GOST 12820 PN10 Flange
A flange is a method of connecting pipes, valves, pumps and other equipment to form a pipework system. It also provides easy access for cleaning, inspection or modification. Flanges are usually welded or crewed into such systems and then joined with bolts.
Product Details
Any spot facing or back facing shall not reduce the flange thickness to less than the flange thickness
specified. When spot facing is used, the diameter shall be large enough to accommodate the outside
diameter of the equivalent normal series of washers in accordance with EN ISO 887 for the bolt size
being fitted. The bearing surfaces for the bolting shall be parallel to the flange face within the limits
given in Table 22. When a flange is back faced a minimum fillet radius, R2 (see Figure 17) in accordance
with Table 23 shall be maintained.
| 1. Standard: | GOST 12820- 80 GOST 12821- 80 | |
| 2. Type: | Plate flange, Threaded, Irrigation,Blind, Lap Joint flange. Type | |
| 3. Pressure Class: | PN6;PN10; PN16; PN25; PN40; | |
| 4. Dimension: | DN10-2000 | |
| 5. Surface Treament: | Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc. | |
| 6. Raw Material: | RST 37.2; P245GH ; S235JR | |
| 7. Packing | Wooden Case, Pallet. | |
| 8. Payment: | L/C, T/T, Western Union, PayPal | |
| 9. Delivery time: | 30 ~60 days after confirm the order | |
| 1. Standard: | GOST 12820- 80 GOST 12821- 80 | |
| 2. Type: | Plate flange, Threaded, Irrigation,Blind, Lap Joint flange. Type | |
| 3. Pressure Class: | PN6;PN10; PN16; PN25; PN40; | |
| 4. Dimension: | DN10-2000 | |
| 5. Surface Treament: | Anti-rust oil; Yellow paint; Black paint;Hot dip Galavnised; Zinc. | |
| 6. Raw Material: | RST 37.2; P245GH ; S235JR | |
| 7. Packing | Wooden Case, Pallet. | |
| 8. Payment: | L/C, T/T, Western Union, PayPal | |
| 9. Delivery time: | 30 ~60 days after confirm the order | |
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