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productn Name:API butterfly valve
products Specs: API butterfly valve
Issue time:2008-4-26 9:09:11
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Purpose and characteristic

The API series of butterfly valves has several connection types such as clamp,flange,welding,protruding ear type(socket around body).and uses 3-dimension eccentric structure.with almost no attrition between seat and disc.with Function of sealing tighter and tighter and no matter under condition of sub zero or high tem-Perature of high pressure all have fine sealing performance.lt is is widely utilzed in foodstuff,pharmacy,petroleum,chemical industry,light industry,textile,metallurgy,mine,energy etc,as well as construction,environmental protection,water supply and drainage piping for opening and dosing or as just capacity of medium.

Adopt stamdard :

Cibbect dunebsuib : ANSI B16.5a-92 MSS SP-44-91 API609-83
Face to face: ANsI B16.10-86 API 609-91 MSS SP-68-97
Oressyre test: APl 598-94 MSS SPһ44-91 APl609-83

Main performance  parameter

Nominal diameter 

NPS(in)

2“U48

Nominal pressure 

PN(Lb)

150

300

600

Test pressuer Ps(MPa)

Strength test 

225

450

900

Seal test 

165

330

660

Gas seal test 

O.5O.7MPa

Suitable medium

Water,Oil Steam,Coal gas Acid,Alkali

Suitable temperature 

- 40-3.570

Materal for main parts

Name 

Material

Body 

WCB304316CF8M

Disc 

WCB304316316SSCF8M

Stem

420316SS316L304

Seal ring 

304316PTFE

Packing 

 PTFE ,Flexible graphite

Drive mode 

Manual,Worm wheel actuator,Electric,Aerodynamic,Hydraulic

Wafer type,protruding type

class
DN
Size
ANSI
Class 150
2
50
43
152
120.5
75
195
45
4-19
21/2
65
46
178
139.5
110
215
45
4-19
3
80
48
190
152 5
120
255
45
4-19
4
100
54
229
190.5
135
275
2230L
8-19
5
125
56
254
216
150
295
2230L
8-22
6
150
57
279
241.5
180
310
2230L
8-22
8
200
64
343
298.5
210
380
2230L
8-22
10
250
71
406
362
260
400
15
12-25
12
300
81
483
432
290
490
15
12-25
14
350
92
533
476
320
510
15
12-29
16
400
102
597
539.5
350
600
1115L
16-29
18
450
114
635
578
380
620
1115L
16-32
20
500
127
698
635
410
680
9
20-32
24
600
154
813
749.5
460
750
9
20-35
28
700
165
927
863.5
530
820
626L
28-35
30
750
167
984
914.5
570
860
626L
28-35
32
800
190
1060
978
610
910
626L
28-41
36
900
203
1168
1086
670
960
538L
32-41
40
1000
216
1289
1200
720
940
5
36-41
42
1050
222
1346
1257.5
770
1080
5
36-41
48
1200
254
1511
1422.5
820
1220
44-41
ANSI
Class 300
3
80
48
210
168.5
130
265
2230L
8-22
4
100
54
254
200
155
295
2230L
8-22
5
125
57
279
235
169
315
2230L
8-22
6
150
59
318
270
199
329
15
12-22
8
200
73
381
330
240
410
15
12-25
10
250
83
445
387.5
273
430
1115L
16-29
12
300
92
521
451
310
510
1115L
16-32
14
350
117
584
514.5
350
540
90
20-32
16
400
133
648
571.5
370
625
9
20-35
18
450
149
711
628.5
415
655
730L
24-35
20
500
159
775
686
440
710
730L
24-35
24
600
181
914
813
518
810
730L
24-41
ANSl
Class 600
3
80
54
210
168
130
265
2230L
8-22
4
100
64
273
216
165
305
2230L
8-25
5
125
78
330
266.5
195
340
2230L
8-29
6
150
78
356
292
218
350
15
12-29
8
200
102
419
349
260
430
15
12-32
10
250
117
508
432
305
500
1130L
16-35
12
300
140
559
489
330
530
9
20-35
14
350
155
603
527
360
558
9
20-38
16
400
178
686
603
405
655
9
20-41
18
450
200
743
654
435
675
9
20-44
20
500
216
813
724
470
740
730L
24-44
24
600
232
940
835
550
840
730L
24-52
Flange type

Pressure class
Diameter
Main commection dimension
inch
mm
L
D
D1
H
H1
b
Z-d
ANSI
Class 150
3
80
114
190
152.5
120
255
19
4-19
4
100
127
229
190.5
135
275
24
8-19
5
125
140
254
216
150
295
24
8-22
6
150
140
279
241.5
180
310
26
8-22
8
200
152
343
298.5
210
380
29
8-22
10
250
165
406
362
260
400
31
12-25
12
300
178
483
432
290
490
32
12-25
14
350
190
533
476
320
510
35
12-29
16
400
216
597
540
350
600
37
16-29
18
450
222
635
578
380
62
40
16-32
20
500
229
698
635
410
680
43
20-32
24
600
267
813
749.5
460
750
48
20-35
28
700
292
927
863.5
530
820
71
28-35
30
750
318
984
914.5
610
860
75
28-35
32
800
318
1060
978
610
910
81
28-41
36
900
330
1168
1086
670
960
90
32-41
40
1000
410
1289
1200
720
940
90
36-41
42
1050
410
1346
1257.5
770
1080
97
36-41
48
1200
470
1511
1422.5
820
1220
108
44-41
ANSI
C1ass 300
3
80
114
210
168.5
130
265
29
8-22
4
100
127
254
200
155
295
32
8-22
5
125
140
279
235
169
315
35
8-22
6
150
140
318
270
199
329
37
12-22
8
200
152
381
330
240
410
42
12-25
1 0
250
165
445
387.5
273
430
48
16-29
1 2
300
178
521
451
310
510
51
16-32
14
350
190
584
514.5
350
540
54
20-32
1 6
400
216
648
571.5
375
625
58
20-35
1 8
450
222
711
628.5
415
655
61
24-35
20
500
229
775
686
440
710
64
24-35
24
600
267
914
813
518
810
70
24-41
ANSI
Class 600
3
80
180
210
168
130
265
32
8-22
d
100
190
273
216
165
305
38
8-25
5
125
200
330
266.5
195
340
45
8-29
6
150
210
356
292
218
350
48
12-29
8
200
230
419
349
260
430
56
12-32
10
250
250
508
432
305
500
64
16-35
12
300
270
559
489
330
530
67
20-35
14
350
290
603
527
360
558
70
20-38
16
400
310
686
603
405
655
77
20-41
18
450
330
743
654
435
675
83
20-44
20
500
350
813
724
470
740
89
24-44
24
600
390
940
835
550
840
102
24-52

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