Product Overview

2 © Copyright 2006 TAC. All Rights Reserved. F-26939-3
Specific ations
Valve
Applications Chilled or hot water
Type of End Fitting NPT, Rp threaded
Size 1 in. through 2 in. (25 mm through 50 mm)
Action Mixing
Valve Assembly Series VX-73XX-XXX-4-P
Flow Type Linear
Nominal Rangeability 500 to 1
Material
Body Bronze
Stem 316 stainless steel
Packing Spring-loaded TFE
Seat Bronze (metal to metal seating)
Plug Brass
Linkage Materials
Housing Corrosion resistant zinc plated steel
Rack and Pinion Corrosion resistant zinc plated steel
ANSI Pressure Class 250 psig (1723 kPa), up to 400 psig (2757 kPa) below 150°F (66°C)
a
a
Do not apply the above valve pressure rating to the piping system.
Pressure Class (VB-7XX5) PN16
Seat Leakage Class ANSI III (0.1% of rated Cv)
Fluid Temperature - Minimum 20 °F (-7 °C) non-freezing
Fluid Temperature - Maximum 281 °F (138 °C)
Allowable Differential Pressure
b
b
Maximum recommended differential pressure. Do not exceed the recommended differential pressure (pressure drop) or the integrity of valve parts may be affected. Exceeding the
maximum recommended differential pressure voids the product warranty.
35 psi (241 (kPa) max. for normal lifespan.