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            SP3(STT31N)

            Nominal size: 25, 15~20, 32~50

            Connection: internal thread, socket weld, flange

            Nominal pressure PN: PN25

            Differential pressure range MPa: 0.03~1.6

            PMA/TMA  PMa/℃: 1.76/350

            Housing material: forged steel 20

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            Features

            1. It has an insulation structure, which is not affected by the environment and works reliably.

            2. Replaceable hardened stainless steel working surface, long life, easy maintenance.

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

            4. It can be repaired online, and it can work reliably when installed in any direction.

            Uses: used in petroleum, chemical, metallurgy, rubber, papermaking, printing and dyeing and other low-pressure steam mains, heat tracing pipes and small heating equipment.

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