Brochure

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800.292.2737 | [e-mail] | aymcdonald.com
Angle Ball Valves
Bypass Ball Valves
4-19
BLOCK 1 - INLET TYPE
83 = Integral FNPT
BLOCK 2 - OUTLET TYPE
7 = Female insulated O-ring union
8 = Female insulated at gasket
9 = Female non-insulated at gasket
BLOCK 3 - FINISH
B = Black cast iron nish
G = Zinc plated with Clear Sealant nish
H = Zinc plated Clear Sealant & paint
P = Painted nish
BLOCK 4 - TAP(S) LOCATION
A = Pos. A (Bypass)
B = Pos. B
C = Pos. C
D = Pos. A & B (A with 3/8” recessed head)
E = Pos. A & C (C with 3/8” recessed head)
F = Pos. A & C (A with 3/8” square head)
BLOCK 5 - TAP SIZE / PLUG TYPE
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
Example: Model number 837B means:
TO ORDER:
FOR 837 SERIES OUTLET ANGLE VALVES - BALL STYLE
Meter Outlet / Bypass Ball Valves - 837 Series
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 valves, and valves with built in swivels. Meter valves
with swivels have two extra blocks before the size to select the size and type of swivels.
1 2 3 4 5 SPACE SIZE
INLET PORT SIZE OUTLET
8 3 7 B A G 3/4” x 3/4” x 3/4”