
Optional features and accessories available for this
Macon product are an extra charge, and not included
in the standard model price.
www.maconbalancing.com
Tunstall Corporation
118 Exchange Street · Chicopee, MA 01013
Phone (413) 594-8695 · Fax (413) 598-8109
Section:
Components
Bulletin-MB-LL-AI-0915
Model AI
(Low-Lead)
Submittal Data
Model Low-Lead AI Automatic Inline Valve is an automatic flow control
device. The removable flow cartridge is factory set to automatically limit
the GPM to within ± 10% of the specified flow. Standard features include
Low-Lead, EPDM O-rings and seals, MNPT & SWT end connections.
SPECIFICATIONS
Pressure Ratings:
232 PSI (1599 kPa)
Temperature Ratings:
250ºF (121ºC)
Accuracy:
± 10% of flow rate
Body Material:
Low-Lead Brass
End Connections:
MNPT & SWT, Inlet and Outlet
Flow Cartridge: 1/2” thru 1”
Ultrason
®
Composite
Seals:
EPDM
NOMINAL DIMENSIONS & WEIGHTS
SIZE
A
B
C
in mm
lbs kg
1/2”
15
in 0.50 4.25 1.56
0.80 0.40
mm 12.70 107.95 39.69
3/4”
20
in 0.75 4.81 1.56
0.80 0.40
mm 19.05 122.24 39.69
1” 25
in 1.00 6.00 1.56
1.00 0.50
mm 25.40 152.40 39.69
*
Dimensions not for construction purposes unless certified by factory
.
Reference Differential Control Pressure Ranges graph below for pressure ranges
WEIGHT
Cartridge
0.50”- 1.00" Low-Lead AI Automatic Inline Valve
PRESSURE DIFFERENTIAL RANGE CHART
GPM
Pressure Differential
Control Range (psid)
GPM
Pressure Differential
Control Range (psid)
0.50
2 - 14
4.00
2 - 32
0.75 4.50
1.00
2 - 32
5.00
4 - 34
1.50 6.00
2.00 7.00
2.50 8.00
3.00 9.00
3.50 10.00
5 - 35
Item Number
Inlet
Outlet
LL-AI-050M-050M
1/2” MPT 1/2” MPT
LL-AI-050M-050S 1/2”
MPT
1/2”
SWT
LL-AI-050S-050S
1/2” SWT 1/2” SWT
LL-AI-075M-075M
3/4” MPT 3/4” MPT
LL-AI-075M-075S 3/4”
MPT
3/4”
SWT
LL-AI-075S-075S
3/4” SWT 3/4” SWT
LL-AI-100M-100M
1” MPT
1” MPT
ORDERING CHART
LL-AI-100M-100S
1” MPT
1” SWT
LL-AI-100S-100S
1” SWT
1” SWT
LOW LEAD
AUTO
M
ATI
C
18
Summary of Contents for Macon AB Series
Page 38: ...This page left blank intentionally MANUAL 38 ...
Page 48: ...STRAINERS This page left blank intentionally 48 ...
Page 52: ...This page left blank intentionally SHUT OFF VALVES 52 ...
Page 56: ...This page left blank intentionally UNIONS 56 ...
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