Valve steel flange SN, PN-40, DM-50-500
Offer type: salePublished: 27.02.2015
Valve SN are used as locking devices on pipelines transporting water, steam, air, dry natural gas, petrochemical products, liquid or gaseous , non-aggressive to the materials of the product at temperatures up to +450°C (t/f SN); wet natural gas, petroleum products with hydrogen sulfide to 0.1%, petrochemicals, liquid or gaseous, the corrosion rate at which steel AND not exceed 0.2 mm/year at a process temperature of not more than +450°C (for t/f neg). The valve housing is made by casting, a stop valve dual collapsible or solid wedge stem seal gland. To install an in-line valve is recommended in the vertical position, the allowable deviation of the vertical. Flange connection to the pipeline according to GOST 12815-80.
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Aleksandr Tkachuk
