Marine Center Hand Manual Wafer Butterfly Valve:
China Marine Center Hand Manual Wafer Butterfly Valve:
Marine Butterfly valve is used to adjust the flow rate, open and close the pipe system in the marine pipe system, with the simple structure.
Connection Type: Wafer, Lug, Flange
Technical Specification:
Design Standard: GB/T3036-1994 Type A/AS
Test Standard: GB600
Applicable Medium: sea water, fresh water, air, crude/refined oil (t≤70℃)
Main Material:
1-Body: Cast Iron, Ductile Iron, Cast Steel, Bronze
2-Disc: DI or WCB with galv, Stainless Steel, Bronze
3-Pin: Stainless Steel
4-Seat: NBR, EPDM,CR,FKM,VITION,PTFE
5-Stem: Stainless Steel
Main Size:
|
Nominal Pressure Mpa |
Norminal diameter |
Structure& Flange Dimension | Hole of Bolt | |||||||||||||||||||
| ISO、JIS、GB | ISO(GB2501-89) | JIS | GB(GB569-65) | ISO | JIS | GB | ||||||||||||||||
| H | H1 | L1 | L | D | D1 | D2 | L | D | D1 | D2 | L | D | D1 | D2 | n | Th. | n | Th. | n | Th. | ||
| 1.0 | 50 | 235 | 90 | 260 | 43 | 165 | 125 | 102 | 40 | 155 | 120 | 88 | 43 | 135 | 103 | 84 | 4 | 18 | 4 | 19 | 6 | 16 |
| 65 | 250 | 100 | 260 | 46 | 185 | 145 | 122 | 40 | 175 | 140 | 112 | 46 | 155 | 123 | 104 | 4 | 18 | 4 | 19 | 6 | 16 | |
| 80 | 295 | 130 | 260 | 46 | 200 | 160 | 133 | 60 | 185 | 150 | 125 | 46 | 170 | 138 | 118 | 8 | 18 | 8 | 19 | 8 | 16 | |
| 100 | 315 | 135 | 260 | 52 | 220 | 180 | 158 | 60 | 210 | 175 | 144 | 52 | 190 | 158 | 138 | 8 | M16 | 8 | M16 | 8 | M14 | |
| 125 | 350 | 155 | 260 | 56 | 250 | 210 | 184 | 60 | 250 | 210 | 178 | 56 | 215 | 183 | 164 | 8 | M16 | 8 | M20 | 10 | M14 | |
| 150 | 405 | 170 | 310 | 56 | 285 | 240 | 212 | 70 | 280 | 240 | 207 | 56 | 240 | 208 | 190 | 8 | M20 | 8 | M20 | 12 | M14 | |
| 200 | 455 | 190 | 310 | 60 | 340 | 295 | 268 | 80 | 330 | 290 | 265 | 60 | 310 | 273 | 250 | 8 | M20 | 12 | M20 | 14 | M16 | |
