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            STT31N

            Nominal size NPS: ? ? ~ 1 1? ~ 2

            Connection: internal thread socket welding flange
            Nominal pressure Class: 150
            Pressure difference range bar: 0.3 ~ 12
            PMA/TMA bar/℃ : 12.1/250
            Shell material: A105



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            Features

            1. With air insulation structure, not affected by the environment, more reliable work.

            2. Interchangeable hardened stainless steel working surface, to meet the long life of use, easy maintenance.

            3. Built-in filter, not affected by impurities.

            4. Installation in any direction can work reliably.

            Application: Widely used in petroleum, chemical industry, metallurgy, rubber, paper making, printing and dyeing and other low pressure, tracing pipeline and small heating equipment.



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