The P-Series variable area flowmeter line enhances Parker's existing Rotameter product lines. The range includes gas flows up to 350 sft3/m (9910 slpm) of air; liquid flows up to 450 US gpm (1700 lpm) of water; pressures up to 4000 psig (275 bar); temperatures up to 575 °F (300 °C); NEMA and IP enclosures; and certified calibrations conforming to ISA RP 16.6, NIST- traceable.