Schneider Electric AV-352 Data Sheet
Application
The AV-352 valve linkage is used to field-install gear
train actuators on specified 2-1/2" to 6" valve bodies.
Features
• Compatible with Schneider Electric
2-1/2" to 6" valves
AV-352
Gear Train Actuator Valve Linkage
General Instructions
• Provides increased close-off pressure on
2-1/2" to 4" valves
• Required for rated close-off pressure on
5" and 6" valves
Applicable Literature
• Environmental Controls Cross-Reference Guide,
F-
23638
• Environmental Controls Reference Manual,
F-
21683
• Environmental Controls Application Manual,
F-
21335
• Environmental Controls Catalog, F-16650
Printed in U.S.A. 6-10 © Copyright 2010 Schneider Electric All Rights Reserved. F-19070-7
SPECIFICATIONS Close-Off Pressure Rating
Refer to Table-1 and Table-2 to make sure the valve, valve linkage, and actuator are
compatible with each other, and that the close-off rating is adequate.
Table-1 Valve Close-Off Ratings, Pivot Pin Position, and Crank Arm Pivot Radius.
Valve Body Information
Valve Body
Part Number
VB-202-0-2-12
VB-202-0-2-13 85 3 77 (531) 1 2 (50.8)
VB-202-0-2-14 145 4 42 (290) 1 2 (50.8)
VB-202-0-2-15 235 5 20 (138) 2 2-1/2 (63.5)
VB-202-0-2-16 350 6 14 (97) 2 2-1/2 (63.5)
VB-804-0-2-12
VB-804-0-2-13 101 3 77 (531) 1 2 (50.8)
VB-804-0-2-14 170 4 42 (290) 1 2 (50.8)
VB-804-0-2-15 290 5 20 (138) 1 2-3/4 (69.8)
VB-804-0-2-16 390 6 14 (97) 2 2-1/8 (53.9)
VB-817-0-2-14
VB-817-0-2-15 "U" = 195, "L" = 220 5 125 (862) 1 2-1/2 (63.5)
VB-817-0-2-16 "U" = 250, "L" = 275 6 125 (862) 2 2-1/8 (53.9)
VB-9213-0-4-12 2-Way
VB-9213-0-4-13 85 3 77 (531) 1 2 (50.8)
Description C
2-Way
(Obsolete)
125 psig
Flanged
3-Way Mixing
(Obsolete)
125 psig
Flanged
3-Way Diverting
(Obsolete)
125 psig
Flanged
(Current)
250 psig
Screwed
"U" = 160, "L" = 180 4 125 (862) 1 2-1/4 (57.1)
v
56 2-1/2 112 (773) 1 2 (50.8)
74 2-1/2 112 (773) 1 2 (50.8)
56 2-1/2 112 (773) 1 2 (50.8)
Size
in.
Close-Off
Pressure*
psi (k Pa)
Pivot Pin
Position
Approximate
Crank Arm
Pivot Radius
in. (mm)
VB-9213-0-5-12
VB-9213-0-5-13 85 3 77 (531) 1 2 (50.8)
VB-9213-0-5-14 145 4 42 (290) 1 2 (50.8)
VB-9213-0-5-15 235 5 20 (138) 2 2-1/2 (63.5)
VB-9213-0-5-16 350 6 14 (97) 2 2-1/2 (63.5)
VB-9313-0-4-12 3-Way Mixing
VB-9313-0-4-13 101 3 77 (531) 1 2 (50.8)
VB-9313-0-5-12
VB-9313-0-5-13 101 3 77 (531) 1 2 (50.8)
VB-9313-0-5-14 170 4 42 (290) 1 2 (50.8)
VB-9313-0-5-15 290 5 20 (138) 2 2-1/2 (63.5)
VB-9313-0-5-16 390 6 14 (97) 2 2-1/2 (63.5)
VB-9323-0-5-14
VB-9323-0-5-15 "U" = 195, "L" = 220 5 125 (862) 1 2-1/2 (63.5)
VB-9323-0-5-16 "U" = 250, "L" = 275 6 125 (862) 2 2-1/8 (53.9)
*The actuator used must have a 180° travel and a minimum torque of 175 lb-in.
Typical Actuators: MC-351, MC-421, MC-431, MC-4311, MC5-4311, MP-381, MP-382, MP-451, MP-452,
MP-481-600, MP-485, MP-486, MP-4851, and MP5-4851
2-Way
(Current)
125 psig
Flanged
(Current)
250 psig
Screwed
3-Way Mixing
(Current)
125 psig
Flanged
3-Way Diverting
(Current)
125 psig
Flanged
56 2-1/2 112 (773) 1 2 (50.8)
74 2-1/2 112 (773) 1 2 (50.8)
74 2-1/2 112 (773) 1 2 (50.8)
"U" = 160, "L" = 180 4 125 (862) 1 2-1/4 (57.1)
2 © Copyright 2010 Schneider Electric All Rights Reserved. F-19070-7
Table-2 Pivot Pin Position and Crank Arm Pivot Radius
for Valves Not Included in Table-1.
Temperature Restrictions
Valve Stroke
(For Rated Flow)
Stem Up to
Stem Down
in. (mm)
1 (25.4) 1-1/16 (26.9) 1-1/8 (28.5) 1 2-1/8 (53.9) 2-1/4 (57.1) 0.252
1-1/8 (28.5) 1-3/16 (30.1) 1-1/4 (31.7) 1 2-3/8 (60.3) 2-1/2 (63.5) 0.252
1-1/4 (31.7) 1-5/16 (33.3) 1-3/8 (34.9) 1 2-5/8 (66.6) 2-3/4 (69.8) 0.252
1-3/8 (34.9) 1-7/16 (36.5) 1-1/2 (38.1) 1 2-7/8 (73) 3 (76.2) 0.252
1-1/2 (38.1) 1-9/16 (39.6) 1-5/8 (41.2) 2 2 (50.8) 2-1/8 (53.9) 0.385
1-3/4 (44.4) 1-13/16 (46) 1-7/8 (47.6) 2 2-3/8 (60.3) 2-1/2 (63.5) 0.385
2 (50.8) 2-1/16 (52.3) 2-1/8 (53.9) 2 2-5/8 (66.6) 2-3/4 (69.8) 0.385
2-1/4 (57.1) 2-5/16 (58.7) 2-3/8 (60.3) 2 3 (76.2) 3-3/32 (78.5) 0.385
For a 180° actuator: crank arm pivot radius = (required lift/2)(lever ratio).
Example: If the required lift is 1-1/8", the crank arm pivot radius = (1.125/2)(0. 252) = 2.232", or approximately 2- 1/4".
Required Linkage Lift
Including 1/16"
Compression on Valve Seats
in. (mm)
2-Way Valve 3-Way Valve 2-Way Valve 3-W ay Valve
Required
Pivot Pin
Position
Approximate Crank Arm
Pivot Radius
in. (mm)
Lever
Ratio
Verify that the fluid temperature of the media in the valve and the ambient temperature at
the actuator do not exceed the values shown in
Table-3.
Required Components
Table-3 Restrictions on the Maximum Ambient Temperature for the Actuators.
Maximum Temperature of Media in the Valve
(Check Ratings of Valve)
260°F (126°C) 136°F (57°C)
281°F (138°C) 125°F (52°C)
300°F (149°C) 100°F (37°C)
Maximum Ambient Temperature
for Actuator
The actuators and the valves (see Table-1 and Table-2) must be purchased separately.
F-19070-7 © Copyright 2010 Schneider Electric All Rights Reserved. 3
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