Metal Seat Wafer Type Butterfly Valve
Product Description
Features:
1. Small in size, light in weight, easy installation and maintenance.
2. Simple and compact construction, quick 90 degree on-off operation.
3. Minimized operating torque, energy saving.
4. Flow curve tending to straight line, excellent regulation performance.
5. Long service life, standing the test of tens thousands opening/closing operations.
6. Wide selection of materials, applicable to various medium.
Performance:
Nominal pressue (MPa) | 1.0 | 1.6 | |
Nominal diameter(mm) | 50-1000 | 50-1000 | |
Test pressure | Shell | 1.5 | 2.4 |
(MPa) | Seal | 1.1 | 1.76 |
Applicable temperature | 150 | ||
Applicable medium | Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids, | ||
Operating mode | manual, worm gear, pneumatic, electric, etc. | ||
Design & Manufacture | Flange Connection | Face to Face Dimension | Test & Inspection |
MSS SP-67 | DIN PN10/16/25; ANSI B 16.1 | API609 | API 598 |
STANDARD MATERIALS OF MAIN PARTS
| ITEM | PART NAME | MATERIAL |
| 1 | Gear Operator | |
| 2 | Packing Flange | WCB |
3 | Stud | CS |
| 4 | Washers | CS |
| 5 | Bolt | CS |
| 6 | Connecting Support | WCB |
| 7 | Packing | Flexible Graphite |
| 8 | Stem | SS410 |
| 9 | Body | CF8M |
| 10 | Sealing Ring | SS304+Graphite |
| 11 | Bolt | SS304 |
| 12 | DISC | CF8 |
| 13 | Pon | SS304 |
| 14 | Disc Flange | SS304 |
| 15 | Bushing | Nitriding |
DIMENSIONS:(mm)