Flowmeter Dwyer[Dec. 12, 2011 7:22:18]
Specification
SPECIFICATIONS
Service: Compatible gases or liquids.
Wetted Materials:
Flowtube: Borosilicate glass;
Floats: Glass or stainless steel ( sapphire, Carboloy and tantalum are
optional) ;
Float stops: PTFE;
End fittings: Anodized aluminum, 316 SS or brass;
Packings: Fluoroelastomer;
O-rings: Buna-N on aluminum models and brass models, and
fluoroelastomer on stainless steel models.
Temperature Limits: 250° F ( 121° C) .
Pressure Limits: 200 psig ( 13.8 bar) .
Accuracy: ± 2% FS @ 70° F ( 21.1° C) and 14.7 psia ( 1 atm absolute) .
Repeatability: ± 0.25% full scale.
Scales: Universal 65 mm or 150 mm with correlation charts.
Turn-down Ratio: 10: 1; 20: 1 with combinations of two floats installed in
meter.
Connections: Two 1/ 8Ã female NPT.
Mounting: Vertical.
Valve: 6-turn needle ( standard) , optional 16-turn high precision valve.
Valve Orifice: Acetal on aluminum models and brass models, PCTFE
on stainless steel models.
