Tank Manways is a fabricator and supplier of tank manways for all types of storage applications.

General Characteristics of Gasket Materials

Common Name Buna N/Nitrile EPDM Hi-Temp Neoprene Silicone Teflon Viton
Compression Set Good Good Fair Good Good Good Good
Abrasion Resistance Excellent Good Good Excellent Excellent Good Good
Solvent Resistance Good - Excellent Poor Fair - Good Fair Fair Excellent Excellent
Oil Resistance Good - Excellent Poor Good Fair Fair Excellent Excellent
Low Temp Usage (°F) +30 to -40 -20 to -60 Varies +10 to -50 +10 to -50 +30 to -40 +10 to -10
High Temp Usage (°F) Up to 250 Up to 350 Up to 700 Up to 250 Up to 250 Up to 250 400 to 600
Weather Aging (Sunlight) Poor Excellent Good Good Good Excellent Excellent

Conversion Factors
Length, Area, Weight, Temperature, Density, Water, Pressure, Volume, Flow Rate, PSI

Length
Multiply By To Obtain
Centimeters 0.3937 Inches
Cir. of Circle 0.3183 Diameter
Dia. of Circle 3.1416 Circum.
Feet 12.0 Inches
Inches 2.54 Centimeters
Inches 0.0833 Feet
Inches 0.0254 Meters
Inches 25.4 Millimeters
Meters 3.281 Feet
Meters 1000.0 Millimeters
Millimeters 0.03937 Inches
Millimeters 0.001 Meters
Weight
Multiply By To Obtain
Kg 2.20848 lbs
Kg 35.27 Ounces (av)
lbs 0.45359 Kg
lbs 16.00 Ounces (av)
Ounces (av) 0.02635 Kg
Ounces (av) 0.06250 lbs
Density
Multiply By To Obtain
kg/m3 0.06243 lb/ft3
lb/ft3 16.018 kg/m3
lb/in3 27680.0 kg/m3
Volume
Multiply By To Obtain
Barrels, oil 5.6146 ft3
Barrels, oil 9702.0 in3
Barrels, oil 158.99 Liters
Barrels, oil 0.15899 m3
Barrels, oil 42.0 U.S. gals.
cm3 0.06102 Ounce (fl)
(dia. sphere)3 0.5236 Volume
ft3 0.17811 Barrels, oil
ft3 1728.0 in3
ft3 28.317 Liters
ft3 0.028317 m3
ft3 7.4805 U.S. gals
Imperial gals. 0.028594 Barrels, oil
Imperial gals. 1.2009 U.S. gals.
in3 16.387 cm3
in3 0.0005787 ft3
in3 0.01639 Liters
Liters 0.0062898 Barrels, oil
Liters 0.035315 ft3
Liters 61.02 in3
Liters 33.82 Ounce (fl)
Liters 0.2642 U.S. gals.
m3 35.315 ft
m3 264.2 U.S. gals.
Ounce (fl) 29.574 cm3
Ounce (fl) 0.029574 Liters
U.S. gals. 0.023809 Barrels, oil
U.S. gals. 0.13368 ft3
U.S. gals. 0.8327 Imp. gals.
U.S. gals. 3.7854 Liters
U.S. gals. 0.00379 m3
Pressure/Vacuum in PSI
PSI mm H2O kpa kg/cm2 mbars
0.5 351.5 3.45 0.0352 34.474
1 703.1 6.89 0.0703 68.948
1.5 1054.6 10.34 0.1055 103.422
2 1406.1 13.79 0.1406 137.896
2.5 1757.7 17.24 0.1758 172.370
3 2109.2 20.68 0.2109 206.844
3.5 2460.8 24.13 0.2461 241.318
4 2812.3 27.58 0.2818 275.792
4.5 3163.8 31.03 0.3164 310.266
5 3515.4 34.47 0.3516 344.740
5.5 3866.9 37.92 0.3867 379.214
6 4218.4 41.37 0.4219 413.688
