Instruction Manual

Installation and Operation Manual
X-VA-1358-eng
Part Number: 541B041AAG
September, 2012
1-2
Section 1 Introduction
Model 1358
Scales
Type (Standard): Fused on meter tube
Length: 75 mm, nominal
Graduations:
Standard: direct read on tube in gpm water or scfm air.
Optional: special direct read decal on tube. Consult factory for
available ranges. Direct read on metal scale plate mounted beside
tube.
Capacities and Pressure Drops
Refer to Table 1-1
Standard accuracy:
±10% of full scale from 100% to 10% of scale reading.
Repeatability
0.5% full scale
Rangeability
Ten to one
Table 1-1 Capacities
Maximum Flow Rate
Pressure Drop Pressure Drop
Water Without Valve With Valve
(gpm) Inches W.C. Inches W. C. Float
0.8 12.6 13.6 8-RV-8
1.5 22.2 27.0 8-RJ-10
2.5 61.0 85.2 8-RJ-23
3.5 88.7 121.0 8-RJ-30
5.0 172 238.0 8-RJ-39
Pressure Drop Pressure Drop
Air Without Valve With Valve
(scfm) Inches W.C. Inches W.C. Float
3.4 14.34 15.5 8-RV-8
6.0 25.34 30.8 8-RJ-10
12.0 69.34 97.3 8-RJ-23
15.0 101.34 138.3 8-RJ-30
NOTE: All air flows are at 14.7 psia and 70°F.
Connections
Standard: Horizontal female 3/8" NPT threaded adaptors.
Dimensions
See Figure 1-1
Materials of Construction:
Metering Tube
Borosilicate glass