CONDENSED CAPACITY TABLE IN SCFH OF NATURAL GAS
(O.6 Specific Gravity-14.65 psia-60 F.)
o
2”
243-12
1
1
⁄
2
”
243-12
1
1
⁄
2
” and 2”
243-12
with External
Control Line
2” size only.
INLET
PRESSURE
psi
ORIFICE
SIZE
and
VALVE
ANGLE
OUTLET PRESSURE SER POINT and SPRING
6” w.c.
RED
SPRING
(1” w.c.
droop)
7” w.c.
BLUE
SPRING
(1” w.c.
droop)
11” w.c.
GREEN
SPRING
(2” w.c.
droop)
18” w.c.
ORANGE
SPRING
(3” w.c.
droop)
1 psi
BLACK
SPRING
(0.2 psi
droop)
2 psi
CADMIUM
SPRING
(0.6 psi
droop)
2
5
15
25
40
60
100
125
1
1
⁄
4
”-30
1
1
⁄
4
”-30
1
1
⁄
4
”-30
1”-30
3
⁄
4
”-30
3
⁄
4
”-10
1
⁄
2
”-10
3
⁄
8
”-10
6,400
11,000
14,000
15,000
20,000
15,000
13,000
12,000
6,000
11,000
14,000
15,000
20,000
15,000
13,000
12,000
5,600
10,500
14,000
15,000
20,000
15,500
14,000
12,000
4,200
8,000
13,500
16,500
20,000
15,000
14,000
12,000
3,350
6,600
13,000
15,000
20,000
15,500
14,000
12,000
• • • •
8,200
15,500
18,000
20,000
16,500
16,000
12,000
2
5
15
25
60
100
125
1
1
⁄
4
”-30
1
1
⁄
4
”-30
1
1
⁄
4
”-30
1”-30
3
⁄
4
”-10
1
⁄
2
”-10
3
⁄
8
”-10
4,000
6,100
9,300
11,000
12,000
12,000
11,000
3,800
5,700
9,300
11,000
10,500
12,000
11,000
4,000
6,000
10,000
11,500
12,500
12,500
11,000
3,000
5,600
10,000
11,500
12,500
13,000
11,000
2,800
5,500
10,000
11,000
12,500
13,000
11,000
• • • •
6,000
13,000
14,500
15,000
16,000
12,000
5
5
10
10
25
25
40
80
100
125
1”-10
1
1
⁄
4
”-10
1”-10
1
1
⁄
4
”-10
1”-10
1
1
⁄
4
”-10
1”-10
3
⁄
4
”-10
1
⁄
2
”-10
3
⁄
8
”-10
8,200
10,500
12,000
15,000
20,000
22,000
24,000
30,000
19,000
15,000
6,500
7,800
10,000
13,000
17,000
20,000
21,000
21,000
19,000
15,000
7,200
8,500
11,000
13,500
17,000
20,000
24,000
27,000
19,000
15,000
5,500
6,500
8,000
11,000
15,000
18,000
21,000
22,000
19,000
15,000
5,400
7,000
8,500
10,500
14,500
18,000
20,000
22,000
19,000
15,000
6,800
8,600
10,500
13,000
20,000
25,000
25,000
25,000
19,000
15,000
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
*
O
O
*
O
O
*
O
O
O
O
INLET
PRESSURE
psi
ORIFICE
SIZE
AND
VALVE
ANGLE
6” w.c.
RED-BLACK
SPRING
(1” w.c.
droop)
7” w.c.
BLUE-BLACK
SPRING
(1” w.c.
droop)
18” w.c.
GREEN
SPRING
(3” w.c.
droop)
1 psi
ORANGE
SPRING
(0.2 psi
droop)
3 psi
BLACK
SPRING
(0.6 psi
droop)
5 psi*
CADMIUM
SPRING
(1 psi
droop)
10 psi*
CADMIUM and
WHITE SPRING
(2 psi
droop)
1
1
⁄
2
”
243-8
1
1
⁄
4
”
243-8
2”
243-8
2
10
25
40
80
100
125
1”-30
1”-30
1”-30
3
⁄
4
”-10
1
⁄
2
”-10
3
⁄
8
”-10
1
⁄
4
”-10
3,200
7,400
12,500
10,500
11,500
11,000
8,000
2,700
7,000
12,500
10,500
11,500
11,000
8,000
2,100
6,600
11,500
11,000
12,000
11,000
8,000
2,100
6,500
11,000
11,000
11,500
11,000
8,000
• • • •
7,100
12,500
13,000
13,500
12,000
8,000
• • • •
6,000
12,000
12,000
11,000
11,000
8,000
• • • •
• • • •
12,000
15,000
17,000
15,000
9,000
2
10
25
40
80
100
125
3
⁄
4
”-10
3
⁄
4
”-10
3
⁄
4
”-10
3
⁄
4
”-10
1
⁄
2
”-10
3
⁄
8
”-10
1
⁄
4
”-10
2,250
3,100
4,200
4,200
5,600
6,000
6,000
1,700
2,900
4,200
4,800
5,600
6,000
6,000
1,900
2,950
4,400
5,300
4,850
6,000
8,000
1,850
2,700
4,150
5,300
4,650
6,000
8,000
• • • •
3,600
5,000
6,300
5,500
6,550
8,000
• • • •
3,300
4,400
5,800
4,500
6,000
8,000
• • • •
• • • •
9,000
12,000
13,000
13,000
8,800
5
10
25
40
80
100
125
1”-30
1”-30
1”-30
3
⁄
4
”-30
1
⁄
2
”-10
3
⁄
8
”-10
1
⁄
4
”-10
5,500
9,400
14,500
20,000
14,000
12,000
8,000
4,000
7,000
14,500
17,500
13,500
11,000
8,000
4,400
7,600
15,000
17,500
15,000
12,000
8,000
• • • •
6,000
13,000
12,000
11,500
11,000
8,000
• • • •
• • • •
15,500
22,000
18,500
16,000
9,000
Refer to Bulletin R-1306 for detailed capacity tables and curves. *243-8HP only.
OUTLET PRESSURE SET POINT and SPRING
4
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
