SKU: GTF

Tanged Graphite Flange Gaskets Full Face

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Full faced tanged graphite gasket. Gasket material is made out of pure expanded mineral graphite laminate with a 316/316L stainless steel tanged insert (0.1 mm.). 

Due to the characteristics of graphite this is a high quality material with universal use in a high pressure high temperature service.

Technical Data
Density 1.4 g/cm3
Compressibility 35 %
Recovery ASTM F-36 >15 %
Gas permeability (mg / s x m) DIN 3535 m <0.10
Residual Stress >45
Temperature -200 to 1000ºC (Vapor 650ºC) (Atm.oxidante 500ºC)
Graphite data
Graphite density ( g/cm3 ) ASTM C-559 1.0
Content of: graphite / ash / Cl / F >99% ppm / 1% / <50ppm / <100 ppm

Full Face Gasket Dimensions

FULL FACE GASKET DIMENSIONS

ANSI
ANSI 150
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 89 21 60 4 16
20mm 98 27 70 4 16
25mm 108 33 79 4 16
32mm 118 42 89 4 16
40mm 127 48.4 98 4 16
50mm 152 60.3 121 4 19
65mm 178 73 140 4 19
80mm 191 89 152 4 19
100mm 229 114.3 191 8 19
125mm 254 141.3 216 8 22
150mm 279 168 241 8 22
200mm 343 219 299 8 22
250mm 406 273 362 12 25
300mm 483 324 432 12 25
350mm 533 356 476 12 29
400mm 597 406 540 16 28
450mm 635 457 578 16 32
500mm 699 508 635 20 32
600mm 813 610 749 20 35
ANSI 300
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 21 67 4 16
20mm 118 27 83 4 19
25mm 124 33 89 4 19
32mm 133 42 98 4 19
40mm 156 48.4 114 4 22
50mm 165 60.3 127 8 19
65mm 191 73 149 8 22
80mm 210 89 168 8 22
100mm 254 114.3 200 8 22
125mm 279 141.3 235 8 22
150mm 318 168 270 12 22
200mm 381 219 330 12 25
250mm 445 273 387 16 29
300mm 520 324 451 16 32
350mm 584 356 514 20 32
400mm 648 406 572 20 35
450mm 711 457 629 24 35
500mm 755 508 686 24 35
600mm 914 610 813 24 41
ANSI 600
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 21 67 4 16
20mm 118 27 83 4 19
25mm 124 33 89 4 19
32mm 133 42 98 4 19
40mm 156 48.4 114 4 22
50mm 165 60.3 127 8 19
65mm 191 73 149 8 22
80mm 210 89 168 8 22
100mm 273 114.3 216 8 25
125mm 330 141.3 267 8 28
150mm 356 168 292 12 29
200mm 419 219 349 12 32
250mm 508 273 432 16 35
300mm 559 324 489 20 35
350mm N/A 356 N/A N/A N/A
400mm N/A 406 N/A N/A N/A
450mm N/A 457 N/A N/A N/A
500mm N/A 508 N/A N/A N/A
600mm N/A 610 N/A N/A N/A
ANSI 900
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 121 21 83 4 22
20mm 130 27 89 4 22
25mm 149 33 102 4 25
32mm 159 42 111 4 25
40mm 178 48.4 124 4 29
50mm 216 60.3 165 8 25
65mm 245 73 191 8 28
80mm 141 89 191 8 25
100mm 292 114.3 235 8 32
125mm 349 141.3 279 8 35
150mm 381 168 318 12 32
200mm 470 219 394 12 38
250mm 546 273 470 16 38
300mm 610 324 533 20 38
350mm N/A 356 N/A N/A N/A
400mm N/A 406 N/A N/A N/A
450mm N/A 457 N/A N/A N/A
500mm N/A 508 N/A N/A N/A
600mm N/A 610 N/A N/A N/A
DIN
DIN PN10
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 22 65 4 14
20mm 105 28 75 4 14
25mm 115 35 85 4 14
32mm 140 43 100 4 18
40mm 150 49 110 4 18
50mm 165 61 125 4 18
65mm 185 77 145 4 18
80mm 200 90 160 8 18
100mm 220 115 180 8 18
125mm 250 141 210 8 18
150mm 285 169 240 8 22
200mm 340 220 295 8 22
250mm 395 274 350 12 22
300mm 445 325 400 12 22
350mm 505 368 460 16 22
400mm 565 420 515 16 26
450mm 615 470 565 20 26
500mm 670 520 620 20 26
600mm 780 620 725 20 30
DIN PN16
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 22 65 4 14
20mm 105 28 75 4 14
25mm 115 35 85 4 14
32mm 140 43 100 4 18
