User Guide

4 © Copyright 2006 TAC All Rights Reserved. F-27013-4
Environment
Ambient Temperature Limits:
Shipping & Storage, -40 to 158°F (-40 to 70°C)
Operating, 35 to 125°F (2 to 52°C).
Fluid, 32 to 200° F (0° to 93° C) (not steam rated).
Humidity: 5 to 95% RH, non-condensing.
Seat Leakage: ANSI class IV (0.01%)
Shipping Weight: 1.9 lbs (860 g), actuator and valve body.
Location: NEMA Type 1.
Agency Listings (Actuator Only):
UL873: Underwriters Laboratories (File #E9429 Category Temperature Indicating and
Regulating Equipment) Class 2.
CUL: UL Listed for use in Canada by Underwriters Laboratory. Canadian Standards C22.2
No. 24.
European Community: CE Approved.
Australia: This product meets the requirements to bear the C-Tick Mark according to the
terms specified by the Communications Authority under the Radio Communications Act of
1992.
Table-1 Flow Coefficients & Maximum Close-Off Differential Pressure.
Valve
Size in.
Connection Type
Flow Coefficient
Cv (kv)
Maximum Close-Off ΔP, PSI (kPa)
Non-Spring
Operating Mode
(Driven Close)
Spring Return
Operating Mode
(Driven Closed)
Spring Return
Power Failure Mode*
(Spring Close) PSIΔ
1/2 NPT, SW, SAE, Rp 1.0 (0.9) 50 (344) 50 (344) 50 (344)
1/2 NPT, SW, SAE, Rp
2.0 (1.8) 50 (344) 50 (344) 20 (138)
3/4 NPT, SW, Rp
1/2 NPT, SW, SAE, Rp
4.0 (3.5) 35 (241) 35 (241) 20 (138)3/4 NPT, SW, SAE, Rp
1SW
3/4 NPT, SW, Rp 7.5 (6.5) 35 (241) 35 (241) 15 (103)
1SW, Rp
8.0 (6.9) 35 (241) 35 (241) 15 (103)
1-1/4 SW
*If valve is driven closed before a power failure, the "operating mode" close-off pressures apply.
Valve Body Legend
NPT — Threaded
SW — Sweat
SAE — Society Automotive Engineers.
Rp—"Metric" Threaded