" | 8.50" | 5.48" | 6.07" | 6.67" |
| 6" | 5.98" | 11.00" | 8 | .88" | 9.50" | 6.48" | 7.06" | 7.67" |
| 8" | 7.96" | 13.50" | 8 | .88" | 11.75" | 8.36" | 9.02" | 9.63" |
| 10" | 9.93" | 16.00" | 12 | 1.00" | 14.25" | 10.36" | 11.15" | 11.86" |
| 12" | 11.84" | 19.00" | 12 | 1.00" | 17.00" | 12.33" | 13.10" | 13.82" |
| 14" | 13.87" | 21.00" | 12 | 1.12" | 18.75" | 14.64" | 15.37" | 16.10" |
| 16" | 15.81" | 23.50" | 16 | 1.12" | 21.25" | 16.46" | 17.26" | 18.01" |
| 18" | 17.90" | 25.00" | 16 | 1.25" | 22.75" | 18.67" | 19.30" | 19.89" |
| 20" | 19.96" | 27.50" | 20 | 1.25" | 25.00" | 20.89" | 21.51" | 22.12" |
| 24" | 23.94" | 32.00" | 20 | 1.37" | 29.50" | 24.80" | 25.42" | 25.98" |
| Also Available:
Style 7051 Viton -20F/-29C to 450F/232C Style 7052 Viton GF for Better Chemical Resistance -20F/-29C
to 450F/232C
Minimum Recommended Bolt Torque Ft/Lbs
Above values could change depending on pressure, temperature and service |
| Phelps Industrial Products, Inc., 6300 Washington Boulevard, Elkridge, Maryland 21075-5397 |