Needle valve BARSTOCK

electricmeteringfor water

virtually free of hysteresis ("see-sawing") bubble tight shutoff straight (180°) or 90° flow patterns sixteen turns to full open Description Designed for controlling very low flowrates of liquids and gases, MFV™ Barstock valves are available in six conveniently overlapping orifice-needle sizes. Offered in straight (T) and 90 degree (L) flow patterns, the MFV™ Barstock Valve includes a “non-rising stem” design, it’s unique non-rotating needle is cylindrical with a precision ground tapered metering surface. The needle moves in a rectilinear fashion which accounts for its desirable sixteen- turn high resolution attribute. Hysteresis is virtually eliminated due to the needle design and the closely fitting fine thread on its adjustment plunger. The valve body is precision machined chrome plated brass or type 316 stainless steel.