Dwyer SFI-100 & SFI-300 Series MIDWEST Sight Flow Indicators

Dwyer SFI-100 & SFI-300 Series MIDWEST Sight Flow Indicators

Model Selection

Dwyer SFI-100-3/4 Indicator, Sight Flow, 3/4" NPT
SFI-100-3/4 $228.84 USD
Was: $250.10
Availability:
2 in Stock
Dwyer SFI-100-1 Indicator, Sight Flow, 1"
SFI-100-1 $275.42 USD
Was: $301.00
Availability:
3 to 4 Weeks
Dwyer SFI-100-1-1/2 Indicator, Sight Flow, 1.5"
SFI-100-1-1/2 $450.77 USD
Was: $492.65
Availability:
3 Days
Dwyer SFI-100-1-1/2-G1-I2 Indicator, Sight Flow, 1-1/2", PTFE gasket
SFI-100-1-1/2-G1-I2 $515.51 USD
Was: $563.40
Availability:
5 to 6 Weeks
Dwyer SFI-100-1-1/4 Indicator, Sight Flow, 1 1/4" NPT
SFI-100-1-1/4 $298.70 USD
Was: $326.45
Availability:
4 to 5 Weeks
Dwyer SFI-100-1-G1-I2 Indicator, Sight Flow, 1", PTFE gasket
SFI-100-1-G1-I2 $329.17 USD
Was: $359.75
Availability:
3 Days
Dwyer SFI-100-1/2 Indicator, Sight Flow, 1/2" NPT
SFI-100-1/2 $216.53 USD
Was: $236.65
Availability:
5 Days
Dwyer SFI-100-1/4 Indicator, Sight Flow, 1/4" NPT, Bronze
SFI-100-1/4 $189.91 USD
Was: $207.55
Availability:
4 to 5 Weeks
Dwyer SFI-100-2 Indicator, Sight Flow, 2" NPT
SFI-100-2 $480.70 USD
Was: $525.35
Availability:
1 to 2 Weeks
Dwyer SFI-100-2-G1-I2 Indicator, Sight Flow, 2", PTFE gasket
SFI-100-2-G1-I2 $556.93 USD
Was: $608.67
Availability:
1 to 2 Weeks
Dwyer SFI-100-3/8 Indicator, Sight Flow, 3/8" NPT
SFI-100-3/8 $197.59 USD
Was: $215.95
Availability:
1 Week
Dwyer SFI-300-1 Indicator, Sight Flow, 1" NPT
SFI-300-1 $303.05 USD
Was: $331.20
Availability:
1 to 2 Weeks
Dwyer SFI-300-1-1/2 Indicator, Sight Flow, 1-1/2" NPT
SFI-300-1-1/2 $658.34 USD
Was: $719.50
Availability:
1 to 2 Weeks
Dwyer SFI-300-1-1/4 Indicator, Sight Flow, 1 1/4" NPT
SFI-300-1-1/4 $309.73 USD
Was: $338.50
Availability:
5 to 6 Weeks
Dwyer SFI-300-1/2 Indicator, Sight Flow, 1/2" NPT
SFI-300-1/2 $295.41 USD
Was: $322.85
Availability:
4 Days
Dwyer SFI-300-1/4 Indicator, Sight Flow, 1/4" NPT
SFI-300-1/4 $264.44 USD
Was: $289.00
Availability:
1 to 2 Weeks
Dwyer SFI-300-2 Indicator, Sight Flow, 2" NPT
SFI-300-2 $684.97 USD
Was: $748.60
Availability:
5 Days
Dwyer SFI-300-3/4 Indicator, Sight Flow, 3/4" NPT
SFI-300-3/4 $295.41 USD
Was: $322.85
Availability:
5 Days
Dwyer SFI-300-3/8 Indicator, Sight Flow, 3/8" NPT
SFI-300-3/8 $274.41 USD
Was: $299.90
Availability:
1 to 2 Weeks
Dwyer SFI-360-1 Indicator, Sight Flow, 1" NPT, SS Flapper
SFI-360-1 $303.05 USD
Was: $331.20
Availability:
2 Days
Dwyer SFI-360-1-1/2 Indicator, Sight Flow, 1-1/2"NPT, SS Flapper
SFI-360-1-1/2 $645.03 USD
Was: $704.95
Availability:
7 to 8 Weeks
Dwyer SFI-360-1-1/4 Indicator, Sight Flow, 1-1/4"NPT, SS Flapper
SFI-360-1-1/4 $308.72 USD
Was: $337.40
Availability:
8 to 9 Weeks
Dwyer SFI-360-1/2 Indicator, Sight Flow, 1/2" NPT, SS Flapper
SFI-360-1/2 $289.78 USD
Was: $316.70
Availability:
1 to 2 Weeks
Dwyer SFI-360-1/4 Indicator, Sight Flow, 1/4" NPT, SS Flapper
