Electrical actuator butterfly valve
Electrical actuator butterfly valve Product introduction
Electrical actuator butterfly valve is Non-pinned disc /Stem connection and automatically centered seat assure the isolation of metal fron mediun providing valve reliability,easy maintenance,the operationg torque is more lower than general butterfly valve,the life if three times of general butterfly valve. Epoxy powder coated Electrical actuator butterfly valve surface provide excellent corrosions resistance.
Electrical actuator butterfly valve Flow charateristics trend line with good throttling function,Bubble tighness, no leakage under the air test.Various operation and method of Electrical actuator butterfly valve of installation are available according to requiremants of customers.
Electrical actuator 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 |
Electrical actuator 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. |
