The King Instrument Silver Series flow meter is available in 35 flow ranges and 6 tube sizes with horizontal and vertical connection options. The powder-coated 304 stainless steel case and precision molded polycarbonate shield will tolerate most corrosive applications. It comes standard with 316L stainless steel internal components and fitting material and Viton o-ring, but other options are available including Hastelloy C-276 internal components, PVDF fitting material, and Buna N, EPR, or Kalrez o-ring materials.

The borosilicate Kinglass metering tube offers flow ranges of 0.23 to 85 GPM for water and 1.15 to 285 SCFM for air. Direct reading detachable scales are 10 inch (250mm) for sizes 3 to 6 and 8 inch (200mm) for sizes 8 to 9. Accuracy is ±2% of full scale with 10:1 turndown and 0.5% repeatability. Maximum temperature with 316L SS fittings is 200°F (93°C). Maximum pressure varies by size and fitting material, with sizes 3 & 4 with SS fittings rated at 300 psig.