BARSTOCK VALVES Designed for controlling very low flow rates of liquids and gases, MFVTM Barstock valves are available in seven conveniently overlapping orifice-needle sizes. MFVTM Valve-Straight Flow BARSTOCK METERING VALVES MFVTM Virtually free of hysteresis (see-sawing). Bubble tight shutoff. Straight or 90 degree flow patterns. Brass or 316 stainless steel high resolution. Sixteen turns to full open. Offered in straight (T) and 90 degree (L) flow patterns, the MFVTM 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. SPECIFICATIONS MAXIMUM PRESSURE 500 psig (3792 kPa). MAXIMUM TEMPERATURE 180 °F (82 °C) -brass. 250 °F (121 °C). VALVE STEM Sixteen turns, non-rising type. **MATERIALS OF CONSTRUCTION BODY Chrome plated brass or 316 stainless steel. VALVE NEEDLE 316 stainless steel. ORIFICE 316 stainless steel with PTFE liner for valve sizes 1, 2 and 3; PCTFE for valve sizes 4,5,6 and 7. O-RINGS Buna-N® (brass valves). Viton® (stainless valves). **The selection of materials of construction, is the responsibility of the customer. The company accepts no liability. WWW.AALBORG.COM - E-MAIL ౧ : [email protected] - PHONE  845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.

BARSTOCK VALVES ORDERING INFORMATION BARSTOCK METERING VALVES MFVTM Note: Based on 10psig(69 kPa) inlet pressure and atmospheric exhaust. 53 WWW.AALBORG.COM - E-MAIL M : [email protected] - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A.