Double Flanged Butterfly Valve
SPECIFICATION DN：DN50-DN1000 PN： PN10/PN16 Design standard：BS5155/GB12238 Face to face length：BS5155/BS EN558-1/GB12221 Endflange：BS4504/BS EN1092-2/ GB/T17241.6 Test：BS EN1074-2 GB/T13927 Application Temps：≤80℃ |  |
No. | Part Name | Material |
1 | Body | Gray Iron, Ductile Iron, Carbon Steel |
2 | Disc | Gray Iron, Ductile Iron, Carbon Steel |
3 | Stem | Carbon Steel,Stainless Steel |
4 | Seat | EPDM,NBR,VITON,PTFE |
5 | O-ring | EPDM,NBR |
6 | Pin | Stainless Steel |
7 | Bushing | PTFE, Bronze |
规格DIMENSIONS（PN10） | ||||
DN | L | D | C | n-d |
50 | 108 | 165 | 125 | 4×Ф18 |
65 | 112 | 185 | 142 | 4×Ф18 |
80 | 114 | 200 | 160 | 8×Ф18 |
100 | 127 | 220 | 180 | 8×Ф18 |
125 | 140 | 250 | 210 | 8×Ф18 |
150 | 140 | 285 | 240 | 8×Ф22 |
200 | 152 | 340 | 295 | 8×Ф22 |
250 | 165 | 405 | 350 | 12×Ф22 |
300 | 178 | 460 | 400 | 12×Ф22 |
350 | 190 | 520 | 460 | 16×Ф22 |
400 | 216 | 580 | 515 | 16×Ф26 |
450 | 222 | 640 | 565 | 20×Ф26 |
500 | 229 | 715 | 620 | 20×Ф26 |
600 | 267 | 840 | 725 | 20×Ф26 |
规格DIMENSIONS（PN16） | ||||
DN | L | D | C | n-d |
50 | 108 | 165 | 125 | 4×Ф18 |
65 | 112 | 185 | 142 | 4×Ф18 |
80 | 114 | 200 | 160 | 8×Ф18 |
100 | 127 | 220 | 180 | 8×Ф18 |
125 | 140 | 250 | 210 | 8×Ф18 |
150 | 140 | 285 | 240 | 8×Ф22 |
200 | 152 | 340 | 295 | 8×Ф22 |
250 | 165 | 405 | 350 | 12×Ф22 |
300 | 178 | 460 | 400 | 12×Ф22 |
350 | 190 | 520 | 460 | 16×Ф22 |
400 | 216 | 580 | 515 | 16×Ф26 |
450 | 222 | 640 | 565 | 20×Ф26 |
500 | 229 | 715 | 620 | 20×Ф26 |
600 | 267 | 840 | 725 | 20×Ф26 |