Fluorine-lined vertical check valve
is suitable for various concentrations of aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acids, strong acids and strong oxidants at -50℃～+150℃. FEP is also suitable for various concentrations It is used in pipelines containing strong alkali organic solvents and other corrosive gases and liquid media. Main features: 1. The fluorine-lined check valve is an automatic anti-corrosion valve that automatically opens and closes the disc to prevent the reverse flow of the medium depending on the flow of the medium itself, also known as a check valve or a one-way valve. 2. The surface of the inner cavity of the valve body is covered with a variety of optional fluoroplastics, which have the characteristics of high strength and good corrosion resistance. 3. It is suitable for different working temperatures and fluid pipelines to prevent the one-way opening and closing of the reverse flow of the medium on various pipelines or equipment. 4. The fluorine-lined check valve is suitable for various concentrations of aqua regia, hydrochloric acid and various organic acids, strong acids and strong oxidants at -50℃～+150℃. FEP is also suitable for various concentrations of strong alkali organic solvents and other It is used on pipelines with corrosive gas and liquid medium. 5. Fluorine-lined check valve is widely used in water, gas, oil, chemical, smelting, energy, shipbuilding, electric power, petroleum, water treatment, construction and other industries due to its advantages. Technical parameters: Nominal diameter (mm) DN15~50015~500DN15~300DN15~500DN50~1200DN200~1800 Nominal pressure (MPa) PN0.6~1.6PN0.6~1.6PN0.6~2.5PN0.6~2.5PN0.6 ~4.0PN0.6~1.6 Valve material Gray cast iron, carbon steel, stainless steel Lining material PTFE(F4), FEP(F46), PCTEF(F3), PVDF(F2), GXPP, GXPO, UHMW-PEGXPO Applicable media see Anticorrosion Lining material working temperature (℃) Design and manufacture GB/T13932-1992, GB/T12235-1989, Q/ZXD 01-1999, API6D structure length GB/T 12221-1989 Connection flange JB/T 82.1-94, GB/T9113 .1-2000 Pressure Test GB/T 13927-1992 Product Standard: Design Standard GB12224 Structure Length GB12221 Flange Standard JB/T79-94GB9113.1-26 Inspection Test GB/T13927 Part Material: Part Name Material Upper and lower valve body cast iron, cast iron Steel, stainless steel, lined with F46, F3 valve disc cast steel, stainless steel, lined with F46, F3 washer F4
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