Centroflow supplied Wafer Type Butterfly Valve with good quality and high performance , the valve body is placed between pipe flanges, and the flange bolts surround the valve body. The wafer style butterfly valve is designed to maintain a seal against bi-directional pressure differential to prevent any backflow in systems designed for unidirectional flow. A wafer-type butterfly valve is easy to install, but it cannot be used as an isolation valve.
Wafer Type butterfly valve manufactured by Centroflow made of material ductile iron or steel. With simple and compact structure. 90° operation opening and closing speed, the flow characteristics tend to be linear, and good adjustment performance. Centroflow this valve give a long service life. Design and manfacture standard fully conform to API 609, test standard to API 598.
Connection: Wafer
Design Standard:DIN3202
Handle:Lever/Motorized/Gear Box
Flange Standard:BS4504 PN16
Face to Face: DIN 3202 K3
Mounting Pad:ISO5211
Pressure:PN10/16, ANSI 150lb
|
No. |
Part |
Material |
Optional Material |
|---|---|---|---|
|
1 |
Body |
Ductile Iron |
Cast Iron, Carbon Steel, Stainless Steel |
|
2 |
Disc |
SS304 |
SS304, SS316, Ductile Iron, Steel |
|
3 |
Seat |
EPDM |
Viton, NBR, PTFE |
|
4 |
Stem |
SS416 |
SS304, SS316, Monel |
|
5 |
Bushing |
PTFE |
PTFE |
|
6 |
O-ring |
Buna-N（NBR) |
|
|
7 |
Indicator |
Carbon Steel |
|
|
8 |
Lever |
Carbon Steel |
|
|
9 |
Gear |
Carbon Steel |
|
|
10 |
Pin |
SS416 |
SS304 SS316 STEEL |
|
SIZE(DN) |
A |
B |
C |
D |
L |
D1 |
D2 |
Φ1 |
ΦK |
E |
R1/PN10 |
R2/PN16 |
Φ2 |
f |
j |
x |
W*W |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
32 |
125 |
73 |
32.9 |
35.8 |
32 |
100 |
100 |
7 |
65 |
50 |
R9.5 |
R9.5 |
12.6 |
10 |
|
|
9*9 |
|
42 |
125 |
82 |
33 |
39 |
32 |
110 |
110 |
7 |
65 |
50 |
R9.5 |
R9.5 |
12.6 |
10 |
|
|
9*9 |
|
50 |
125 |
91 |
43 |
52 |
32 |
125 |
125 |
7 |
65 |
50 |
R9.5 |
R9.5 |
12.6 |
10 |
|
|
9*9 |
|
65 |
136 |
107 |
46 |
64 |
32 |
145 |
145 |
7 |
65 |
50 |
R9.5 |
R9.5 |
12.6 |
10 |
|
|
9*9 |
|
80 |
142 |
127 |
45.21 |
78 |
32 |
160 |
160 |
7 |
65 |
50 |
R9.5 |
R9.5 |
12.6 |
10 |
|
|
9*9 |
|
100 |
163 |
143 |
52.07 |
104 |
32 |
180 |
180 |
10 |
90 |
70 |
R9.5 |
R9.5 |
15.77 |
12 |
|
|
11*11 |
|
125 |
176 |
170 |
55.5 |
123 |
32 |
210 |
210 |
10 |
90 |
70 |
R11.5 |
R11.5 |
18.92 |
12 |
|
|
14*14 |
|
150 |
196 |
204 |
55.75 |
155 |
32 |
240 |
240 |
10 |
90 |
70 |
R11.5 |
R11.5 |
18.92 |
12 |
|
|
14*14 |
|
200 |
228 |
240 |
60.58 |
202 |
45 |
295 |
295 |
12 |
125 |
102 |
R11.5 |
R14 |
22.1 |
15 |
|
|
17*17 |
|
250 |
258 |
270 |
68 |
250 |
45 |
355 |
355 |
12 |
125 |
102 |
R11.5 |
R14 |
28.45 |
15 |
|
|
17*17 |
|
300 |
292 |
325 |
76.9 |
301 |
45 |
410 |
410 |
12 |
125 |
102 |
R11.5 |
R14 |
31.6 |
15 |
|
|
22*22 |
|
350 |
336 |
270 |
76.17 |
333.3 |
45 |
460 |
470 |
14 |
150 |
125 |
R11.5 |
R11.5 |
31.6 |
18 |
34.6 |
8 |
|
|
400 |
368 |
325 |
85.7 |
389.6 |
51 |
515 |
525 |
18 |
175 |
140 |
R14 |
R14 |
33.15 |
23 |
36.15 |
10 |
|
|
450 |
400 |
356 |
104.6 |
440.5 |
51 |
565 |
585 |
18 |
175 |
140 |
R14 |
R14 |
38 |
23 |
10.95 |
10 |
|
|
500 |
438 |
395 |
130.28 |
492 |
64 |
620 |
650 |
18 |
175 |
140 |
R14 |
R14 |
41.14 |
27 |
44.12 |
10 |
|
|
600 |
562 |
475 |
151.36 |
593 |
70 |
725 |
770 |
22 |
210 |
165 |
R15.5 |
R15.5 |
50.65 |
27 |
54.62 |
16 |
|
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