Cameron Demco Manual de instalação, operação e manutenção - Página 8
Procurar online ou descarregar pdf Manual de instalação, operação e manutenção para Unidade de controlo Cameron Demco. Cameron Demco 11 páginas. Resilient-seated butterfly valve
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Bolt
Size
Circle
(in)
Dia (in)
2
4.75
2-1/2
5.50
3
6.00
4
7.50
5
8.50
6
9.50
8
11.75
10
14.25
12
17.00
14
18.75
16
21.25
18
22.75
1-1/8-7
20
25.00
1-1/8-7
24
29.50
1-1/4-7
30
36.00
1-1/4-7
36
42.75
1-1/2-6
* - 24 Studs 1 1/4" - 7 x 15.50" ; 8 Capscrews 1 1/4" - 7 x 5.00"
** - 28 Studs 1 1/2" - 6 x 18.50" ; 8 Capscrews 1 1/2" - 6 x 5.50"
*** - 56 Capscrews 1 1/2" - 6 x 6.00" ; 8 Capscrews 1 1/2" - 6 x 5.50"
DISC/PIPE CLEARANCE
Before beginning installation, disc/pipe clearance should be checked (Figure 10) to avoid the possibility of scraping
the disc edge on the pipe ID and damaging the sealing surface. Minimum pipe ID requirements are shown below in
Table 5.
TC-003001-01 / Rev 2
Table 4
Wafer Body
Bolt
Stud
Size
Qty
Length (in)
'A'
5/8-11
4
5.00
5/8-11
4
5.50
5/8-11
4
5.50
5/8-11
8
5.75
¾-10
8
6.50
¾-10
8
6.50
¾-10
8
7.00
7/8-9
12
7.50
7/8-9
12
8.25
1-8
12
8.25
1-8
16
10.00
16
10.50
20
11.75
20
12.50
*
**
Lug Body
Capscrew
Qty
Length (in)
'B'
8
1.50
8
1.50
8
1.75
16
1.75
16
1.75
16
2.00
16
2.25
24
2.25
24
2.50
24
2.50
32
3.25
32
3.50
40
4.00
40
4.00
*
56
5.00
**
***
***
Figure 10
8
Wafer Body
Studs & Hex Nuts
Studs & Hex Nuts
Lug Body
Lug Body
Capscrew
Capscrews
B