We are offering butterfly damper valve.
''roy'' was contracted by a client in the petro-chemical industry to fabricate a large diameter damper for their waste heat recovery system, a commonly used economic method to increase plant production or to transfer energy. This damper would handle flue gas with dust, and called for a flow rate of 222,000 scfm, a design temperature of 750°f, an inlet pressure of 2 psig, and shut off pressure of 3 psig. Seal design for this damper was a hi-performance bolted metal step seat.
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