Operating conditions and materials. Liquids: Chemically neutral, lubricative, clean, non-abrasive, Screws: Steel, nitrided. Bearing: Steel bearing,hybrid ball bearing. Seal: Viton (other sealing materials on request). Signal: PNP or NAMUR. Bi-directional: Optional with sensors for fl ow direction detection Specification; Nominal diameter NPT 2",ANSI Class 150-2",ANSI Class 300-2" Flow rate; Qmax 270GPM Qrate 180GPM Qmin 1,8GPM Pressure max 1450Psig Temperature -40 to 400 °F Viscosity 1 to 1x10x10x10x10x10x10 mm2/s Accuracy ± 0.1% of measured value K-factor K1;151 pulses/gal,K2;301pulses/gal,K3;632pulses/gal. Frequency f1;453 f at Qrated Hz,f2;903 f at Qrate Hz,f3;1,896 f at Qrated Hz Weight NPT 2" 65,3Lb Weight ANSI Class 150-2" 65LB Weight ANSI Class 300-2" 67,5Lb
