Special 7300 Series two tube Proportioner includes E700 and E800 tubes with 150mm reference scale flow ranges. Baseplate shown in photo is not included.

Design Features

• Precision tapered, fluted metering tube
• Low pressure drop for increased flow rates at low feed pressures
• Utility (six-turn) valve for those who desire control as well as indication

Materials of Construction

• Wetted End Blocks, Fittings and Internal Parts: Aluminum
• Seal Materials: Buna-N
• Metering Tube: Borosilicate glass
• Piping Connections: Aluminum
• Float Materials: 316 stainless steel and glass
• Scale: Ceramic ink on glass tube

Specifications

• Pressure Rating: 200 psi maximum
• Temperature Rating: 250°F maximum
• Accuracy: ±5% of full scale flow rate
• Repeatability: 0.25% of scale reading
• Range: 10 to 1, i.e., 100% to 10% of full scale
• Scale Readings: mm scale
• Flow tubes: E700 and E800
• Inlet/Outlet Fitting: 1/8" FNPT

Rotameter Calibration Charts (FM-1050)

Correction Factors

Rotameter Pressure Correction Factors

Rotameter Temperature Correction Factors

Rotameter Gas Correction Factors

Instructions

Instructions, FM-1000/FM-1050