Maxitrol's 325 L Models are certified under CSA Z21.80 for 2 psi inlet pressure, with 7 to 11 (inches w.c. outlet) spring.
For 2 psi Piping Systems |
Maximum Individual Load-
Largest single appliance served by the regulator |
Capacity-
Total load of all appliances combined |
|
|
Model |
Pipe Size |
Load |
|
|
|
325-3L |
(3/8",
1/2") |
140,000
Btu/hr |
|
|
|
325-5AL |
(1/2") |
300,000
Btu/hr |
|
|
|
325-5AL |
(3/4",
1") |
|
|
|
325-7L |
(1.25",
1.5") |
900,000
Btu/hr |
|
|
|
| |
Capacities- 0.64 specific gravity in CFH (m3/h) |
Model #
(pipe size) |
Outlet Pressure Set Point |
1/2 psi
(34 mbar) |
3/4 psi
(52 mbar) |
1 psi
(69 mbar) |
1.5 psi
(103 mbar) |
2 psi
(138 mbar) |
325-3L
(3/8", 1/2") |
7.0"
w.c. |
145
(4.1) |
200
(5.7) |
250
(7.1) |
250
(7.1) |
250
(7.1) |
10.0"
w.c. |
110
(3.1) |
180
(5.1) |
230
(6.5) |
250
(7.1) |
250
(7.1) |
325-5AL
(1/2") |
7.0"
w.c. |
335
(9.5) |
425
(12.0) |
425
(12.0) |
425
(12.0) |
425
(12.0) |
10.0"
w.c. |
250
(7.0) |
420
(11.9) |
425
(12.0) |
425
(12.0) |
425
(12.0) |
325-5AL
(3/4", 1") |
7.0"
w.c. |
335
(9.5) |
475
(13.5) |
550
(15.6) |
550
(15.6) |
550
(15.6) |
10.0"
w.c. |
250
(7.0) |
420
(11.9) |
535
(15.1) |
550
(15.6) |
550
(15.6) |
325-7L
(1.25", 1.5") |
7.0"
w.c. |
690
(19.5) |
970
(27.5) |
1000
(28.3) |
1000
(28.3) |
1000
(28.3) |
10.0"
w.c. |
520
(14.7) |
860
(24.4) |
1000
(28.3) |
1000
(28.3) |
1000
(28.3) |
| |
Pressure
Drop - 0.64 specific gravity
in CFH (m3/h)
|
|
Model
# |
7.0"
w.c.
(17 mbar) |
1/2
psi
(32 mbar) |
3/4
psi
(52 mbar) |
1
psi
(69 mbar) |
2
psi
(138 mbar) |
325-3L |
145
(4.0) |
204
(5.8) |
250
(7.0) |
289
(8.2) |
|
325-5AL |
338
(9.6) |
476
(13.5) |
583
(16.5) |
673
(19.1) |
|
325-7L |
690
(19.5) |
972
(27.6) |
1191
(33.8) |
1375
(39.0) |
1975
(55.9) |
For 5 psi Piping Systems - 5 psi
inlet with 7-11 (inches w.c.) certified spring |
Maximum Individual Load-
Largest single appliance served (regulator + OPD) |
Capacity-
Total load of all appliances combined (regulator + OPD) |
|
|
|
Load |
|
325-3L47 |
(3/8",
1/2") |
OPD 47 |
125,000
Btu/hr |
|
325-3L48 |
(1/2") |
OPD 48 |
200,000
Btu/hr |
|
325-5AL48 |
(1/2") |
OPD 48 |
235,000
Btu/hr |
|
325-5AL48 |
(3/4") |
OPD 48 |
320,000
Btu/hr |
|
