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Product Name:Lug Type Triple Offset Butterfly Valve
Lug Type Three Offset Butterfly Valve
Specification
Structure type: Lug Type Three Eccentric Butterfly valve
1. Design and manufacture: API 609, EN 593
2. Inspect and testing: API 598, EN 12266-1, ISO 5208
3. Face to face dimension: API 609, EN 558-1, ISO 5752
4. End flange connection: ASME B16.5, ASME B16.47, EN 1092
5. Pressure-temperature rating: ANSI B16.34
Size:  2"-120"
 
Application
Three eccentric configuration, hermetic capability reliably,which ensure disc never touch sealing seat when it start, solve the problem of hermetical seat burden unequally,prolong service life, and ensure reliable hermetic capability with advantage of high temperature resistant, wearable,antisepsis etc.
 
Materials
Body
WCB, LCB, CF8, CF3, CF8M, CF3M, Duplex Steel etc 
Disc
WCB, LCB, Al-bronze, CF8, CF3, CF8M, CF3M, Duplex Steel etc 
Stem
416, 316, 2Cr13, 1Cr18Ni9Ti, Monel
Seal ring
SS+graphite/PTFE laminated or solid metal sealing ring
Packing
Flesxible graphite, fluorine plastic
 
Dimensions
API 150LB Series
DN
L
H
H1
D1
D2
M
z-d
50
43
110
345
120.5
92
M18
4-19
80
49
125
380
152.5
127
M18
4-19
100
56
145
415
190.5
157
M18
8-19
125
64
165
455
216
186
M20
8-22
150
70
175
545
241.5
216
M20
8-22
200
71
210
615
298.5
270
M20
8-22
250
76
250
695
362
324
M24
12-25
300
86
285
830
432
381
M24
12-25
350
92
320
900
476
413
M27
12-29
400
102
355
980
540
470
M27
16-29
450
114
380
1030
578
533
M30
16-32
500
127
415
1110
635
584
M30
20-32
600
154
475
1305
749.5
692
M33
20-35
750
165
580
1525
914
857
M33
28-35
900
203
680
1765
1085
1022
M39
32-41
 
API 300LB Series
DN
L
H
H1
D1
D2
M
z-d
50
43
110
345
127
92
M18
8-19
80
49
125
380
168.5
127
M20
8-22
100
56
145
415
200
157
M20
8-22
125
64
165
455
235
186
M20
8-22
150
70
175
545
270
216
M20
12-22
200
71
210
615
330
270
M24
12-26
250
76
250
695
387
324
M27
16-29
300
86
285
830
451
381
M30
16-32
350
92
320
900
514
413
M30
20-32
400
102
355
980
571
470
M33
20-35
450
114
380
1030
628
533
M33
24-35
500
127
415
1110
686
584
M33
24-35
600
154
475
1305
813
692
M39
24-41
750
165
580
1525
997
857
M45
28-49
900
203
680
1765
1168
1022
M50
32-52
 
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·Lug Type Butterfly Valve
·DIN3202-K3 Flanged Double-eccentric Butterfly Valve
 

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