40mm 150 49 110 4 18
50mm 165 61 125 4 18
65mm 185 77 145 4 18
80mm 200 90 160 8 18
100mm 220 115 180 8 18
125mm 250 141 210 8 18
150mm 285 169 240 8 22
200mm 340 220 295 12 22
250mm 405 274 355 12 26
300mm 460 325 310 12 26
350mm 520 368 470 16 26
400mm 580 420 525 16 30
450mm 640 470 585 20 30
500mm 715 520 650 20 33
600mm 840 620 770 20 36
DIN PN25
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 22 65 4 14
20mm 105 28 75 4 14
25mm 115 35 85 4 14
32mm 140 43 100 4 18
40mm 150 49 110 4 18
50mm 165 61 125 4 18
65mm 185 77 145 8 18
80mm 200 90 160 8 18
100mm 235 115 190 8 22
125mm 270 141 220 8 26
150mm 300 169 250 8 26
200mm 360 220 310 12 26
250mm 425 274 370 12 30
300mm 485 325 430 16 30
350mm N/A 368 N/A N/A N/A
400mm N/A 420 N/A N/A N/A
450mm N/A 470 N/A N/A N/A
500mm N/A 520 N/A N/A N/A
600mm N/A 620 N/A N/A N/A
DIN PN40
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 22 65 4 14
20mm 105 28 75 4 14
25mm 115 35 85 4 14
32mm 140 43 100 4 18
40mm 150 49 110 4 18
50mm 165 61 125 4 18
65mm 185 77 145 8 18
80mm 200 90 160 8 18
100mm 235 115 190 8 22
125mm 270 141 220 8 26
150mm 300 169 250 8 26
200mm 375 220 320 12 30
250mm 450 274 385 12 33
300mm 515 325 450 16 33
350mm N/A 368 N/A N/A N/A
400mm N/A 420 N/A N/A N/A
450mm N/A 470 N/A N/A N/A
500mm N/A 520 N/A N/A N/A
600mm N/A 620 N/A N/A N/A
BS 3063
Table D
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 21 67 4 14
20mm 102 27 73 4 14
25mm 114 34 83 4 14
32mm 121 43 87 4 14
40mm 133 48 98 4 14
50mm 152 60 114 4 19
65mm 165 76 127 4 19
80mm 184 89 146 4 19
100mm 216 114 178 4 19
125mm 254 140 210 8 19
150mm 279 168 235 8 19
200mm 337 219 292 8 19
250mm 406 273 356 8 22
300mm 457 324 406 12 22
350mm 527 381 470 12 25
400mm 578 432 521 12 25
450mm 641 483 584 12 25
500mm 705 533 641 16 25
600mm 825.5 635 756 16 29
Table E
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Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 21 67 4 14
20mm 102 27 73 4 14
25mm 114 34 83 4 14
32mm 121 43 87 4 14
40mm 133 48 98 4 14
50mm 152 60 114 4 19
65mm 165 76 127 4 19
80mm 184 89 146 4 19
100mm 216 114 178 8 19
125mm 254 140 210 8 19
150mm 279 168 235 8 22
200mm 337 219 292 8 22
250mm 406 273 356 12 22
300mm 457 324 406 12 25
350mm 527 381 470 12 25
400mm 578 432 521 12 25
450mm 641 483 584 16 25
500mm 705 533 641 16 25
600mm 825.5 635 756 16 32
Table F
Scroll sideways to see full table
Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 95 21 67 4 14
20mm 102 27 73 4 14
25mm 121 34 87 4 19
32mm 133 43 98 4 19
40mm 140 48 105 4 19
50mm 165 60 127 4 19
65mm 184 76 146 8 19
80mm 203 89 165 8 19
100mm 229 114 191 8 19
125mm 279 140 235 8 22
150mm 305 168 260 12 22
200mm 368 219 324 12 22
250mm 432 273 381 12 25
300mm 489 324 438 16 25
350mm 552 381 495 16 29
400mm 610 432 552 20 29
450mm 673 483 610 20 32
500mm 737 533 673 24 32
600mm 851 635 781 24 35
Table H
Scroll sideways to see full table
Size Outside Diameter
(mm)
Inside Diameter
(mm)
PCD
(mm)
Number of
Holes
Bolt Hole Size
(mm)
15mm 114 21 83 4 19
20mm 114 27 83 4 19
25mm 121 34 87 4 19
32mm 133 43 98 4 19
40mm 140 48 105 4 19
50mm 165 60 127 4 19
65mm 184 76 146 8 19
80mm 203 89 165 8 19
100mm 229 114 191 8 19
125mm 279 140 235 8 22
150mm 305 168 260 12 22
200mm 368 219 324 12 22
250mm 432 273 381 12 25
300mm 489 324 438 16 25
350mm 552 381 495 16 29
400mm 610 432 552 20 29
450mm 673 483 610 20 32
500mm 737 533 673 24 32
600mm 851 635 781 24 35

