DeZURIK
3-20” BAW AWWA Butterfly Valves
D10386
Page 6
August 2013
Installation
(Continued)
Installing Valves using Class 200 PVC
When installing valves with mechanical joint ends on Class 200 (DR 14 or higher) PVC pipe, call
DeZURIK customer service if you have any problems or questions with this procedure
1.
Chamfer the ID of the pipe as shown in Table A to provide clearance for the valve disc.
Table A: Chamfer Requirements
Valve
Size
Pipe
Pressure
Class
Pipe
Dimension
Ratio
Chamfer
Seat Side
Chamfer
Opposite
Seat
Min.
Chamfer
Dia. (in)
Chamfer
Angle
4
200
14
No
No
N/A
N/A
6
200
14
8
200
14
10
200
14
Yes
No
9.62”
30°
12
200
14
Yes
No
11.75”
30°
14
200
21
Yes
No
13.75”
30°
235
18
Yes
No
13.88”
30°
305
14
Yes
Yes
14.00”
30°
16
165
25
No
No
N/A
N/A
200
21
235
18
Yes
No
15.68”
30°
305
14
Yes
Yes
15.88”
30°
18
165
25
No
No
”
N/A
N/A
200
21
235
18
Yes
No
17.38”
30°
305
14
Yes
Yes
17.50”
30°
20
165
25
Yes
Yes
41.50”
20°
200
21
Yes
No
19.56”
30°
305
18
Yes
No
19.56”
30°
*
Call DeZURIK customer service if you have any questions on this procedure.
2.
Cycle the valve for three full open–close cycles to ensure disc fully clears the pipe.