Production according to: GOST
Of steel: 20,09Г2С, (08)12х18н10Т, 10Х17Н13М2Т, 06ХН28МДТ, 15Х5М, 03Х17Н14М3 etc.
A flange is a disc with evenly spaced holes for bolts and studs, used for a strong and tight connection of pipes and pipeline fittings, for connecting them to machines, apparatuses and tanks, for connecting shafts and other rotating parts (flange connection).
Weld neck flanges can also be supplied with a set of mounting parts (stud, nut, gasket)
Production
Weld neck flanges GOST 33259-15 This standard primarily applies to flanges of valves, fittings and pipelines for a nominal pressure up to Ру 250 МПа
GOST 12821-80 –this standard applies to steel welded flanges of pipelines and fittings. In addition, this includes connecting flanges of fittings, connecting parts of machines, devices, branch pipes, apparatuses and tanks for nominal pressure from 0,1 – 20 МПа (to 1 – 200 кгс/см2) and ambient temperature from – 253 °С до + 600 °С. Steel weld neck flanges with a diameter of 10 mm to 600 mm are produced in accordance with this standard from carbon and low alloy steel.
You can buy collar flanges in wholesale and retail lots at the best price in the SILENA company .
You can also order flat flanges from us in accordance with GOST 33259-15 and GOST 12820-80, as well as studs for flange connections.
In stock
| FLANGES GOST 12821-80 steel 12х18н10т |
FLANGES GOST 33259-2015 steel 12х18н10т |
| 1-20-16 steel 12Х18Н10Т GOST 12821-80 | 25-16-11-1-В steel 12Х18Н10Т IV GOST 33259-2015 |
| 1-25-10 steel 12Х18Н10Т GOST 12821-80 | 32-16-11-1-В steel 12Х18Н10Т IV GOST 33259-2015 |
| 1-32-40 steel 12Х18Н10Т GOST 12821-80 | 50-16-11-1-В steel 12Х18Н10Т IV GOST 33259-2015 |
| 1-40-10 steel 12Х18Н10Т GOST 12821-80 | 50-40-11-1-В steel12Х18Н10Т-IV GOST 33259-2015 |
| 1-40-40 steel 12Х18Н10Т GOST 12821-80 | 80-16-11-1-В steel 12Х18Н10Т IV GOST 33259-2015 |
| 1-65-40 steel 12Х18Н10Т GOST 12821-80 | 100-16-11-1-В steel12Х18Н10Т IV GOST 33259-2015 |
| 1-80-40 steel 12Х18Н10Т GOST 12821-80 | 150-16-11-1-В steel 12Х18Н10Т IV GOST 33259-2015 |
| 1-100-16 steel 12Х18Н10Т GOST 12821-80 | 200-16-11-1-В steel 12Х18Н10Т IV GOST 33259-2015 |
| 1-100-40 steel 12Х18Н10Т GOST 12821-80 | 200-40-11-1-В steel 12Х18Н10Т IV GOST 33259-2015 |
| 1-100-6 steel 12Х18Н10Т GOST 12821-80 | |
| 1-150-16 ст.12Х18Н10Т ГОСТ 12821-80 | |
| 1-150-40 ст.12Х18Н10Т ГОСТ 12821-80 | |
| 1-200-10 ст.12Х18Н10Т ГОСТ 12821-80 | |
| 1-200-16 ст.12Х18Н10Т ГОСТ 12821-80 |
For information on the price and quantity of the collar flange, check with the sales managers tel. (812)313-79-89 sale@zsd-silena.ru