Blue-White series F-460 and F-461 Flometers feature a Polysulfone meter body that resists high temperatures and pressures and a rib guided float. The direct reading permenant dual scale offers a clear, easy read. Both series have PTFE floats, Polysulfone float stops and FKM (optional EPDM) o-ring seals. Series F-460 offers 1/2" and 3/4" female pipe thread or socket fusion connections with PVC (standard), Polypropylene or PVDF adapters and anodized aluminum (standard) or PVC union nuts. The scale size for F-460 is 4" (100mm). Series F-461 offers 1" female pipe thread or socket fusion connections with PVC (standard), Polypropylene or PVDF adapters and anodized aluminum (standard) or PVC union nuts. The scale size for F-461 is 5" (127mm). Series F-460 and F-461 are Ideal for corrosive environments such as deionized water or other applications where an all plastic meter is desirable. Available OEM options: Private labeling, special calibrations and alternate materials. This flowmeter series is not recommended for direct sunlight.