Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:10 pc
Supply Capability:10000 pc/month
The main structure of 815 & 830 series butterfly valve follows wafer amd flanged three-eccentric structure, but 815 & 830L series butterfly valve consist of body round with lugs and the desgin of single flange with bolting holes. 815 & 830 series buttferfly valve is widely applicable to petroleum, chemical industry, environmental protection water treatment, high building, water supplying and drain pipelines, and so on.
For the three-eccentric stucture, reliable sealing ability, it assure not to contact the seat when the disc is in open position and eliminate uneven load of the seats, extend the usage lifetime, and also assure the reliable sealing ability with high temperature resistant, friction resistant, corrosion resistant, etc.
Applicable Standard
Design standard: API609-83 ; CJ/T261-2007
Flange dimension: ANSI B 16.5
Face-to-face: ANSI B 16.10-1992
Pressure test: API 598-82
Main Technical Paramerter
| Nominal Diameter | DN(mm) | 830W | 830L |
| 2"-36" | 2"-36" | ||
| Nominal Pressure | PN(MPa) | 150Lb | 300Lb |
Ps(MPa) Test pressure | Intensity Test | 3.0 | 7.5 |
| Seal test | 2.2 | 5.5 | |
| Applicable Medium | Water, sea water, oil product | ||
Applicable Temperature | -29°C to 425°C | ||
Material for main parts
| Parts Name | Material |
| Body | WCB，304，316，316SS，CF8M |
| Disc | WCB，304，316，316SS，CF8M |
| Seats | 316，2Cr13，1Cr18Ni9Ti |
| Steam | 316，Fluorine plastic |
| Packing | Flexible graphite，Fluorine plastic |
Please consult customer service before placing an order( in order to confirm with size and material of the relevant product).
