Marine Wafer Butterfly Valve
Marine Wafer Butterfly Valve Product introduction
Marine Wafer Butterfly Valve is mainly consisted of body, stem, disc, seat and driver(lever, gearbox, pneumatic and electric Actuator) and so on.
1.Applicable medium:Sea water .
2.We welcome sample orders for as few as 1 set.
3. High quality and competitive prices
Marine Wafer 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 |
Marine Wafer 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. |
Marine Wafer Butterfly Valve Main dimension
| Size | A | B | C | D | E | F | H | J | I- K | L | T | S | W | |
| mm | inch | |||||||||||||
| 50 | 2 | 69 | 141 | 32 | 12.7 | 125 | 18 | 65 | 50 | 4-7 | 42 | 32 | 10 | 10 |
| 65 | 2½ | 73.5 | 146.5 | 32 | 12.7 | 145 | 18 | 65 | 50 | 4-7 | 45 | 47 | 10 | 10 |
| 80 | 3 | 96.9 | 155.9 | 32 | 12.7 | 160 | 18 | 65 | 50 | 4-7 | 45 | 65 | 10 | 10 |
| 100 | 4 | 103.5 | 169.5 | 32 | 15.9 | 180 | 18 | 90 | 70 | 4-9.5 | 52 | 90 | 14 | 12 |
| 125 | 5 | 118 | 189.5 | 32 | 19.1 | 210 | 18 | 90 | 70 | 4-9.5 | 54 | 111 | 17 | 14 |
| 150 | 6 | 134 | 207 | 32 | 19.1 | 240 | 22 | 90 | 70 | 4-9.5 | 56 | 145 | 17 | 14 |
| 200 | 8 | 168 | 260 | 38 | 22.2 | 295 | 22 | 125 | 102 | 4-11.5 | 60 | 193 | 17 | 17 |
| 250 | 10 | 200 | 292 | 38 | 28.6 | 355 | 26 | 125 | 102 | 4-11.5 | 66 | 241 | 22 | 22 |
| 300 | 12 | 243 | 332 | 38 | 31.8 | 410 | 26 | 125 | 102 | 4-11.5 | 77 | 292 | 22 | 24 |
