Brochure

Valve Selection Guide for Two-Way Valves
8
© Copyright 2006 TAC. All Rights Reserved. F-27414-1
HOW TO USE TABLE:
1. Select the vertical column that has a valve body series that meets your requirements.
2. Select the horizontal column with correct type of actuator (Pneumatic or Electric/Electronic) and correct input signal for
Electric/Electronic actuator.
3. The intersection of the two columns shows the pages for complete selection and ordering information.
Valve Application
Hot Water
340°F Max.;
100 psig Max. Steam
Hot Water
366°F Max.;
150 psig Max. Steam
Hot Water
300°F Max.;
50 psig Max.
Steam
Hot Water 250°F Max.;
15 psig Max. Steam
Valve Body Type
Globe Valves Ball Valve
Screwed Screwed
316 Stainless Steel
Screwed
NPT Screwed
VB-2253-0-8-P
a
a
Linkage Required
Stem Up Open VB-7253-0-4-P VB-7273-0-4-P —
—
Stem Up Closed
VB-7263-0-4-P
a
VB-7283-0-4-P
b
b
Not applicable with gear train actuators. Use stem up open valve body with N.C. actuator.
VBS-9263-0-6-P
Static Pressure Rating
250 psig 250 psig 250 psig 125/150 psig
Sizes Available
1/2 to 2 in. 1/2 to 2 in. 1/2 to 3/4 in. 1/2 to 2 in.
Range of Cv’s Available
0.4 to 40 0.4 to 40 0.10 to 6.2 1.0 to 389.0
Flow Type
Modified Linear Modified Linear Modified Linear Equal %
PNEUMATIC ACTUATORS
c
c
Optional inputs available to pneumatic are: SPST, SPDT, slidewire (Series 90), TAC System 8000 (voltage input 2 to 15 Vdc), current input 4 to 20 mA.
These options are shown with the specific valve selected.
Pages
21 to 26 21 to 26 50 to 53
—
ELECTRIC/ELECTRONIC ACTUATORS
Input Signals
Pages
Two-Position (SPST)
(Spring Return)
27 to 31 27 to 31
—
54 to 58
Two-Position
(SPDT Snap Acting)
(Non-Spring Return)
32 to 41 32 to 41 50 to 53 54 to 58
TAC System 8000,
Voltage Input 2 to 15 Vdc
27 to 31 27 to 31
——
Slidewire (Series 90)
32 to 41 32 to 41
——
Current Input 4 to 20 mA etc.
50 to 53
—
Floating Control,
SPDT or Two SPST, Direct Digital Control
—
54 to 58
Pneumatic to Electric ——