Lug Type Butterfly Valve

Design Standard: API 609; EN593
Face to Face: DIN3202-K1; EN558-1 20 Series; BS5155; MSS SP-67 ect.
Flange drilling: DIN2501 PN10/PN16; ANSI125/150; ASA125/150; AS2129 Table D/E; BS4504, JIS10K; BS10-D/E; etc.
Pressure test: API 598
Size: DN40-DN800
Lug Type Butterfly Valve

Application:

This kind of butterfly valve is widely utilized in foodstuff,pharmacy,chemical industry etc.and industrial environmental protection, water treatment, high building,water supply and draian tubing line open or close or adjusting medium.


Materials:

No.
Part Name
Material
1
Body
Cast Iron / WCB / CF8 / CF8M / CF3 / CF3M
2
Stem
SS410 / SS304 / SS316 / SS304L / SS316L
3
Bushing
PTFE / Brass
4
O-Ring
NBR / EPDM / Viton/ PTFE
5
Bushing
PTFE / Brass
6
Disc
Cast Iron / WCB / CF8 / CF8M / CF3 / CF3M
7
Seat
NBR / EPDM / Viton/ PTFE
8
Pin
SS410 / SS304 / SS316
 
Dimensions:
Size
C
L
A
B
c
D1
D
n-M
K
E
n-d1
DN40
32
32
139
68
12.6
110
?
4-16
65
50
4-8
DN50
42.04
32
161
80
12.6
125
52.5
4-16
65
50
4-8
DN65
44.68
32
175
89
12.6
145
63.8
4-16
65
50
4-8
DN80
45.21
32
181
95
12.6
160
78.1
8-16
65
50
4-8
DN100
52
32
200
114
15.77
180
103.8
8-16
90
70
4-10
DN125
54.36
32
213
127
18..92
210
123.1
8-16
90
70
4-10
DN150
55.7
32
226
139
18.92
240
155
8-20
90
70
4-10
DN200
60.1
40
260
175
22.1
295
202.1
8-20
125
102
4-12
DN250
65.63
40
292
203
28.45
350
250.1
12-20
125
102
4-12
DN300
76.5
40
337
242
31.6
400
301.1
12-20
125
102
4-12
DN350
76
45
368
267
31.6
460
333.3
16-20
125
102
4-12
DN400
86
51.2/72
400
297
33.15
515
389.6
16-24
175
140
4-18
DN450
105
51.2/72
422
318
38
565
440.5
20-24
175
140
4-18
DN500
127
64.2/82
480
348
41.15
620
491.6
20-24
175
140
4-18
DN600
151
64.2/82
562
444
50.65
725
592.5
20-27
210
165
4-22
DN700
162
66/82
623.9
505
63.35/55
840
695
24-27
300
254
8-18
DN750
166
66/82
646
520
63.35/55
900
744.6
24-30
300
254
8-18
DN800
187
66/82
672
565
63.35/55
950
794.7
24-30
300
254
8-18
 

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