DWYER INSTRUMENTS Window Sight Flow Indicators

Dwyer Instruments window sight flow indicators are inline piping units designed for providing a remote visual indication of the flow rate and direction. The brand's 350 Series sight flow indicators feature a brass / 316 stainless-steel body for strength and durability and a dual-window with tempered glass for preventing scratches and impact damages from flow pressure. The 100 Series models have a single window with a rotating impeller for accelerating the fluid and easy viewing from any angle; ideal for hydraulic tanks, pressure vessels and oil reservoirs. Choose from a wide range of these sight flow indicators available in 1/4, 3/8, 1/2, 3/4, 1, 1-1/4, 1-1/2 and 2 inch body size variants on Raptor Supplies, an authorised Dwyer Instruments distributor.

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StyleModelSight Dia.Pipe SizeDepthHeightMax. PressureBody MaterialImpeller MaterialLens MaterialPrice
ASFI-100-3/81.7"-1 4/5"-125 psiBronzeABSTempered Glass€407.61
ASFI-100-1/41.7"1/4"1 4/5"-125 psiBronzeABSTempered Glass€395.76
ASFI-100-1/22"1/2"-3 5/8"125 psiBronzeABSTempered Glass€470.90
ASFI-100-3/42"3/4"2 1/4"2.571"125 psiBronzeABSTempered Glass€468.77
ASFI-100-12"1"2.571"2 5/8"125 psiBronzeABSTempered Glass€605.22
ASFI-100-1-1/42"1 1/4"2.571"2 5/8"125 psiBronzeABSTempered Glass€621.69
ASFI-100-1-1/22.9"1 1/2"3 1/4"3 5/8"125 psiBronzeABSTempered Glass€814.21
ASFI-100-22.9"2"3 1/4"3 5/8"125 psiBronzeABSTempered Glass€823.53
StyleModelPipe SizeSight Dia.DepthHeightSeal MaterialMax. PressureBody MaterialLens MaterialPrice
ASFI-300-1-1/21 1/2"2.9"3.667"4"Buna N125 psiBronzeTempered Glass€1,165.54
ASFI-300-1-1/41 1/4"2"3 1/8"2.571"Buna N125 psiBronzeTempered Glass€643.64
ASFI-300-11"2"3 1/8"2.571"Buna N125 psiBronzeTempered Glass€637.10
ASFI-300-1/21/2"2"2 3/4"2.571"Buna N125 psiBronzeTempered Glass€653.74
ASFI-300-1/41/4"1.7"2 1/4"2 1/8"Buna N125 psiBronzeTempered Glass€521.53
ASFI-300-22"2.9"3.667"4"Buna N125 psiBronzeTempered Glass€1,257.61
ASFI-300-3/43/4"2"2 3/4"2.571"Buna N125 psiBronzeTempered Glass€568.85
ASFI-300-3/83/8"1.656"2 1/4"2 1/8"Buna N, Fiber125 psiBronzeTempered Glass€573.31
StyleModelPipe SizeSight Dia.DepthHeightSeal MaterialMax. PressureBody MaterialImpeller MaterialPrice
ASFI-300SS-1-1/21 1/2"2.9"3.667"4"Buna N125 psiStainless SteelStainless Steel€2,183.50
ASFI-300SS-1-1/41 1/4"2"3 1/8"2.571"Buna N125 psiStainless SteelStainless Steel€994.20
ASFI-300SS-11"2"3 1/8"2.571"Buna N125 psiStainless SteelStainless Steel€1,046.35
ASFI-300SS-1/21/2"2"2 3/4"2.571"Buna N125 psiStainless SteelStainless Steel€872.75
ASFI-300SS-1/41/4"1.7"2 1/4"2 1/8"Buna N125 psiStainless SteelStainless Steel€755.29
ASFI-300SS-22"2.9"3.667"4"Buna N125 psiStainless SteelStainless Steel€2,267.07
ASFI-300SS-3/43/4"2.031"2 3/4"2.571"Buna N, Fiber125 psiStainless SteelStainless Steel€912.10
ASFI-300SS-3/83/8"1.656"2 1/4"2 1/8"Buna N, Fiber125 psiStainless SteelStainless Steel€805.74