Water Circulation Pumps & Circulators Plus Two Multi-Purpose Valve ©Taco Catalog # 300-4.
1 Stainless Steel Spring 2 Bronze Gland (Thread Guide) 3 Stem Packing 4 Calibrated Nameplate 5 Metering Port 6 Ductile Iron Valve Body 7 Valve Body “O” Ring 8 Replaceable EPDM Soft Seat 9 Stainless Steel Seat Disc 4 10 1 7 2 11 10 Memory Indicator 3 11 Stem 8 9 5 6 Typical Installation PLUS TWO MULTI-PURPOSE VALVE PLUS TWO MULTI-PURPOSE VALVE SUCTION DIFFUSER SUCTION DIFFUSER BASE MOUNTED SINGLE SUCTION PUMP VERTICAL IN-LINE PUMP
Design The Taco “Plus Two” Multi-Purpose Valve combines all the valve functions that are normally required on the discharge side of a centrifugal pump in a hydronic heating or cooling system into one body. It is a Shut-Off Valve, a Non-Slam Check Valve, a Balancing Valve, a Flow Metering Valve, and now it is field convertible from a straight pattern to a 90 degree right angle pattern.
Model Number Size Connection A B (Class 250*) C D Dimensional Data MPV 015-4 B (Class 125*) 1 1 ⁄ 2 (38.1) NPT Threaded 8.00 (203) 1.44 (037) 1.44 (037) 4.70 (119) 2.39 (061) MPV 020-4 2 (50.8) NPT Threaded 8.00 (203) 1.44 (037) 1.44 (037) 4.70 (119) 2.39 (061) 1.93 (049) 1.93 (049) Plus Two Multi-Purpose Valve (Threaded 2 1 ⁄ 2 (63.5) NPT or Flanged MPV 025-4 Threaded Connection) 10.63 (270) Model Number Connection MPV 030-4* A Size MPV 015-4 1 1 ⁄ 2 (38.