The orifice plate flow indicators U6 are specifically designed for the measu-rement of high flow rates. They are suitable for pipes with a diameter equal or over 2".
The direct reading is done on a variable area flow meter.
For an optimal accuracy, the diaphragm characteristics are calculated against the process parameters (see further on).

Measuring range:
1 to 1600 m³/h [Water at 20°C]
180 to 200 000 Nm³/h [normo m³/h of air]

Accuracy: ± 2.5% full scale
Repeatability: ± 0.5% reading
Scale amplification: from 2 to 10 - Linear scale

Temperature limits:
0 ... 90°C, sealing in Buna
0 ... 120°C, sealing in FPM

Pressure limit: 21 bar as a maximum

Wetted parts:
Cast iron and brass (standard)
Stainless steel 316 (on request)

Diaphragm: Stainless steel 316
Flow indicator: Borosilicate glass tube

Diver:
Stainless steel 316 SS (liquids)
Aluminium (gases)

Thrusts: Stainless steel 316
Sealing: O-rings in Buna N as standard; FPM on request

Alarm contacts: (low or high flow rate)
Inductive contact: Mono or bi-stable
Operating temperature: Ambient from -25°C to 60°C
Protection: IP 67
Protection relay: Relay S112A