Brochure
74
800.292.2737 | sales@aymcdonald.com | aymcdonald.com
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.
BLOCK 1 - INLET TYPE
6 = All meter bars
BLOCK 2 - METER BAR TYPE
9 = Meter bar w/valve
(3/4” union valve)
BLOCK 3 - METER BAR SPREAD
1 = 6” spread (no swivel)
BLOCK 4 - END CONFIGURATION / BAR TYPE
8 = Vertical inlet x Vertical outlet
BLOCK 5 - FINISH / PACKAGING
– = Black cast iron nish
G = Zinc plated with Clear Sealant
H = Zinc plated with Clear Sealant & Painted
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 - BLANK
BLOCK 6 - OUTLET END TYPE
B = FNPT integral
C = FNPT insulated O-ring union
F = FNPT insulated at gasket union
S = FNPT non-insulated O-ring union
U = FNPT non-insulated at gasket union
BLOCK 7 - TAP(S) LOCATION
– = No tap
C = Pos. C
D = Pos. D
N = Pos. C & D
See drawing on page 40 for positions
Example: Model number 6918-CNM 3/4” x 3/4 x 3/4” means:
TO ORDER:
1 2 3 4 5 6 7 8 9
SIZE
SWIVEL
INLET OUTLET TAP SIZE
6 9 1 8 - C N M 3/4” x 3/4” x 3/4”