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Contact Supplier250-PHO: Pump Head Only
The 250-PHO offers reliability and precision in a small package. The 250 pump head, with 2 14″ square housing, is capable of flow rates up to 450 ml per minute. The 250-PHO is a good choice for use from the laboratory to industrial applications. It is available in fixed speed, air drive and, variable DC configurations.
250-342: Vari-Flowâ„¢ DC Speed Control Pump
The 250 Variflow features the 250 pump mounted to steel base and coupled to a geared 300 rpm DC motor with a DC speed control. The control comes in three different levels that are specified by the last digit in the part number. Each control is encased in a NEMA 4X enclosure, and accepts either 115 or 230 VAC input power at 50 or 60 Hz. The table breaks down in greater detail the control options for the pump.