Marine Wafer Butterfly Valve JIS F7480 (Worm Gear Operation)
Product Description
Specifications
1)good quality with test certificate
2)With one year's warranty
3)CCS,DNV, BV,ABS,RINA certificate
Marine Cast Steel Wafer Butterfly Valve JIS F7480
Design Standard: JIS F7480-1996
Size: DN40-DN1200
Max Working Pressure: 5K/10K/16K
Top Flange: ISO5211
Operation Type: Lever or Worm Gear
Main Material:
1-Body: Cast Iron, Ductile Iron or Cast Steel
2-Stem: Stainless Steel
3-Disc: DI or WCB with galv, Stainless Steel, Bronze
4-Gear: Ductile Iron
5-Seat: NBR, EPDM,CR,FKM,VITION,PTFE
6-Busing: PTFE
7-O ring: NBR
8-Pin: Stainless Steel
The Service Temperature for Seat Material:
| Rubber Seat Material | Service Temperature range °C | Kind of Fluid |
| NBR | 0-70 | sea water, fresh water, bilge, ballat,liquefied gas,lubricating oil,fuel oil,cargo oil,hydraulice oil |
| CR | 0-70 | air |
| EPDM | 0-120 | sea water, fresh water, acid gas |
| FKM | 0-90 | cargo oil |
Main Size List(mm):
| Size | A | B | C | D | d0 | K | E | 4-d | L | D1 | 4-d1 | B1 |
| 40 | 120 | 70 | 34 | 41.8 | 12.6 | 65 | 50 | 7 | 26 | 105 | 19 | 11 |
| 50 | 140 | 80 | 42 | 52.9 | 12.6 | 90 | 70 | 10 | 30 | 120 | 19 | 11 |
| 65 | 150 | 89 | 44.7 | 64.5 | 12.6 | 90 | 70 | 10 | 30 | 140 | 19 | 11 |
| 80 | 158 | 95 | 45.2 | 78.8 | 12.6 | 90 | 70 | 10 | 30 | 150 | 19 | 11 |
| 100 | 176 | 114 | 52 | 104 | 15.77 | 90 | 70 | 10 | 30 | 175 | 19 | 11 |
| 125 | 190 | 127 | 54.4 | 123.3 | 18.92 | 90 | 70 | 10 | 30 | 210 | 23 | 14 |
| 150 | 211 | 139 | 55.8 | 155.1 | 18.92 | 90 | 70 | 10 | 30 | 240 | 23 | 14 |
| 200 | 235 | 176 | 60.6 | 202.5 | 22.1 | 125 | 102 | 12 | 40 | 290 | 23 | 17 |
| 250 | 265 | 203 | 65.6 | 250.5 | 28.45 | 125 | 102 | 12 | 40 | 355 | 25 | 22 |
| 300 | 305 | 242 | 76.9 | 301.5 | 31.6 | 125 | 102 | 12 | 40 | 400 | 25 | 22 |
*The size is for 10K for your reference.