6.5 4570.0 44.82 0.4570 448.162
7 4921.5 48.26 0.4922 482.636
7.5 5273.0 51.71 0.5273 517.110
8 5624.6 55.16 0.5625 551.584
8.5 5976.1 58.61 0.5976 586.058
9 6327.6 62.05 0.6328 620.532
9.5 6679.2 65.50 0.6679 655.006
10 7030.7 68.95 0.7031 689.480
10.5 7382.3 72.40 0.7383 723.954
11 7733.8 75.84 0.7734 758.428
11.5 8085.3 79.29 0.8086 792.902
12 8436.9 82.74 0.8437 827.376
12.5 8788.4 86.19 0.8789 861.850
13 9139.9 89.63 0.9140 896.324
13.5 9491.5 93.08 0.9492 930.798
14 9843.0 96.53 0.9843 965.272
14.5 10194.5 99.97 1.0195 999.746
15 10546.1 103.42 1.0547 1034.220
Area
Multiply By To Obtain
cm2 0.155 in2
(dia of circle)2 0.7854 Area
(dia of sphere)2 3.1416 Surface
ft2 144.00 in2
ft2 0.0929 m2
in2 6.4516 cm2
in2 0.00694 ft2
in2 645.16 mm2
m2 10.764 ft2
mm2 0.00155 in2
Temperature
Multiply By To Obtain
(°F-32) 0.55555 °C
(°C x 1.8)+32)) 1.0 °F
(°C + 273.15) 1.0 K (Kelvin)
(°F + 459.67) 1.0 Rankine
Water Factors
Multiply By To Obtain
Bars 401.47 Inches H2O
Inches Hg 13.5954 Inches H2O
Inches H2O 0.07355 Inches Hg
Inches H2O 25.4 mm H2O
Inches H2O 0.5781 oz/in
Inches H2O 0.03613 lb/in2 (psi)
Inches H2O 0.00249 Bars
Inches H2O 0.00254 kg/cm
Inches H2O 0.24908 kPa
Inches H2O 1.8683 mm Hg
kg/cm2 393.71 Inches H2O
kPa 4.0147 Inches H2O
lb/in2 (psi) 27.68 Inches H2O
mbar 0.40147 Inches H2O
mm Hg 0.53525 Inches H2O
mm H2O 0.03937 Inches H2O
oz/in2 1.73 Inches H2O
U.S. gals. H2O 8.345 lbs
NOTE: H2O at 39.2°F (4°C), Hg at 32°F (0°C)
Flow Rate
Multiply By To Obtain
Barrels/hr, oil 0.0938 h3/min
Barrels/hr, oil 42.0 U.S. gals/hr
Barrels/hr, oil 0.7 U.S. gals/min
ft3/min 10.687 Barrels/hr, oil
ft3/hr 0.02832 m3/hr
Imperial gas/hr 1.2009 U.S. gals/hr
m3/hr 35.315 ft3/hr
U.S. gals/hr 0.023809 Barrels/hr, oil
U.S. gals/min 1.4285 Barrels/hr, oil
Pressure
Multiply By To Obtain
Atmospheres 101.32 kPa
Atmospheres 14.696 lb/in2 (psi)
Bars 1.0197 kg/cm
Bars 100.0 kPa
Bars 14.504 lb/in2 (psi)
Inches Hg 0.03453 kg/cm2
Inches Hg 3.3864 kPa
Inches Hg 0.4912 lb/in2 (psi)
Inches Hg 7.855 lb/in2 (psi)
kg/cm2 0.90866 Bars
kg/cm2 28.959 Inches Hg
kg/cm2 96.066 kPa
kg/cm2 14.223 lb/in2 (psi)
kPa 0.009869 Atmospheres
kPa 0.0100 Bars
kPa 0.2953 Inches Hg
kPa 0.010197 kg/cm2
kPa 0.14504 lb/in2 (psi)
lb/in2 (psi) 0.06905 Atmospheres
lb/in2 (psi) 0.068948 Bars
lb/in2 (psi) 2.036 Inches Hg
lb/in2 (psi) 0.07031 kg/cm
lb/in2 (psi) 6.8948 kPa
lb/in2 (psi) 51.714 mm Hg
mbar 0.014504 lb/in2 (psi)
mm Hg 0.039370 Inches Hg
mm Hg 0.0013595 kg/cm
mm Hg 0.019337 lb/in2 (psi)
oz/ft2 0.30515 kg/m
oz/ft2 0.127 Inches Hg
oz/ft2 0.06250 lb/in2 (psi)
NOTE: Hg at 32°F (0°C)