325-5AL600 |
(3/4") |
OPD 600 |
425,000
Btu/hr |
|
325-5AL600 |
(1") |
OPD 600 |
465,000
Btu/hr |
|
325-7L210 |
(1.25",
1.5") |
OPD 210 |
900,000
Btu/hr |
|
| |
Capacities- 0.64 specific gravity in CFH (m3/h) |
Model # (pipe size) |
Outlet Pressure Set Point |
1/2 psi
(34 mbar) |
3/4 psi
(52 mbar) |
1 psi
(69 mbar) |
5
psi (345 mbar) |
|
325-3L47
(3/8") |
7.0"
w.c. |
125
(3.5) |
125
(3.5) |
125
(3.5) |
125
(3.5) |
|
| 10.0"
w.c. |
100
(2.8) |
125
(3.5) |
125
(3.5) |
125
(3.5) |
|
325-3L47
(1/2") |
7.0"
w.c. |
125
(3.5) |
125
(3.5) |
125
(3.5) |
125
(3.5) |
|
| 10.0"
w.c. |
105
(3.5) |
125
(3.5) |
125
(3.5) |
125
(3.5) |
|
325-3L48
(1/2") |
7.0"
w.c. |
160
(4.5) |
200
(5.6) |
200
(5.6) |
200
(5.6) |
|
| 10.0"
w.c. |
120
(3.4) |
200
(5.6) |
200
(5.6) |
200
(5.6) |
|
325-5AL48
(1/2") |
7.0"
w.c. |
235
(6.6) |
235
(6.6) |
235
(6.6) |
235
(6.6) |
|
| 10.0"
w.c. |
235
(6.6) |
235
(6.6) |
235
(6.6) |
235
(6.6) |
|
325-5AL48
(3/4") |
7.0"
w.c. |
320
(9.0) |
320
(9.0) |
320
(9.0) |
320
(9.0) |
|
| 10.0"
w.c. |
245
(6.9) |
320
(9.0) |
320
(9.0) |
320
(9.0) |
|
325-5AL600
(3/4") |
7.0"
w.c. |
345
(9.6) |
425
(11.9) |
425
(11.9) |
425
(11.9) |
|
| 10.0"
w.c. |
260
(7.3) |
425
(11.9) |
425
(11.9) |
425
(11.9) |
|
325-5AL600
(1") |
7.0"
w.c. |
375
(10.5) |
465
(13.0) |
465
(13.0) |
465
(13.0) |
|
| 10.0"
w.c. |
285
(8.0) |
465
(13.0) |
465
(13.0) |
465
(13.0) |
|
325-7L210
(1.25", 1.5") |
7.0"
w.c. |
650 (18.4) |
900
(25.5) |
900
(25.5) |
1.5
psi (103 mbar) = 900 (25.5) |
2
psi (138 mbar) = 900 (25.5) |
| 10.0"
w.c. |
490
(13.9) |
821
(23.2) |
900
(25.5) |
1.5
psi (103 mbar) = 900 (25.5) |
2
psi (138 mbar) = 900 (25.5) |
| |
Pressure
Drop - 0.64 specific gravity
in CFH (m3/h)
|
|
Model
# |
(Pipe
Size) |
7.0"
w.c.
(17 mbar) |
1/2
psi
(34 mbar) |
3/4
psi
(52 mbar) |
| 325-3L47 |
(3/8") |
130
(3.6) |
185
(5.2) |
|
| 325-3L47 |
(1/2") |
135
(3.8) |
195
(5.4) |
|
| 325-3L48 |
(1/2") |
160
(4.5) |
225
(6.3) |
|
| 325-5AL48 |
(1/2") |
315
(8.8) |
450
(12.6) |
|
| 325-5AL48 |
(3/4") |
325
(9.1) |
465
(13) |
|
| 325-5AL600 |
(3/4") |
345
(9.6) |
490
(13.7) |
|
| 325-5AL600 |
(1") |
375
(10.5) |
535
(15) |
|
| 325-7L210 |
(1.25",
1.5" ) |
660
(18.7) |
930
(26.3) |
1140
(32.3) |
|