Thickness 1.5mm & 3.0mm
Temperature Limit -200 to 1000ºC
Application Steam, Refinery, Prochemical & Industrial Industries 

  • What is a Tanged Graphite Full Face Gasket?

    A Tanged Graphite Full Face Gasket is a gasket that is cut to encompass the full face of the flange including bolt holes. The gasket is made out of Graphite with a 316 Stainless Steel tang through it. This combination gives the gasket characteristics including strength, temperature and chemical resistance.

  • How does a Tanged Graphite Full Face Gasket work?

    This works by the Tanged Graphite forming a softer layer between two hard surfaces which allows a seal to form. Tanged Graphite is not the softest sealing material available but is considered softer than other metallic gaskets such as spiral wounds. This will allow an easier seal as the material is more workable.

  • What Thickness Tanged Graphite Full Face Gasket should I choose?

    This really comes down to two factors; what is the condition of the current flange faces and what is the user preference. As a general rule of thumb you should go with the thinner gasket (within reason) as it will actually handle a higher pressure. This can seem counterintuitive but there is less of the gasket material in contact with the media so more is retained by the two flange faces. However if the flange faces are pitted or a little uneven you should pick a thicker gasket as it will need more material to work into these spaces to allow a better seal. Also some users have a preference of thickness to work with.

  • How long will my Full Face Tanged Graphite Gasket last?

    This really depends upon the environment, media, temperature and pressure where the gasket is installed. However, Tanged Graphite has a very long life time. It may be reused if it hasn't bound to the surface of the flange which sometimes can happen depending upon the temperature and pressure of the media.

  • What are typical uses of a Full Face Tanged Graphite Gasket?

    These have a very wide range of use cases however they are very popular on steam and boiler systems. They can be used in a multitude of other cases especially where there is a high temperature media.

  • How do I install a Full Face Tanged Graphite Gasket?

    The two mating surfaces which the Tanged Graphite will form the seal between need to be thoroughly cleaned to make sure there is no dirt or debris on the faces. Once this is achieved and the surfaces look clean the two ends can be bought together with the Tanged Graphite forming the middle seal. Care must be taken to ensure the Tanged Graphite is concentric in the pipe so it is not in the flow path and is mating on the sealing surfaces only. The full face cut on the gasket will help here as it has holes for the bolts to go through. Once this is achieved the pipe/flange bolts can be tightened in a diagonal direction to ensure an even sealing pressure is achieved. If you need a full Gasket installation guide there is one available here.

  • How long will my product take to get to me? 

    This depends upon where you are based and the freight method chosen. If the express freight option is selected it is usually next day delivery to metropolitan areas in Australia for under 5kg. If free freight has been selected it will go by road freight which can be anywhere from 1 to 10 days depending upon your location. It usually averages 3 days.

  • What warranty do I get?

    These gaskets do not have a warranty per ce as it really depends upon the user in terms of installation and application. The good news is we have very strict quality controls and all Full Face Tanged Graphite Gaskets are inspected so there are rarely any issues. They are also cut by our CNC machine so they are dimensionally very accurate.

DATA SHEET
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