Brief Introduction:
Butterfly valve is mainly consisted of body, stem, disc, seat and driver(lever, gearbox, pneumatic and electric Actuator) and so on.
On off and controlling flow of valve are made by turning stem and disc together.
Characteristics of Product:
1.Small in size and light in weight and maintaince. It can be mounted whereever needed.
2.Simple, compact structure, quick 90 degree on-off operation.
3.Disc has two-way bearing, perfect seal, without leakage under the pressure test.
4.Flow curve tending to straight-line. Excellent regulation performance.
5.Various kinds of materials, applicable to different medium.
6.Strong wash and brush resistance and can fit to bad working condition.
7.Center plate structure, small torque of open and close.
8.Long service life. Standing the test of ten thousands opening and closing operation.
9.Can be used in cutting off and regulation medium.
Typical Application:
Water works and water resource project,Environment protection,Public facilities,
Power and public utilities, Building industry, Petroleum, Chemical, Steel, Metallurgy,
Paper making industry, Food, Beverage
Detail Specification:
Size | DN40-DN1200 |
End flange | ANSI B 16.1, EN 1092, AS 2129 |
Face to face | ANSI B 16.10 |
Top flange | ISO 5211 |
Normal pressure | DN40-DN600 PN1.0/1.6MPa (150/200PSI) DN700-DN1200 PN1.0MPa (150PSI) |
Body | CI/DI/WCB/ALB/CF8/CF8M |
Disc | DI/ALB/Rubber lined Disc / 1.2501/CF8M/1.4529/CF8/Hastelloy |
Stem | 416/304/316/431/17-4PH |
Seat | NR/Hypalon/EPDM/Neoprene/NBR/Wear-Resistant EPDM/Viton/Silicon/Heat-Resistant EPDM/White NBR/White EPDM/EPDM (NSF)/PTFE |
Temprature | -45c~150c |
Feature | Small in size, light in weight and easy maintenance, it can be used as a device to cut-off or regulate |
Apply | Fresh water, sewage, sea water, air, vapor, food, medicine, oils. acids, alkalis, salt etc. |
