IM 01E20D01-01E
3-19
3.  INSTALLATION
3.3.5 Gaskets Size
Be sure to choose a gasket with an inner and outer diameter that does not protrude inside the piping.
If the inner diameter of the gasket is too large, or outer diameter of the gasket is too small, fluid leakage may result.
Table 3.3.16 Inner Diameter of Grounding Ring, Outer Diameter for Effective Sealing and Recommended Inner Diameter of Gasket
Unit : mm (in.)
AXF Standard:
*1: The inner diameter of the process connection code: DD4, DJ, DJ2 is values in brackets [ ].
PFA/ Polyurethane Rubber/ Natural Soft Rubber/ EPDM Rubber
Ceramics
Size
Inner Diameter 
of Grounding 
Ring
[øA]
Outer Diameter 
for Effective 
Sealing
[øB]
Water
Flange
T25.EPS
2.5 (0.1)
5 (0.2)
10 (0.4)
15 (0.5)
25 (1.0)
32 (1.25)
40 (1.5)
50 (2.0)
65 (2.5)
80 (3.0)
100 (4.0)
125 (5.0)
150 (6.0)
200 (8.0)
250 (10)
300 (12)
350 (14)
400 (16)
15 (0.59)
15 (0.59) 
15 (0.59) 
15 (0.59) 
28 (1.10) 
34 (1.34) 
41 (1.61) 
53 (2.09) 
66 (2.60) 
77 (3.03) 
102 (4.02) 
128 (5.04) 
146.1 (5.75) 
193.6 (7.62) 
243.7 (9.59)
294.7 (11.60)
–
–
38 (1.50)
38 (1.50)
38 (1.50)
38 (1.50)
53 (2.09)
58 (2.28)
71 (2.80)
84 (3.31)
103 (4.06)
114 (4.49)
140 (5.51)
165 (6.50)
190 (7.48)
240 (9.45)
300 (11.81)
348 (13.70)
–
–
30 (1.18)
30 (1.18)
30 (1.18)
34 (1.34)
53 (2.09)
58 (2.28)
71 (2.80)
84 (3.31)
103 (4.06)
114 (4.49)
140 (5.51)
165 (6.50)
190 (7.48)
240 (9.45)
315 (12.40)
360 (14.17)
405 (15.94)
465 (18.31)
–
–
–
15 (0.59)
27 (1.06)
–
40 (1.57)
52 (2.05)
–
81 (3.19)
98 (3.86)
–
144 (5.67)
192 (7.56)
–
–
–
–
–
–
–
33 (1.30)
50 (1.97)
–
68 (2.68)
82 (3.23)
–
112 (4.41)
134 (5.28)
–
188 (7.40)
240 (9.45)
–
–
–
–
15 (0.59) [12 (0.47)] *1 
15 (0.59) [12 (0.47)] *1 
15 (0.59) [12 (0.47)] *1 
15 (0.59) 
28 (1.10) 
34 (1.34) 
41 (1.61) 
53 (2.09) 
66 (2.60) 
77 (3.03) 
102 (4.02) 
128 (5.04) 
146.1 (5.75) 
193.6 (7.62) 
243 (9.57)
291.3 (11.47)
323.4 (12.73)
373.5 (14.70)
Flat Gasket
[øC]
PTFE-
sheathed 
Non-
asbestos 
Gasket
[øD]
Inner Diameter of 
Grounding Ring
[øA]
Outer 
Diameter 
for Effective 
Sealing
[øB]
Flat Gasket
[øC]
PTFE-sheathed 
Non-asbestos 
Gasket
[øD]
Inner 
Diameter of 
Grounding 
Ring
[øA]
Outer 
Diameter for 
Effective 
Sealing
[øB]
Flat Gasket
[øC]
PTFE-
sheathed 
Non-
asbestos 
Gasket
[øD]
22 (0.87)
35 (1.38)
43 (1.69)
49 (1.93)
61 (2.40)
84 (3.31)
90 (3.54)
115 (4.53)
141 (5.55)
167 (6.57)
218 (8.58)
270 (10.63)
321 (12.64)
–
–
17 (0.67)
17 (0.67)
17 (0.67)
22 (0.87)
35 (1.38)
43 (1.69)
49 (1.93)
61 (2.40)
84 (3.31)
90 (3.54)
115 (4.53)
141 (5.55)
167 (6.57)
218 (8.58)
270 (10.63)
321 (12.64)
359 (14.13)
410 (16.14)
22 (0.87)
22 (0.87)
22 (0.87)
17 (0.67) [15 (0.59)]*1
17 (0.67) [15 (0.59)]*1
17 (0.67) [15 (0.59)]*1
22 (0.87) [19 (0.75)]*1
22 (0.87) [19 (0.75)]*1
22 (0.87) [19 (0.75)]*1
–
–
–
22 (0.87)
35 (1.38)
–
49 (1.93)
61 (2.40)
–
90 (3.54)
115 (4.53)
–
167 (6.57)
218 (8.58)
–
–
–
–
Recommended Inner 
Diameter of Gasket
Recommended Inner Diameter of Gasket
Recommended Inner 
Diameter of Gasket
T16-3.EPS
Unit : mm (in.)
Replacement Model for earlier ADMAG or ADMAG AE:     
PFA/ Polyurethane Rubber
Size
Inner Diameter 
of Grounding 
Ring
[øA]
Outer Diameter 
for Effective 
Sealing
[øB]
Water
Flange
2.5 (0.1)
5 (0.2)
10 (0.4)
15 (0.5)
25 (1.0)
40 (1.5)
50 (2.0)
80 (3.0)
100 (4.0)
150 (6.0)
200 (8.0)
250 (10)
15 (0.59)
15 (0.59)
15 (0.59)
15 (0.59)
27 (1.06)
40 (1.57)
52 (2.05)
81 (3.19)
98 (3.86)
140.7 (5.54)
188.9 (7.44)
–
38 (1.50)
38 (1.50)
38 (1.50)
38 (1.50)
56 (2.20)
71 (2.80)
85 (3.35)
115 (4.53)
144 (5.67)
190 (7.48)
240 (9.45)
–
–
–
–
–
–
–
–
–
–
205 (8.07)
255 (10.04)
315 (12.40)
–
–
–
–
–
–
–
–
–
140.7 (5.54)
188.9 (7.44)
243 (9.57)
Flat Gasket
[øC]
PTFE-
sheathed 
Non-
asbestos 
Gasket
[øD]
Recommended Inner 
Diameter of Gasket
Inner Diameter of 
Grounding Ring
[øA]
Outer 
Diameter 
for Effective 
Sealing
[øB]
Flat Gasket
[øC]
PTFE-sheathed 
Non-asbestos 
Gasket
[øD]
Recommended Inner Diameter of Gasket
22 (0.87)
35 (1.38)
49 (1.93)
61 (2.40)
90 (3.54)
115 (4.53)
167 (6.57)
218 (8.58)
–
17 (0.67)
17 (0.67)
17 (0.67)
–
–
–
–
–
–
–
–
–
167 (6.57) 
218 (8.58)
270 (10.63)
22 (0.87)
22 (0.87)
22 (0.87)
Lining
AXF
Flowtube
Grounding Ring
Flat Gasket
PTFE-sheathed Non-asbestos Gasket
Size of Inner Diameter of Grounding Ring, 
Outer Diameter for Effective Sealing and 
Recommended Inner Diameter of Gasket:
øCøD
øB
øA*2
*2: Do not have this length be smaller than
the inner diameter of grounding ring  (øA).