Industrial, Glass Tube Variable Area Flow Meters (Rotameter) for Liqui

Features

Configurable to retro-fit GT1000, GT130x and Full-View® models
316 stainless steel frame, polycarbonate safety shield and 316/316L dual certified stainless steel process fittings
Process connections can be rotated 360°, 180° viewing window, panel or wall mount option
Alarms for high and low-flow (optional for all flow ranges); Purchase at time of order or add it in the field
Choose from multiple accuracy levels
Flanged or threaded connections available (horizontal and vertical)
Adjustable scale to compensate for process variation

Benefits

Premium materials of construction ensure safety, indoor and outdoor durability
Easy installation and viewing at any angle
Monitor critical flow conditions with optional alarms
No power required; reduces installation cost and provides flow measurement in hazardous areas
Easy in-situ maintenance: Clean or replace tube & float without removal from the process piping
Optional integral valve minimizes connections reducing leak points

Applications

Specifications

Product Type

Glass Tube VA Flow Meter

Differentiator

Ideal for clean liquids and gases

Configurable to retro-fit GT1000, GT130x and Full-View models

Rugged design for indoor or outdoor use

Durable, even in harsh or hazardous environments

Performance

Flow Range (Full Scale Capacity)

Water
Up to 0.41 gpm / 4,900 lph

Air
Up to 150 scfm / 270 m3n/hr

See Capacity Tables in Data Sheet

Accuracy

Standard: ±10%, ±5%, ±2% Full Scale, Class 2.5 acc VDI/VDE

Optional: ±1% Full Scale, Class 1.6 acc VDI/VDE

Repeatability

≤0.5% Full Scale

Mechanical

Metering Tube Material	Borosilicate Glass
Scales	Transparent scale. Adjustable.
Scale Length	75mm, 127mm and 250mm
Scale Graduations	Choice of direct reading units, millimeter or percentage of maximum flow with factor tag.
Window Material	Polycarbonate with UV Inhibitor
Float Material	Sizes 2 & 6: Carboloy® or 316/316L (dual certified stainless steel) Sizes 7-10: 316/316L (dual certified stainless steel)
Float Stops	Teflon®
Housing	316 stainless steel
End Block Options	316 stainless steel
O-Ring Materials	Viton® Buna-N Kalrez® EPDM
Connection Materials	316 stainless steel
Process Connections	316 stainless steel

Ratings
Max Pressure	Refer to Maximum Pressure Ratings Table in Data Sheet
Max Temperature	121^oC (250^oF)
PED Categories	Meets PED
Ambient Temperature Range	-20–52°C (-4–125°F)
Fluid Temperature Range	1–121°C (33–250°F)
Alarms	Tube Sizes 2 & 6: Ring Initiator High/Low Alarm Tube Sizes 7-10: Reed Switch High/Low Alarm Hazardous Area Approvals: Zone 1/Zone 2 (CSA/ATEX/IECex) - gas/dust. Protection method Ex-m (no barrier). Div 1/Div 2 (CSA) - gas/dust. Protection method I.S. / Non-incendive