April 2016, Vol. 243, No. 4

Conval offers Clampseal Throttling Valves for severe service applications that require repeatable flow control and dependable shutoff. The valves are available in ½ – to 4-inch sizes through ASME Class 4500. Standard forging materials include SA 105, SA 182-F22, SA 182-F91, SA 182-F92, and SA 182-F316. The venturi is an integral part of the removable seat. Both the seat and the stem assembly are easily changed inline should flow characteristics change or replacement due to excessive corrosion or wear be necessary. The orifice is sized to keep fluid velocity across the seat below damaging levels.

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