5511 Tomken Road. Unit #1

Mississauga, Ontario L4W 4B8

905-602-2033

Phone

Mon - Fri: 8:30am - 5pm

Hours

5511 Tomken Road. Unit #1

Mississauga, Ontario L4W 4B8

905-602-2033

Phone

Mon - Fri: 8:30 - 5

Hours

Style WR & WRI to ASME B16.20 to suit ASME B16.5 flanges

SPIRALTEC GASKET CO.

For Style WRI, see section for “Inner Ring Dimensions” In accordance with ASME B16.20, Inner Rings are mandatory for the following flange designations: Class 900- NPS 24 to 48 Class 1500 – NPS 12 to NPS 24 Class 2500 – NPS 4 to NPS 12 Style WR & WRI to ASME B16.20 To Suit ASME B16.50 Flanges Gasket Dimensions

 Outside Diameter
of Sealing Element
 Over all Gasket size ID (inside sealing ring)
x OD (outer diameter of centering ring)
Nom.
Pipe Size
Class 150/300
400, 600
Class 900/1500
2500
Class
150
Class
300
Class
400
Class
600
Class
900
Class
1500
Class
2500
½
1 ¼
1 ¼
¾ x 1 ⅞
¾ x 2
 
 
¾ x 2 ½
 
¾ x 2 ¾
¾
1 9/16
1 9/16
1 x 2 ¼
1 x 2 ⅝
 
 
1 x 2 ¾
 
1 x 3
1
1 ⅞
1 ⅞
1 ¼ x 2 ⅝
1 ¼ x 2 ⅞
 
 
1 ¼ x 3 ⅛
 
1 ¼ x 3 ⅜
1 ¼
2 ⅜
2 ⅜
1 ⅞ x 3
1 ⅞ x 3 ¼
 
 
1 916 x 3 ½
 
1 916 x 4 ⅛
1 ½
2 ¾
2 ¾
2 ⅛ x 3 ⅜
2 ⅛ x 3 ¾
 
 
1 78 x 3 ⅞
 
1 ⅞ x 4 ⅝
2
3 ⅜
3 ⅜
2 ¾ x 4 ⅛
2 ¾ x 4 ⅜
 
 
2 516 x 5 ⅝
 
2 516 x 5 ¾
2 ½
3 ⅞
3 ⅞
3 ¼ x 4 ⅞
3 ¼ x 5 ⅛
 
 
2 ¾ x 6 ½
 
2 ¾ x 6 ⅝
3
4 ¾
4 ¾
4 x 5 ⅜
4 x 5 ⅞
 
 
3 ¾ x 6 ⅝
3 ⅝ x 6 ⅞
3 ⅝ x 7 ¾
3 ½
5 ¼
5 ¼
4 ½ x 6 ⅜
4 ½ x 6 ½
4 ⅛ x 6 ⅜
 
4 ⅛ x 7 ½
4 ⅛ x 7 ⅜
 
4
5 ⅞
5 ⅞
5 x 6 ⅞
5 x 7 ⅛
4 ¾ x 7
4 ¾ x 7 ⅝
4 ¾ x 8 ⅛
4 ⅝ x 8 ¼
4 ⅝ x 9 ¼
5
7
7
6 ⅛ x 7 ¾
6 ⅛ x 8 ½
5 1316 x 8 ⅜
5 1316 x 9 ½
5 1316 x 9 ¾
5 ⅝ x 10
5 ⅝ x 11
6
8 ¼
8 ¼
7 316 x 8 ¾
7 316 x 9 ⅞
6 ⅞ x 9 ¾
6 ⅞ x 10 ½
6 ⅞ x 11 ⅜
6 ¾ x 11 ⅛
6 ¾ x 12 ½
8
10 ⅜
10 ⅛
9 316 x 11
9 316 x 12 ⅛
8 ⅞ x 12
8 ⅞ x 12 ⅝
8 ¾ x 14 ⅛
8 ½ x 13 ⅞
8 ½ x 15  ¼
10
12 ½
12 ¼
11 316 x 13 ⅜
11 516 x 14 ¼
10 1316 x 14 ⅛
10 1316 x 15 ¾
10 ⅞ x 17 ⅛
10 ½ x 17 ⅛
10 ⅝ x 18 ¾
12
14 ¾
14 ¼
13 ⅜ x 16 ⅛
13 38 x 16 ⅝
12 ⅞ x 16 ½
12 ⅞ x 18
12 ¾ x 19 ⅝
12 ¾ x 20 ½
12 ½ x 21 ⅝
14
16
15 ¾
14 ⅝ x 17 ¾
14 ⅝ x 19 ⅛
14 ¼ x 19
14 ¼ x 19 ⅜
14 x 20 ½
14 ¼ x 22 ¾
 
16
18 ¼
18
16 ⅝ x 20 ¼
16 ⅝ x 21 ¼
16 ¼ x 21 ⅛
16 ¼ x 22 ¼
16 ¼ x 22 ⅝
16 x 25 ¼
 
18
20 ¾
20 ½
18 1116 x 21 ⅝
18 1116 x 23 ½
18 ½ x 23 ⅜
18 ½ x 24 ⅛
18 ¼ x 25 ⅛
18 ¼ x 27 ¾
 
20
22 ¾
22 ½
20 1116 x 23 ⅞
20 1116 x 25 ¾
20 ½ x 25 ½
20 ½ x 26 ⅞
20 ½ x 27 ½
20 ¼ x 29 ¾
 
24
27
26 ¾
24 ¾ x 28  ¼
24 ¾ x 30 ½
24 ¾ x 30 ¼
24 ¾ x 31 ⅛
24 ¾ x 33
24 ¼ x 35 ½
 
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