7910 Series

7910 Series – Glass Tube Flowmeter

70 flow ranges in 7 tube sizes makes these 250 mm scale glass tube, 304 Stainless steel case models one of our largest series. Dual port connections (both horizontal and vertical on each end) allow for a variety of installation options.

Metering Tube  Borosilicate Kinglass
Internal Components  Standard: 316L SS
Optional: Hastelloy C-276
Fitting Material  Standard: 316L SS
Optional: PVC (vertical connections only)
Inlet/Outlet Fittings  NPT or flange, vertical or horizontal 360° fully rotatable
O-Ring  Standard: Viton
Optional: Buna N, EPR, and Kalrez
Case and Covers  304 SS case
Polycarbonate shield

Performance

Capacities  Water 0.22 to 132 GPM
Air 0.9 to 350 SCFM
Scale  250mm (10”) Direct reading, detachable
Accuracy  ± 2% of full scale flow
Turndown  10:1
Repeatability  0.5 %
Maximum Temperature  316L SS fittings 200° F (93° C)
PVC fittings 115° F (46° C)
Maximum Pressure  316L SS fittings 300 psig, size 3 & 4
316L SS fittings 250 psig, size 5 & 6
316L SS fittings 150 psig, size 8
316L SS fittings 125 psig, size 9
PVC fittings 150 psig, size 3,4,5,6 & 8
PVC fittings 125 psig, size 9
Ambient Temperature  33° F to 125° F (1° C to 52° C)

Options

Alarm  Latching Reed Switch
Certified Calibrations  Conform to ISA RP 16.6
Scales  Any volumetric unit

Floats

Options for rotameter float materials and designs extend flow ranges for different fluids within a given rotameter tube design.