Double Eccentric Flanged Valve
Double Eccentric Flanged Valve
D342X Butterfly valve series
D342X Butterfly valve series
Model NO.
D342X
Size Range DN200~DN2000
Nominal Pressure 10bar/16bar
Suitable Temperature -20~100°C
Suitable Medium Water, sea water, gas and other non‑corrosive medium
Design Standard: GB/T 12238
Face‑to‑Face: GB/T 12221
Connection Size: GB/T 17241.6
Pressure Testing: GB/T 13927
Model NO.
D342X
Size Range DN200~DN2000
Nominal Pressure 10bar/16bar
Suitable Temperature -20~100°C
Suitable Medium Water, sea water, gas and other non‑corrosive medium
Design Standard: GB/T 12238
Face‑to‑Face: GB/T 12221
Connection Size: GB/T 17241.6
Pressure Testing: GB/T 13927
Quantity
Double Eccentric Flanged Valve of SJ
Functions and Uses
The effect of double eccentricity makes the disc can quickly away from the seat once valve is opened,greatly reducingthe unnecessary excessive squeeze and scraping of the disc and the seat,reducing the open resistance distance,reducing the wear and tear,improving the life of the seat.
The effect of double eccentricity makes the disc can quickly away from the seat once valve is opened,greatly reducingthe unnecessary excessive squeeze and scraping of the disc and the seat,reducing the open resistance distance,reducing the wear and tear,improving the life of the seat.
| Technical parameters | |||
| Medium/working condition/ Main Parts | Can be used in water supply and drainage,central air conditioning,heating,sewage, chemical industry,paper making,Marine,food industry,etc | ||
| Body | Ductile iron/WCB/SS.,etc. | ||
| Disc | Ductile iron/WCB | ||
| Seat | NBR | EPDM | VITON |
| Suitable temperature | -20℃~80℃ | -20℃~100℃ | -10℃~180℃ |
| Main Parts and Materials: | ||||||||||||||
| No | Part name | Material | No | Part name | Material | No | Part name | Material | ||||||
| 1 | Body | GGG40 | 13 | Gland packing | NBR | 25 | Washer | 8.8 | ||||||
| 2 | Below shaft | SS420 | 14 | Stud | 8.8 | 26 | Washer | 8.8 | ||||||
| 3 | Seal ring | EPDM | 15 | Washer | 8.8 | 27 | Washer | 8.8 | ||||||
| 4 | Washer | SS304 | 16 | Washer | 8.8 | 28 | Nut | 8.8 | ||||||
| 5 | Bolt | SS304 | 17 | Pin | 45# | 29 | Shaft | |||||||
| 6 | Nut | SS304 | 18 | Gear box | 30 | Cover | GGG40 | |||||||
| 7 | Disc | GGG40 | 19 | Yoke | GGG40 | 31 | Bolt | 8.8 | ||||||
| 8 | Pin | SS420 | 20 | Nuts | 8.8 | 32 | Washer | 8.8 | ||||||
| 9 | Upper shaft | SS420 | 21 | Washer | 8.8 | 33 | Washer | 8.8 | ||||||
| 10 | O ring | NBR | 22 | Washer | 8.8 | 34 | Glandb bush | Copper | ||||||
| 11 | Gland bush | Copper | 23 | Bolt | 8.8 | 35 | O ring | NBR | ||||||
| 12 | Packing gland | GGG40 | 24 | Nut | 8.8 | 36 | Seat | SS304/SS316 | ||||||
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