Ø bc ø id h ø bd w, Ø od – Ashcroft 80-81 - Isolation Rings User Manual
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5
DIMENSION DRAWINGS (cont.)
4 - DIMENSION
DRAWINGS
Type 81 Bolt-Thru Isolation Ring
Ø BC
Ø ID
H
Ø BD
W
Ø OD
ANSI
Nominal
Inner
Outer
Bolt
Bolt
No. Of
ASME
Pipe
Diameter Diameter
Width
Circle
Diameter
Bolt
Class
Size
(ID)
(OD)
(W)
(BC)
(BD)
Holes
2˝
2.07
6.00
2.00
4.75
0.75
4
–
2.04
1.70
12.0
3˝
3.07
7.50
2.00
6.00
0.75
4
–
2.04
1.70
18.4
150
4˝
4.03
9.00
1.50
7.50
0.75
8
–
2.04
1.70
18.6
6˝
6.07
11.00
1.50
9.50
0.88
8
–
2.04
1.70
23.9
8˝
7.98
13.50
1.50
11.75
0.88
8
–
2.04
1.70
34.5
10˝
10.02
16.00
1.50
14.25
1.00
12
–
2.04
1.70
44.5
2˝
2.07
6.50
2.00
5.00
0.75
8
–
2.04
1.70
13.8
3˝
3.07
8.25
2.00
6.62
0.88
8
–
2.04
1.70
22.0
300
4˝
4.03
10.00
1.50
7.88
0.88
8
–
2.04
1.70
24.5
6˝
6.07
12.50
1.50
10.62
0.88
12
–
2.04
1.70
34.9
8˝
7.98
15.00
1.50
13.00
1.00
12
–
2.04
1.70
47.1
10˝
10.02
17.50
1.50
15.25
1.13
16
–
2.04
1.70
58.8
Instrument Removal (H)
None
Safe Quick
Needle
Weight
Release (SQR)
Valve
Lbs.
I&M008-10223_USER_layout 6/17/14 3:27 PM Page 5