Product Overview

Dimensions
2
3
/16”
D
C
A
B
A
C
A A
D
A
B
E
D
A A
E
A
B
F
D
A A
A
B
F
C
A
A
A
B
E
3 ¾”
C
3
7
/16”
A
2
3
/8”
B
A
CALEFFI
A B
AB
A B
AB
CALEFFI
2
3
/8”
3
7
/16”
3 ¾”
3 ¾”3 ¾”
3
7
/16”
3
7
/16”
2
3
/8”
2
3
/8”
2
3
/16”
3 ¾” 3 ¾”
2
3
/16”
3
7
/16”
3
7
/16”
C
C
AB
AB
49
63
AB
AB
49
63
6442 series
2-way
6443.. 3BY code,
3-way by-pass
version
Actuator is in OPEN position with brown wire powered.
Actuator is in CLOSED position with black wire powered.
Code A B C D
Wt
(lb)
644249A ½" sweat 3
7
⁄8" 2
3
⁄8" 1
7
⁄16”
2.3
644259A ¾" sweat 4
7
⁄16" 2
3
⁄8" 1
7
⁄16” 2.3
644269A 1" sweat 5
9
⁄16" 2
3
⁄8" 1 ½” 2.3
644246A ½" press 4 ¾" 2
3
⁄8" 1
7
⁄16”
2.4
644256A ¾" press 4 ¾" 2
3
⁄8" 1
7
⁄16”
2.4
644266A 1" press 5 ¼" 2
3
⁄8" 1 ½”
2.4
644240A ½" NPT 4
5
⁄8" 2
3
⁄8" 1
7
⁄16”
2.3
644250A ¾" NPT 4
5
⁄8" 2
3
⁄8" 1
7
⁄16”
2.3
644260A 1" NPT 5 ¼" 2
3
⁄8" 1 ½”
2.3
2
3
/16”
D
C
A
B
A
C
A A
D
A
B
E
D
A A
E
A
B
F
D
A A
A
B
F
C
A
A
A
B
E
3 ¾”
C
3
7
/16”
A
2
3
/8”
B
A
CALEFFI
A B
AB
A B
AB
CALEFFI
2
3
/8”
3
7
/16”
3 ¾”
3 ¾”3 ¾”
3
7
/16”
3
7
/16”
2
3
/8”
2
3
/8”
2
3
/16”
3 ¾” 3 ¾”
2
3
/16”
3
7
/16”
3
7
/16”
C
C
Code A B C D E
Wt
(lb)
644349A 3BY ½" sweat 4
5
⁄8" 2
3
⁄8" 1
7
⁄16” 2
5
⁄16”
2.5
644359A 3BY ¾" sweat 4
5
⁄8” 2
3
⁄8" 1
7
⁄16” 2
5
⁄16” 2.5
644369A 3BY 1" sweat 5 ¼” 2
3
⁄8" 1 ½” 2
5
⁄8” 2.5
644346A 3BY ½" press 4 ¾" 2
3
⁄8" 1
7
⁄16” 2 ½”
2.6
644356A 3BY ¾" press 5
1
⁄16” 2
3
⁄8" 1
7
⁄16” 3
1
⁄8”
2.6
644366A 3BY 1" press 5 ¼" 2
3
⁄8" 1 ½” 2
5
⁄8”
2.6
644340A 3BY ½" NPT 3
7
⁄8" 2
3
⁄8" 1
7
⁄16” 1
7
⁄8”
2.5
644350A 3BY ¾" NPT 4
7
⁄16" 2
3
⁄8" 1
7
⁄16” 2
1
⁄8”
2.5
644360A 3BY 1" NPT 5
9
⁄16" 2
3
⁄8" 1 ½” 2 ¾”
2.5