Vag GA INDUSTRIES Figures 280, Installation, Operation And Maintenance Manual

Page: 5 / 5

Silent Check Valve
Item Description Standard Material
1 Body Cast Iron
2 Bushing Bronze or SS
3 Spring Stainless Steel
4 Plug Bronze or SS
5 Seat Bronze or SS
6 Seat O-Ring Rubber
7 Retaining Screw Stainless Steel
Table 1
Butterfly Valve Clearance
Size A
2½
”
1¾
”
3
”
1¾
”
4
”
1¾
”
6
”
2½
”
8
”
3¼
”
10
”
4¼
”
12
”
Not applicable
Figure 280 Globe Style
Figure 290
Wafer Style