Overview of Primary Product
D
B
E
A
A
A
D
B
E
A
A
D
B
E
A
F
G
F
B
A
D
E
F F
A
D
B
E
F
A
G
F
B
A
D
E
T
max
250F
P
max 150 psi
T
max
220F
P
max 150 psi
BI-DIRECTIONAL
38466.01
T
max
250F
P
max 150 psi
T
max
220F
P
max 150 psi
BI-DIRECTIONAL
38466.01
A
A
D
E
C
C
C
C C
C C
B
G
A
D
B
E
A
F
C
D
B
E
A
A
A
D
B
E
A
A
D
B
E
A
F
G
F
B
A
D
E
F F
A
D
B
E
F
A
G
F
B
A
D
E
T
max
250F
P
max 150 psi
T
max
220F
P
max 150 psi
BI-DIRECTIONAL
38466.01
T
max
250F
P
max 150 psi
T
max
220F
P
max 150 psi
BI-DIRECTIONAL
38466.01
A
A
D
E
C
C
C
C C
C C
B
G
A
D
B
E
A
F
C
* Add suffix C to sweat and NPT code number when ordering the brass
DISCAL to ship with expansion tank service check valve, code561402A.
* Add suffix C to sweat, NPT and press (below) code numbers when
ordering the brass DISCAL to ship with expansion tank service check
valve, code561402A.
D
B
E
A
A
A
D
B
E
A
A
D
B
E
A
F
G
F
B
A
D
E
F F
A
D
B
E
F
A
G
F
B
A
D
E
T
max
250F
P
max 150 psi
T
max
220F
P
max 150 psi
BI-DIRECTIONAL
38466.01
T
max
250F
P
max 150 psi
T
max
220F
P
max 150 psi
BI-DIRECTIONAL
38466.01
A
A
D
E
C
C
C
C C
C C
B
G
A
D
B
E
A
F
C
1/2
”
E
C
B
F
D
Code A B C D E F Wt (lb)
551705A
3
⁄4" NPT 5
1
⁄8" 2
3
⁄16" 5
3
⁄8" 9
1
⁄4" 3
1
⁄2" 4.9
551765A
3
⁄4" press 6
3
⁄8" 2
3
⁄16" 5
3
⁄8" 9
3
⁄4” 3
1
⁄2" 4.9
551795A
3
⁄4" SWT 6" 2
3
⁄16" 5
3
⁄8" 9
3
⁄16” 3
1
⁄2" 4.9
551706A 1" NPT 6
3
⁄4" 2
3
⁄16" 5
3
⁄8" 9
3
⁄4” 3
1
⁄2" 4.9
551766A 1" press 6
3
⁄4" 2
3
⁄16" 5
3
⁄8" 9
3
⁄4” 3
1
⁄2" 4.9
551796A 1" SWT 7" 2
3
⁄16" 5
3
⁄8" 9
3
⁄4” 3
1
⁄2" 4.9
551716* -- 3
3
⁄4” 2
3
⁄16" 5
3
⁄8" 9
1
⁄4" 3
1
⁄2" 4.4
* Body only, no end connection fittings. Source separately, see Caleffi
catalog for end connection code numbers.
Code A Lay length
551765A
3
⁄4" press 4
5
⁄8"
551766A 1" press 4
3
⁄4"
Dimensions
Code A B C D E F Wt (lb)
551003A*
3
⁄4" NPT 3
1
⁄16" 2
3
⁄16" 5
3
⁄8" 6
7
⁄8"
1
⁄2" 2.0
551022A*
3
⁄4" SWT 3
1
⁄16" 2
3
⁄16" 5
3
⁄8" 6
7
⁄8"
1
⁄2" 2.0
Code A B C D E F Wt (lb)
551005A*
3
⁄4" NPT 4
5
⁄16" 2
3
⁄16" 5
3
⁄4" 7
1
⁄2"
1
⁄2" 3.7
551006A* 1" NPT 4
5
⁄16" 2
3
⁄16" 5
3
⁄4" 7
1
⁄2"
1
⁄2" 3.7
551007A* 1
1
⁄4" NPT 4
7
⁄8" 2
3
⁄16" 6
9
⁄16" 8
1
⁄4"
1
⁄2" 4.9
551008A* 1
1
⁄2" NPT 4
7
⁄8" 2
3
⁄16" 6
9
⁄16" 8
1
⁄4"
1
⁄2" 4.9
551009A* 2" NPT 5
1
⁄8" 2
3
⁄16" 6
9
⁄16" 8
1
⁄4"
1
⁄2" 5.5
551028A* 1" SWT 5
1
⁄16" 2
3
⁄16" 5
3
⁄4" 7
1
⁄2"
1
⁄2" 3.7
551035A* 1
1
⁄4" SWT 5
3
⁄16" 2
3
⁄16" 6
5
⁄16" 8
1
⁄4"
1
⁄2" 3.7
551041A* 1
1
⁄2" SWT 5
3
⁄4" 2
3
⁄16" 6
9
⁄16" 8
1
⁄4"
1
⁄2" 4.9
551054A* 2" SWT 6
1
⁄8" 2
3
⁄16" 6
9
⁄16" 8
1
⁄4"
1
⁄2" 5.5
Code A B C D E F Wt (lb)
551066A* 1" press 6
3
⁄16" 2
3
⁄16" 5
3
⁄4" 7
1
⁄2"
1
⁄2" 3.8
551067A* 1¼" press 7
7
⁄16" 2
3
⁄16" 5
3
⁄4" 7
1
⁄2"
1
⁄2" 5.0
551068A* 1
1
⁄2" press 8" 2
3
⁄16" 6
9
⁄16" 8
1
⁄4"
1
⁄2" 5.1
551069A* 2" press 8
1
⁄2" 2
3
⁄16" 6
9
⁄16" 8
1
⁄4"
1
⁄2" 5.5
Code A Lay length
551066A* 1" press 4
1
⁄2"
551067A* 1¼" press 5
1
⁄8"
551068A* 1
1
⁄2" press 5
1
⁄4"
551069A* 2" press 5
1
⁄2"