Check valves are used to prevent the working medium from moving in the opposite direction. They are intended for installation in water supply, heat supply, fire extinguishing, refrigeration and other systems where check valves of this design are used.
It is used on: industrial water; drinking water; demineralized water; distilled water; mineral and synthetic oils; unleaded gasoline; most drilling fluids; methane; propane; refrigerants of the HFA, HFB, HFC groups; aqueous solutions of ethylene and propylene glycol of any concentration, diesel fuel with an aromatic hydrocarbon content of no more than 40%, aviation kerosene, vegetable oils and fats, animal oils and fats, solutions of foaming agent for foam extinguishing systems, on ethyl and methyl alcohol, natural gas up to 12 bar of operating pressure, compressed air up to 12 bar of operating pressure, in steam and condensate lines.
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Nominal diameter, mm:
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DN15-200
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Nominal pressure, bar:
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PN40
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Housing material:
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stainless steel. AISI 316 steel
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Disk material:
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stainless steel. AISI 316 steel
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Temperature range:
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-25°C..+ 240°C (briefly -40°C..+ 300°C
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Execution:
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flanged
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Climatic design:
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UHL 3.1, 4, 4.1, 4.2, 5 according to GOST 15150-69
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The standard of the mating flanges::
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EN 1092, DIN 2501, GOST 33259-2015, PN40/25/16
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