The Wafer style butterfly valve includes a cartridge type seat and streamlined disc and strong stem-to-disc connection which makes it suitable for numerous industrial applications including food and beverage, pulp and paper, chemical, mining, water treatment, power plants, etc.
The Wafer Type Butterfly Valve represents the future of flow regulation and corrosion resistance solutions for your projects.
Our Wafer Butterfly Valve stands out from other wafer style valves through its advanced design which delivers superior performance alongside extended durability. The precision-engineered wafer valve sets new industry standards while providing excellent performance for water, oil and gas system applications.
Key Features of Wafer Butterfly Valve:
Compact and Lightweight Design: Flange standard: ANSI 150LB JIS 5K 10K 16K, DIN PN10 PN16
Superior Sealing Mechanism: which provides optimal performance through its bi-directional bubble-tight seal that prevents any leakage while maintaining the valve and system integrity. NBR, PTFE, EPDM sealing seat
Easy Operability: The Wafer type Butterfly Valve operates with maximum efficiency because it allows manual and actuator-operated control which enables simple management and high system adaptability. Pneumatic Actuator, Electric Actuator, Hydraulic Actuator
1: ISO5211 top flange together with stem square suitable for direct mounting of actuators
2: Stem anti-blowout design keep safety in field use
3: Dirtscraper prevents moisture penetrating into the shaft area
4:Multi-standard alignment holes suitable for various standard of flanges of EN1092 PN10, PN16, ASME B16.5 CLASS150, JIS B2239 10K, 16K, BS 10 Table D, Table E
5: Suitable for high pressure and full vacuum service due to the use of a cartridge seat design
6: No exposed pins or bolts for stem-to-disc connection
7: No need for flange gaskets
8: No risk of damage to the valve during installation in closed position
9: Bubble-tight shut of at full pressure rating
10: Large flow capacity and enough strength because of streamline disc design
11: Plug with O-ring sealing eliminates any leakage from the stem
PARTS LIST AND MATERIAL SPECIFICATION
TECHNICAL DATA
Body style
wafer
Nominal diameter
1″ – 80″ (DN25mm – DN2000mm)
Top flange
ISO5211
Operating pressure
16bar for DN50-DN300, 10bar for DN350-DN2000
Temperature range
-20 °C to + 140 °C (depending on pressure, medium and material)
Flange accommodation
EN 1092 PN 6/PN10/PN16
ASME Class 150
AS 4087 PN10/ PN16
JIS 5K/10K
Applications
Potable Water, Wastewater, Seawater, HVAC
Operation
Hand lever, gear box, pneumatic actuator, electric actuator
SIZE
A
B
C
D
E
F
d
G
H
L
WT(kg)
DN
INCH
50
2″
126
78
13.5
94.3
9
50
8
70
31
43
2
65
2 1/2″
134
84
13.5
107.6
9
50
8
70
45
46
2.5
80
3″
138
92
13.5
123.9
9
50
8
70
64
46
3
100
4″
167
114
13.5
157
11
70
10
90
91
52
4.5
125
5″
180
129
17.5
181.5
14
70
10
90
110
56
6
150
6″
203
144
17.5
212
14
70
10
90
146
56
7
200
8″
228
179
24.5
267.4
17
102
12
125
193
60
12
250
10″
266
216
25
323.6
22
102
12
125
241
68
17
300
12″
291
247
25
377.4
22
102
12
125
292
78
25
350
14″
332
273
30
425
27
125
14
150
329
78
41
400
16″
363
317
30
484
27
125
14
150
376
102
58
450
18″
397
348
39
537
36
140
18
175
425
114
80
500
20″
425
393
39
589.5
36
140
18
175
475
127
97
600
24″
498
453
49
693.1
46
165
22
210
573
154
169
700
28″
626
531
90
928
63.1
254
18
300
674
165
252
750
30″
660
564
90
984
63.1
254
18
300
727
165
290
800
32″
666
601
90
1061
63.1
254
18
300
771
190
367
900
36″
722
660
110
1170
74.7
254
18
300
839
203
465
1000
40″
806
728
120
1290
83.7
298
22
350
939
216
606
1100
44″
826
771
140
1404
94.7
298
22
350
1036
255
805
1200
48″
941
874
150
1511
104.7
298
22
350
1137
276
900
1400
56″
1000
940
175
1685
139.9
356
32
415
1351
279
1158
1600
64″
1155
1085
195
1930
160
356
32
415
1548
318
1684
1800
72″
1200
1170
195
2170
174.5
406
39
475
1703
356
2645
2000
80″
1363
1360
245
2345
199
406
39
475
1938
406
4000
FAQs
What is a wafer butterfly valve?
Wafer butterfly valves are positioned between two flanges. Are crafted for installation without requiring additional components or tools. The discs, within valves typically feature perforations that enable fine tuning and offer versatility in their usability within specific systems. This characteristic also renders them appropriate for spaces as they demand room in comparison, to alternative valve configurations.
How does a wafer butterfly valve work?
A wafer butterfly valve is a type of shut-off valve that uses a disc with a centrally located stem to enable flow through it. It is sometimes referred to as the “butterfly” because the disc resembles one, and its rotation provides an effective opening/closing mechanism for regulating systems containing liquids or gases.
How to install wafer butterfly valve？
The wafer butterfly valve installation process begins with preparing both the valve and the pipeline. Position the wafer butterfly valve between two pipe flanges. The valve disc should be positioned at a slight opening of approximately 10 degrees. The valve disc remains at this position to prevent contact with the flanges or gaskets during the installation process. The disc hitting the flange during installation can result in damage and create operational difficulties for the valve in the future.
