Series 640S and 1040S Dual Tube Variable Area Flowmeters
The MPB Series 640S and 1040S Dual Tube Flowmeters are designed for measuring two instantaneous flow rates of virtually any process liquids or gases simultaneously. The principle of operation of the flowmeter is quite simple:-
The height attained by the float in its tapered flow tube is directly related to a calibrated scale. The flow should be read from the centre of the ball, or top of a plumb bob float.
Typical applications include analytical instrumentation, gas flow control, small dosing systems, purge metering, leak detection and blending systems, or any requirement for a dual tube arrangement.
Typical industries served include brewing, gas analysis, aerospace, pharmaceutical, engine testing, paper, water treatment, oil and gas, etc.
Features
- Wide range of standard and customised flow ranges
- 640S: 56mm, 1040S: 93mm tube length
- Valved, or non-valved versions
- Rear of panel mounting kit available
- Alarm versions available (1040S only)
Specification
- Chassis: Anodised aluminium to BSEN12373/AA25
- End Blocks: Stainless Steel
- Process Connections: ⅛” BSPPF, or ⅛” NPTF
- Cover: Polycarbonate
- Seals: Viton, Nitrile, or EPDM
- Metering Tube: Borosilicate glass
- Scale: Permanently fired black ceramic
- Ball Floats: Glass, Stainless steel, Ruby, Tungsten
- Plumb Bob Floats: Anodised aluminium, Stainless Steel
- Weight: 640s: 400 grams, 1040s: 450 grams
- Maximum Working Pressure: Gas: up to 20 bar g (non-shock), Liquid: up to 20 bar g (non-shock)
- Maximum Working Temperature: 600C Nitrile, 1000C Viton
- Accuracy: ± 5% FSD for predicted scales, ± 3% FSD for calibrated scales
