Brochure
3-Way Globe Valves, Screwed End (15 to 50 mm) with Hydraulic Actuators
F-27414-1 © Copyright 2006 TAC. All Rights Reserved. 151
TABLE 2. Nominal Hydaulic 3-Way
Valve Close Off Ratings (See Table 3
For Controller Calibration.)
Spring Closes (Normally Closed) Spring Opens (Normally Open)
VA, VF, and VS
P Code
MP-5X1X
Analog Actuators:
6 to 9m 0 to 10 Volt, and 4 to 20
mA
a
a
Factor shipments have unpainted large springs. For - to 10 volt and 4 to 20 mA controllers use blue and booster springs (See Table 3.)
MA-521X & MF521X
Digital Actuators:
2 Position and Floating
All Actuators:
Analog, 2 Position and Floating
ACTUATOR CLOSE-OFF WITH SPRINGS SHOWN kPa
Valve Body
Valve Size mm. Unpainted
Unpainted with
Booster
Unpainted
Unpainted with
Booster
Unpainted Black
15
-1,-2,-3 -4 900 1700 1300 1700 910 1700
VB-7315-0-4-P
20 -5,-6 550 1200 910 1300 550 1300
25 -7,-8 270 410 340 620 270 1000
32 -9 170 270 240 410 170 620
40 -10 100 170 140 240 100 410
50 -11 40 95 70 140 40 340
TABLE 3. Controller Calibration and Spring Usage For VB-7XXX Valves.
MP-512X Series
a
a
MA, MF, MP-541X, and MP-55XX actuator positioning is independent of spring selected.
Valve Size mm Spring(s)
Controller Calibration
b
b
When using TAC System 8000 controller or a 5 to 20 mA signal across a 500 ohm resistor to get the proper voltage.
Nominal Conrtrol Range
b
VB-7315 - Mixing
VB-7325 - Diverting
15 to 50
Large Unpainted 7.5 Volts 6 to 9 Volts
PNV-145-48
c
Blue with Small
Unpianted Booster
d
c
PNV-145-48 blue spring is not part of this kit. It is only required for controllers limited to 10 volts or 20 mA maximums.
d
Used with signals limited to 10 volts as 0 to 10 Vdc and 4 to 20 mA across a 500 ohm resistor. Note a reduced control range.
7.5 Volts 6 to 9 Volts
15 mA 14 to 16 mA
TABLE 4. Dimensions (mm).
Valve Body
Actuator Series
MA/MF/MP/MPR-5XXX
a
a
Add 53 mm to the “C” dimension for a valve assembly using an AV-601 linkage extension.
Part Number
Size
mm
AB C
VB-7315-0-4-P
15
76 35 200
20
92 43 200
25
117
40 203
32
41 208
40
137 41 214
50
156 48 214