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Description
Not freezing valve respiratory NDKM - 150 is intended for sealing of gas space of tanks with oil and oil products and regulations of pressure in this space in the set limits for the purpose of reduction of losses from evaporation of oil products and reduction of environmental pollution.
The NDKM - 150 valve is installed on an assembly branch pipe on a tank roof through a connecting flange of an adapter. For protection against direct impact of an atmospheric precipitation and wind the valve has a cover and four peaks for vacuum valves.
On resistance to influence of climatic factors of the external environment valves are manufactured performed by At category of placement 1 in accordance with GOST 15150 - 69.
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Example of designation at the order: NDKM - 150 U1 of TU 3689 - 065 - 10524112 - 2004
where: 150 — conditional pass of the valve, mm -
U1 — climatic modification.
