Specifications
Multiple materails selection
Long service life
High flow capacity
Perfect appearance
Product
overview
Midline wafer-type soft seal butterfly valve, worm gear driven, switching
easily, 90° rotary, reliable seal, long service life. Can be used widely in the
fields of water plant, power plant, steel mill,papermaking plant, chemical,
food & beverage and others system of water supply and sewage
Along with prefect adjustment and closure features.
Adoption
Standard
|
Item
|
Adoption
standard
|
Optional
standard
|
|
Design
Manufacture Acceptance
|
GB12238-1989
|
ISO/DIN10631-1991,API598
|
|
Valve
structure lengh
|
GB12221-1989
|
ISO5752-1988
|
|
Valve
flange length
|
GB9113-2000
|
ANSI
B16.5,ISO7005,JIS B2238,2239
|
|
Inspection
|
GB/T13927-1992
|
ISO/DIN5208-1987
|
|
Mark
|
GB12220-1989
|
ISO05209-1987
|
Performance
parameter:
|
Product
Name
|
Wafer
type midline butterfly valve
|
|
Connection
|
Wafer
type
|
|
Nominal
diamater
|
DN40~DN1200
|
|
Nominal
pressure
|
PN10/PN16
|
|
Test
pressure
|
Shell
test:PN×1.5
Seal test:PN×1.1
|
|
Surface
treatment
|
Epoxy
coating
|
|
Driven
type
|
Steamlined
Aluminum Handle or High Strengh malleable Iron Handle
|
|
Applicable
temperature
|
-30°C~180°C
|
|
Applicable
mediums
|
Water,
Salt, Acid, Alkali, Nature gas, Air, Alcohols, oils, food, steam and so on.
|
Optional
materials for parts
|
Name
|
Optional
Materials
|
|
Body
|
Ductile
Iron(DI), Gray Cast iron(CI), Cast Steel(WCB), Stainless steel(CF8/CF8M)
|
|
Disc
|
Ductile
iron nylon coating(N),Plated ductile iron(D), CF8(P), CF8M(R),Aluminum
bronze(T)
|
|
Seat
|
EPDM
, NBR. PTFE, VITON, EP, EPDM ,EPDM
|
|
Shaft
|
416SS
316SS 304SS CS45#coating with Ni,P
|
|
Actuator
|
Cast
iron worm gear reducer, Cast aluminum worm gear reducer
|
price butterfly
wafer and lug u and flanged butterfly valve wafer and lug u and flanged
butterfly valve wafer and lug u and flanged butterfly valve wafer and lug u and
flanged butterfly valve wafer and lug u and flanged butterfly valve
|
Size
|
A
|
B
|
L
|
D
|
E
|
F
|
G
|
K
|
|
50
|
161
|
80
|
43
|
32
|
12.6
|
6.7
|
50
|
65
|
|
65
|
175
|
89
|
46
|
32
|
12.6
|
6.7
|
50
|
65
|
|
80
|
181
|
95
|
46
|
32
|
12.6
|
6.7
|
50
|
65
|
|
100
|
200
|
114
|
52
|
32
|
15.77
|
10.3
|
70
|
90
|
|
125
|
213
|
127
|
56
|
32
|
18.92
|
10.3
|
70
|
90
|
|
150
|
226
|
139
|
56
|
32
|
18.92
|
10.3
|
70
|
90
|
|
200
|
260
|
175
|
60
|
40
|
22.10
|
14.3
|
102
|
125
|
|
250
|
292
|
203
|
68
|
40
|
28.45
|
14.3
|
102
|
125
|
|
300
|
337
|
242
|
78
|
40
|
31.6
|
14.3
|
102
|
125
|
|
350
|
368
|
267
|
78
|
40
|
31.6
|
14.3
|
125
|
150
|
|
400
|
400
|
298
|
102
|
51.2
|
33.15
|
20.6
|
140
|
175
|
|
450
|
422
|
318
|
114
|
51.2
|
38.00
|
20.6
|
140
|
175
|
|
500
|
480
|
249
|
127
|
64.2
|
41.15
|
20.6
|
140
|
175
|
|
600
|
562
|
440
|
154
|
70.2
|
50.65
|
23.2
|
165
|
210
|
|
700
|
624
|
520
|
163
|
66
|
55.00
|
8-18
|
254
|
300
|
|
800
|
672
|
591
|
188
|
66
|
55.00
|
8-18
|
254
|
300
|
