Oswald

Industrial

F-400

Product Specifications

Model  Adapter Size Flow Rate Float Material 
GPM LPM 
F-40250LN-4 1/4” FNPT .025 to .25 .1 to 1.0  PVDF 
F-40250LN-6 3/8” FNPT .025 to .25 .1 to 1.0 PVDF 
F-40250LN-8 1/2” FNPT .025 to .25 .1 to 1.0 PVDF 
F-40050LN-4 1/4” FNPT .05 to .50 .2 to 2.0 316SS 
F-40050LN-6 3/8” FNPT .05 to .50 .2 to 2.0 316SS 
F-40050LN-8 1/2” FNPT .05 to .50 .2 to 2.0 316SS 
F-40375LN-4 1/4” FNPT .1 to 1.0 .4 to 4.0 PTFE 
F-40375LN-6 3/8” FNPT .1 to 1.0 .4 to 4.0 PTFE 
F-40375LN-8 1/2” FNPT .1 to 1.0 .4 to 4.0 PTFE 
F-40376LN-4 1/4” FNPT .2 to 2.0 1.0 to 7.5 316SS 
F-40376LN-6 3/8 FNPT .2 to 2.0 1.0 to 7.5 316SS 
F-40376LN-8 1/2” FNPT .2 to 2.0 1.0 to 7.5 316SS 
F-40377LN-4 1/4” FNPT .3 to 3.0 1.5 to 11 316SS 
F-40377LN-6 3/8” FNPT .3 to 3.0 1.5 to 11 316SS 
F-40377LN-8 1/2” FNPT .3 to 3.0 1.5 to 11 316SS 
F-40500LN-4 1/4” FNPT .5 to 5.0 2.0 to 20 316SS 
F-40500LN-6 3/8” FNPT .5 to 5.0 2.0 to 20 316SS 
F-40500LN-8 1/2” FNPT .5 to 5.0 2.0 to 20 316SS 

Scale Length:  4” (100 mm)   

Maximum Working Pressure:  150 PSI (10.3 bar) at 70 ˚F (21 ˚C)    

Maximum Temperature: 150 ˚F /  65 ˚C @ 0 PSI 

Full Scale Accuracy: +/- 5% of full scale 

Calibration Fluid: Water, specific gravity 1.0 

Approximate Shipping Weight: 0.5 lb (.23kg) 

Wetted Components 

Meter Body: Cast Acrylic Rod- Polished (Annealed for strength and chemical resistance) 

Adapters: Polypropylene 

Float: PVDF or 316SS or PTFE (model specific) 

Guide Rod: 316 SS 

O-rings: Viton (optional EP, ad -22P to part number) 

Dimensions and Weights 

Maximum Overall Dimensions: 8-3/16” (20.8 cm) H x 1-1/4” (3.2 cm) D 

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