Dimensions | Gas Ratio Regulators
7218/7219A REGULATOR
Minimum Ambient Temperature: -20°F (standard and -V) Low Fire Accuracy at <3"w.c. impulse: Spring bias setting capabilities: –0.2"w.c. to +1.7"w.c. Repeatability: ±0.05"w.c. High Fire Accuracy at 3" to 41.5"w.c. impulse: Impulse/outlet pressure offset: 0.5 to 5% Repeatability: ±0.3"w.c. Turndown: Exceeds 20:1
internal pressure sensing tube 7218 only
G
G
G
1 ½ "
1⁄8 " Pipe plug
N
A–fpt INLET
A–fpt OUTLET
-7 Flanged*
F
M
E
¼ " fpt ‡
FIELD PIPING FOR 7219A REGULATOR
D
P
C
gas in
Install 7218/7219A Regulators with diaphragm horizontal and below the pipe.
Q minimum length for downstream pressure sensing
vent or cross-connection to controlled combustion air line
dimension in inches
Regulator designation
wt,
A
C
D
E
F
G
M
N
P
Q
lb
— — — — — —
7218-01, 7219A-01 7218-0, 7219A-0 7218-1, 7219A-1 7218-2, 7219A-2 7218-3, 7219A-3 7218-4, 7219A-4 7218-5, 7219A-5 7218-6, 7219A-6 7218-7*, 7219A-7*
7 ½ 7 ½ 7 ½
3 ¾ 3 ¾ 3 ¾ 5 ¼ 5 ¼ 6 ¾ 9 ¼ 9 ¼ 9 ¼
6 7⁄8
2 ½ 2 ½ 2 ¾ 2 ¾ 3 1⁄16 3 5⁄16
9 1⁄8 9 1⁄8
2 ¼ 2 ¼ 2 7⁄16
2 11⁄16 2 11⁄16 2 11⁄16 3 15⁄16 3 15⁄16
6 5⁄8 6 5⁄8 8 7⁄8 9 ¼ 11 3⁄8 13 ½
7.5 7.5
½
6 7⁄8 6 7⁄8
¾
1
9 5⁄16
8
1 ¼ 1 ½
10 ½ 10 ½ 13 ½ 18 ½ 18 ½ 18 ½
5 29⁄32 5 29⁄32
8 29⁄32
3
12
9 1⁄32
3 1⁄8 3 3⁄8
13
2
7 3⁄16
10 9⁄16
5 ¼
17
— — —
2 ½
11 25⁄32 11 25⁄32 12 9⁄32
6 7⁄16 6 7⁄16
4 ½
15 25⁄32 16 9⁄32 18 1⁄32
4
17
38
3
4 13⁄16 8 21⁄32
4 ½ 5 ¾
20 ¼
40
4
7 1⁄8
24
84
* Threaded companion flanges included. ‡ For proper size impulse pipe, see paragraph A7 on Instructions 7218-2.
DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSTION, INC. IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL.
Bulletin 7218/7219A Page 3
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