Product Overview

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Cast Iron Meter Bars
Cast Iron Meter Bars
4-19
FOR CAST IRON METER BARS & BYPASS METER BARS
Meter Bars
A.Y. McDonald Mfg. Co. Gas Meter Bars can be ordered to t your requirements. Select the features you need from list below and build
your own ordering number. Please note the difference in numbers between regular meter bars, and meter bars with built in swivels. Meter
bars with swivels have two extra blocks before the size to select the size and type of swivels.
Typical Installation
BLOCK 1 - INLET TYPE
6 = All meter bars
BLOCK 2 - METER BAR TYPE
5 = Standard meter bar with integral MNPT inlet
BLOCK 3 - METER BAR SPREAD
6 = 6” spread
BLOCK 4 - END CONFIGURATION / BAR TYPE
9 = Vertical elbow inlet by horizontal outlet
BLOCK 5 - FINISH / PACKAGING
– = Black cast iron nish
G = Zinc plated with Clear Sealant nish
H = Zinc plated with Clear Sealant & paint
P = Painted nish
BLOCK 8 - TAP PLUG SIZE / TYPE*
– = No tap
A = 1/8" NPT recessed hex head plug
B = 1/8" NPT square head plug
C = 1/8" NPT - no plug
D = 1/4" NPT recessed hex head plug
E = 1/4" NPT square head plug
F = 1/4" NPT - no plug
G = 3/8" NPT recessed hex head plug
H = 3/8" NPT square head plug
J = 3/8" NPT - no plug
K = 1/8” NPT square head plug (raised bosses)
L = 1/8” NPT hex head (raised bosses)
M = 1/8" NPT hex head plug
N = 1/4" NPT square head plug in inlet and 1/8"
recessed hex head plug in outlet
P = 1/4” NPT temperature/pressure plug
BLOCK 9 - SWIVEL SIZE & TYPE
A = 10LT - 10 Light swivel with at gasket seal
B = 20LT - 20 Light swivel with at gasket seal
C = 20LTO - 20 Light swivel with o-ring
F = OEM - O-Emco swivel with at gasket seal
G = OEMO - O-Emco swivel with o-ring seal
H = 1A - #1A Sprague swivel with at gasket seal
J = 1AO - #1A Sprague swivel with o-ring seal
BLOCK 10 - SWIVEL SPECIALS
- = Standard swivel & nuts
BLOCK 6 - OUTLET END TYPE
C = FNPT insulated O-ring union
E = FNPT insulated at gasket union
(reducing NPT)
F = FNPT insulated at gasket union
H = MNPT insulated O-ring union
M = MNPT integral
S = FNPT non-insulated O-ring union
U = FNPT non-insulated at gasket union
W = FNPT non-insulated at gasket union
(reducing NPT)
BLOCK 7 - TAP(S) LOCATION
– = No tap
A = Pos. A
B = Pos. B
C = Pos. C
D = Pos. D
E = Pos. A & B
H = Pos. A & C
J = Pos. A & D
K = Pos. B & C
L = Pos. B & D
N = Pos. C & D
Q = Pos. A, B & C
R = Pos. A, B & D
T = Pos. A, C & D
W = Pos. B, C & D
X = Pos. A, B, C & D
See drawing on page 40 for positions
1 2 3 4 5 6 7 8 9 10 SPACE SIZE
SWIVEL
INLET OUTLET SIZE
Example: Model number 6569GBAAB- 1”x1” 20LT means:
TO ORDER:
6 5 6 9 G B A A B - 1” x 1” 20LT
FEATURES:
- Strength - Solid One Piece Cast Iron Construction
- Accuracy - Correct Meter Alignment Every Time
- Time - Ready to Install From Factory
- Safety - Fewer Leak Paths Connect Directly To Regulator
- Space - Compact Meter Sets
- Replaceable Meter Nuts