Owner manual
1-3
Introduction
O-rings
Standard: Buna-N
Optional: Viton-A
®
fluoroelastomers
Window
Scratch resistant, UV stabilized polycarbonate
Protective sleeve
must
remain
over
glass
tube.
Fasten meter windows securely.
Failure to comply could result in serious personal
injury or property damage.
WARNING
GLASS TUBE EXPLOSION HAZARD
Connections
NPT female
Dimensions
Refer to Figure 1-2
1-4 Optional Equipment
Mounting - front of panel screws
Table 1-1. Capacities.
WATER AIR @ 14.7 PSIA AND 70°F (21°C)
METER PRESSURE DROP VISCOSITY IMMUNITY PRESSURE DROP PSI
SIZE TUBE FLOAT GPM LPM INCHES W.C. CEILING, CS (**) SCFM SLPM INCHES W.C. CRITICAL (*)
GLASS 0.17 0.64 1.0 1.0 0.93 26.3 2.0 0
7 R-7M-25-1F STN. STL. 0.37 1.40 3.0 1.0 1.64 46.4 4.0 0
MONEL 0.39 1.48 4.0 1.0 1.72 48.7 4.0 0
8-RV-3 0.78 2.95 4.0 2.0 3.17 89.8 4.0 0
8-RV-8 1.09 4.13 7.0 3.7 4.45 126.0 8.0 0
8-RS-8 1.40 5.30 10.0 1.8 5.86 166.0 11.0 0
8 R-8M-25-4F 8-RV-14 1.45 5.49 12.0 5.4 5.88 166.5 14.0 0
8-RS-14 1.83 6.93 17.0 1.9 7.56 214.1 19.0 0
8-RV-31 2.06 7.80 23.0 7.0 8.32 235.6 28.0 30
8-RS-31 2.59 9.80 33.0 3.1 10.66 301.9 37.0 30
9-RV-33 2.53 9.58 6.0 11.0 10.45 295.9 7.0 0
9 R-9M-25-3F 9-RS-33 3.24 12.26 7.0 2.4 13.45 380.9 8.0 0
9-RV-87 3.92 14.84 14.0 17.0 16.25 460.2 16.0 30
9-RS-87 5.12 19.38 17.0 3.5 21.20 600.4 20.0 30
10-RV-64 6.28 23.77 11.0 15.0 25.76 729.5 13.0 0
10 R-10M-25-3F 10-RS-64 7.84 29.67 15.0 3.7 32.15 910.5 17.0 0
10-RV-138 8.84 33.46 23.0 23.0 36.10 1022.4 26.0 30
10-RS-138 10.93 41.37 29.0 5.5 45.90 1299.9 33.0 30
12-RV-221 17.21 65.14 10.0 29.0 70.80 2005.1 11.0 0
12-RV-343 20.95 79.30 15.0 36.0 86.45 2448.3 17.0 30
12 R-12M-25-5F 12-RS-221 22.40 84.78 12.0 4.2 91.85 2601.2 14.0 0
12-RS-343 26.90 101.82 18.0 4.5 112.00 3171.8 20.0 30
12-LJ-740 67.60 255.87 65.0 1.0 299.50 8481.8 75.0 30
13-RV-510 31.78 120.29 17.0 42.0 130.90 3707.1 19.0 0
13-RV-760 37.60 142.32 24.0 52.0 155.20 4395.3 27.0 30
13 R-13M-25-3F 13-RS-510 42.52 160.94 23.0 7.6 176.60 5001.3 26.0 0
13-RS-760 49.55 187.55 32.0 9.3 217.70 6165.3 36.0 30
13-LJ-1394 92.00 348.22 92.0 1.0
(*) MINIM UM OPERATING DOWNSTREAM PRESSURE FOR GAS SERVICE (PSIG)
(**) VISCOSITY IMMUNITY CEILING LISTED IS FOR STAINLESS STEEL FLOAT AND FLUID SP.GR. 1.0.