Oswald

Industrial

F-550

Product Specifications

Model  Adapter Size Flow Rate Float Material 
GPM LPM 
F-55250L(A) 1/4” MNPT .025 to .25 .1 to 1.0  316 SS 
F-55375L(A) 3/8” MNPT .1 to 1.0 .4 to 4.0 316 SS 
F-55375L(A)-8 1/2” MNPT .1 to 1.0 .4 to 4.0 316 SS 
F-55376L(A) 3/8” MNPT .2 to 2.0 1.0 to 7.5 316SS 
F-55376L(A)-8 1/2” MNPT .2 to 2.0 1.0 to 7.5 316SS 
F-55500L(A) 1/2” MNPT .5 to 5.0 2.0 to 20 316SS 
F-55750L(A) 3/4” MNPT 1.0 to 10 4 to 40 316SS 
F-55750L(A)-8 1/2” MNPT 1.0 to 10 4 to 40 316SS 
F-55005L(A) 1” MNPT 1.0 to 5.0 3 to 18 PTFE 
F-55010L(A) 1” MNPT 1.0 to 10 4.0 to 40 316SS 
F-55015L(A) 1” MNPT 1.0 to 15.0 4.0 to 60 316SS 
F-55200L(A) 1” MNPT 2.0 to 20.0 7.5 to 75 316SS 

Scale Length:  4” (100 mm)   

Maximum Working Pressure:  250 PSI (17.2 bar) at 70 ˚F (21 ˚C)    

Maximum Temperature: 200 ˚F /  93 ˚C @ 0 PSI 

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

Calibration Fluid: Water, specific gravity 1.0 

Approximate Shipping Weight: 2 lb (.91kg) 

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Wetted Components 

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

Adapters: Polypropylene 

Float: 316SS or PTFE (model specific) 

Guide Rod: 316 SS 

O-rings: Viton (optional EP, add -22N 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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