Flanged rubber seat butterfly valve


Flanged rubber seat butterfly valve
Flanged rubber seat butterfly valve


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Flanged rubber seat butterfly valve Product introduction

Flanged rubber seat butterfly valve is used in on-off and control flow of medium in vaired pipelines such as foodstuff,beverage,machine,chemical engineering,industrial enviromental proction,water treatment and building ect .Flanged rubber seat butterfly valve: ANSI, DIN, JIS, GB, etc
More Structure: Soft Seat Sealing ( Or metal seat sealing).

 
Flanged rubber seat butterfly valve Material :
1 Body : Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200;
Ductile Iron:ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15;
Stainless Steel: ASTM A351 CF8, CF8M;Carbon Steel: ASTM A216 WCB
2 Stem: Zinc Plated Steel; Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM
A582 Type 416;
3 Taper Pin : Stainless Steel: ASTM A276 Type 304, Type 316;
4 Seat : NBR, EPDM, Neoprene, PTFE, Viton;
5 Disc : Ductile Cast Iron (Nickel plated):ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS- 400,Stainless Steel:ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;
AL-Bronze: ASTM B148 C95400;
6 O-Ring: NBR, EPDM
7 Bushing :Polymer water-proof materials ,Nylon, Bronze;

Flanged rubber seat butterfly valve Technical parameters

Description Standard
Design and manufacture EN593
Face to face ISO5752 series14, EN558-1 series 14, DIN3202 F4
Flange and drilling ISO7005-2, EN1092,
Pressure test EN12266
Top flange of bare shaft valve ISO5211
Top flange on worm gearbox for e-actuator ISO5210

Flanged rubber seat butterfly valve Main connection dimensions

Name Material
Body ductile cast iron, WCB, stainless steel
Disc ductile cast iron, WCB, stainless steel, Al-bronze
Stem SS420, SS431
Disc seat ring EPDM,NBR,VITON
Body seat ring SS304
Retainer SS304, SS316
Shaft bearing Al-bronze, self-lubricating bearing
Bolt & nuts 8.8 grade galvanized, SS304
Coating epoxy coating, thickness: min. 250 microns, color code: RAl5015, 5017, 5010, and etc.

 

 


Flanged rubber seat butterfly valve Main dimension

Size
Length
Outline dimension
Flange connection
Weight
0.6MPa
mm
inch
L
H
H0
A
B
D
D1
D2
n-d
50
2
108
63
306
180
200
140
110
88
4-14
13
65
21/2
112
70
321
180
200
160
130
108
4-14
14
80
3
114
83
346
180
200
190
150
124
4-18
15.5
100
4
127
105
387
180
200
210
170
144
4-18
19.5
125
5
140
115
411
180
200
240
200
174
8-18
25.5
150
6
140
137
447
270
280
265
225
199
8-18
28.5
200
8
152
164
572
270
280
320
280
254
8-18
48
250
10
250
206
646
270
280
375
335
309
12-18
69
300
12
270
230
738
380
420
440
395
363
12-22
91
350
14
290
248
761
380
420
490
445
413
12-22
110
400
16
310
289
877
450
470
540
495
463
16-22
140
450
18
330
320
938
480
490
595
550
518
16-22
180
500
20
350
343
993
480
490
645
600
568
20-22
215
600
24
390
413
1131
480
490
755
705
667
20-26
290
700
28
430
478
1476
640
660
860
810
772
24-26
560
800
32
470
525
1533
640
660
975
920
878
24-30
910
900
36
510
585
1655
750
860
1075
1020
978
24-30
1500
1000
40
550
640
1765
850
900
1175
1120
1078
28-30
1750
1200
48
630
755
1995
850
900
1405
1340
1292
32-33
2180
1400
56
710
910
2310
1000
925
1630
1560
1510
36-36
2400
1600
64
790
1030
2595
1000
925
1830
1760
1710
40-36
2870
1800
72
870
1140
2810
1100
980
2045
1970
1918
44-39
3380
2000
80
950
1250
3100
1100
980
2265
2180
2180
48-42
4010