Combustion Catalog | Fives North American

Capacity | High Pressure Gas Regulator

CAPACITY INFORMATION

Table D provides the natural gas regulating capacities of the 7334 regulators at specific inlet pressures and outlet pressure settings. Flows are in SCFH (60°F and 14.7 psia) of 0.6 specific gravity gas. For specific gravity conversion factors to other gases, refer to the “Selection Section”.

Table B. 7334 Regulator Control Spring Ranges

-3A & -4 Size

-3 Size

Numbering

-1 Size

Series

Unit

-1

6 8

8

8

10 12

— 10 16 24

-2 -3 -4 -5 -6 -7 -8 -9

10 16

10 12

6

Values

10 16

20 28 40 52 64 3.2

10 16 24 32

"L" Series

24 36 48 64 3.2

20 28 40 52 2.3 3.2 4.4

"w.c.

24 36 48 2.3 3.2 4.4

32 48 64 2.9 4.4 5.8 7.5

48 2.2 2.9 4.1 5.5 7.5

"M" Series

5.1

5.1

-10

5.8 6.5

5.8 6.5

Values

-11

5.1

5.1

-12 -13 -14 -15 -16 -17 -18

6.5 9.4 12.3 17.4 26.1

9.4 12.3 17.4 26.1 29.0

6.5 9.4 12.3 17.4 26.1

9.4 12.3 17.4 26.1 29.0

10.9

psi

10.9 16.0

16.0 29.0

"H" Series

29.00 43.50

43.50 58.00

29.00 43.50

43.50 58.00

29.00 43.50 43.50 58.00

Note: Spring of a regulator can be changed only with another spring of the same series.

Table C. 7334 Over Pressure Safety Shut-off Valve-spring range (psi)

Numbering

Pressure Range

Series

-1

0.58

1.16 2.61

"L" Series

-2 -3 -4 -5 -6 -7 -8 -9

1.16

2.03

5.075

"M" Series

5.075 6.525 3.625 7.975

7.25 17.4

17.4

"H" Series

36.25

36.25

58

58

84.1

Note: Springs of shut-off valve are chosen in accordance with outlet pressure series.

Bulletin 7334 Page 3

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