SECTION
1
Regulators Model 243 Capacity Tables
(continued)
1
Natural Gas Chart
orifice size and valve angle pipe size 2” Set Point 1 psi .2 psi Droop Black Spring 1 to 2 psi 143-16-021-07
orifice size and valve angle
Inlet pressure (psi)
11/4”
1”
3/4”
3/4”
1/2”
3/8”
1/4”
30
30
30
10
10
10
10
2 5 10 15 25 40 60 80 100 125
3350 6600 11000 13000
3000 5900 10000 12000 15000
2000 4200 7600 9300 16500 20000
1900 3900 6500 8300 11000 14000 15500
1200 2400 4100 5600 8500 12500 13000 14000 14000
1000 1600 2800 3800 5300 7500 10000 12000 12000 12000
500 1000 1450 1700 2400 3400 4400 5600 7000 8000
pipe size 2” Set Point 2 psi .6 psi Droop Cadium Spring 11/2 to 3 psi 143-16-021-08
Inlet pressure (psi)
11/4”
1”
3/4”
3/4”
1/2”
3/8”
30
30
30
10
10
10
10
5 10 15 25 40 60 80 100 125
8200 12500 15500
7400 11300 14500 18000
5200 8700 11500 16500 20000
4800 7800 10000 13500 16500 16500
2900 4800 6500 9000 12500 15500 16000 16000
1900 3000 3800 5300 7600 10000 12000 12000 12000
900 1400 1700 2400 3400 4600 5600 7000 8000
1/4”
Propane Gas Chart
2” Model 243-12-2 Capacity Table in 1000’s of BTU’s of Undiluted Propane Gas (1.5 Specific Gravity — 14.65 psia — 60°F)
orifice size and valve angle pipe size 2” Set Point 1 psi .2 psi Droop Black Spring 1 to 2 psi 143-16-021-07
orifice size and valve angle
Inlet pressure (psi)
11/4”
1”
3/4”
3/4”
1/2”
3/8”
1/4”
30
30
30
10
10
10
10
pipe size
2 5 10 15 25 40 60 80 100 125
5251 10345 17242 20377
4702 9248 15674 18809 23512
3135 6583 11913 14577 25863 31349
2978 6113 10188 13010 17242 21944 24295
1881 3762 6427 8778 13323 19593 20377 21944 21944
1567 2508 4389 5956 8307 11756 15674 18809 18809 18809
784 1567 2273 2665 3762 5329 6897 8778 10972 12540
2” Set Point 2 psi .6 psi Droop Cadium Spring 11/2 to 3 psi 143-16-021-08
Inlet pressure (psi)
11/4”
1”
3/4”
3/4”
1/2”
3/8”
30
30
30
10
10
10
10
5 10 15 25 40 60 80 100 125
12853 19593 24295
11599 17712 22728 28214
8151 13637 18026 25863 31349
7524 12226 15674 21160 25863 25863
4546 7524 10188 14107 19593 24295 25079 25079
2978 4702 5956 8307 11913 15674 18809 18809 18809
1411 2194 2665 3762 5329 7210 8778 10972 12540
TO ORDER, CALL: 800.243.9360 • CT: 860.722.2433 • FAX: 800.274.2004
1/4”
19
regulators & accessories
2” Model 243-12-2 Capacity Table in SCFH of Natural Gas (0.6 Specific Gravity — 14.65 psia — 60°F)