SFI-360-1/4 $256.47 USD
Was: $280.30
Availability:
8 to 9 Weeks
Dwyer SFI-360-2 Indicator, Sight Flow, 2" NPT, SS Flapper
SFI-360-2 $675.00 USD
Was: $737.70
Availability:
1 Week
Dwyer SFI-360-3/4 Indicator, Sight Flow, 3/4" NPT, SS Flapper
SFI-360-3/4 $295.41 USD
Was: $322.85
Availability:
1 Week
Dwyer SFI-360-3/8 Indicator, Sight Flow, 3/8" NPT, SS Flapper
SFI-360-3/8 $269.79 USD
Was: $294.85
Availability:
8 to 9 Weeks
Dwyer SFI-300SS-1 Indicator, Sight Flow, 1"NPT, 316SS Body, 2 Win
SFI-300SS-1 $546.26 USD
Was: $597.00
Availability:
2 Days
Dwyer SFI-300SS-1-1/2 Indicator, Sight Flow, 1-1/2"NPT, 316SS Body, 2 Win
SFI-300SS-1-1/2 $1,206.89 USD
Was: $1,319.00
Availability:
8 to 9 Weeks
Dwyer SFI-300SS-1-1/4 Indicator, Sight Flow, 1-1/4"NPT, 316SS Body, 2 Win
SFI-300SS-1-1/4 $556.23 USD
Was: $607.90
Availability:
4 Days
Dwyer SFI-300SS-1/2 Indicator, Sight Flow, 1/ 2"NPT, 316SS Body, 2 Win
SFI-300SS-1/2 $456.40 USD
Was: $498.80
Availability:
1 to 2 Weeks
Dwyer SFI-300SS-1/4 Indicator, Sight Flow, 1/ 4"NPT, 316SS Body, 2 Win
SFI-300SS-1/4 $394.18 USD
Was: $430.80
Availability:
1 to 2 Weeks
Dwyer SFI-300SS-2 Indicator, Sight Flow, 2"NPT, 316SS Body, 2 Win
SFI-300SS-2 $1,255.52 USD
Was: $1,372.15
Availability:
7 to 8 Weeks
Dwyer SFI-300SS-3/4 Indicator, Sight Flow, 3/ 4"NPT, 316SS Body, 2 Win
SFI-300SS-3/4 $480.70 USD
Was: $525.35
Availability:
3 Days
Dwyer SFI-300SS-3/8 Indicator, Sight Flow, 3/ 8"NPT, 316SS Body, 2 Win
SFI-300SS-3/8 $421.86 USD
Was: $461.05
Availability:
3 Days
Dwyer SFI-360SS-1 Indicator, Sight Flow, 1" NPT, 316SS Body, 2 Wndw
SFI-360SS-1 $584.14 USD
Was: $638.40
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-1-1/2 Indicator, Sight Flow, 1-1/2" NPT, 316SS Body, 2 Wn
SFI-360SS-1-1/2 $1,295.73 USD
Was: $1,416.10
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-1-1/4 Indicator, Sight Flow, 1-1/4" NPT, 316SS Body, 2 Wn
SFI-360SS-1-1/4 $608.43 USD
Was: $664.95
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-1/2 Indicator, Sight Flow, 1/2" NPT, 316SS Body, 2 Wndw
SFI-360SS-1/2 $501.97 USD
Was: $548.60
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-1/4 Indicator, Sight Flow, 1/4" NPT, 316SS Body, 2 Wndw
SFI-360SS-1/4 $425.15 USD
Was: $464.65
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-2 Indicator, Sight Flow, 2" NPT, 316SS Body, 2 Wndw
SFI-360SS-2 $1,345.64 USD
Was: $1,470.65
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-3/4 Indicator, Sight Flow, 3/4" NPT, 316SS Body, 2 Wndw
SFI-360SS-3/4 $517.30 USD
Was: $565.35
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-3/8 Indicator, Sight Flow, 3/8" NPT, 316SS Body, 2 Wndw
SFI-360SS-3/8 $459.74 USD
Was: $502.45
Availability:
8 to 9 Weeks
Dwyer SFI-350-1 Sight Flow Indicator, 1", bronze
SFI-350-1 $289.78 USD
Was: $316.70
Availability:
3 to 4 Weeks
Dwyer SFI-350-1-1/2 Sight Flow Indicator, 1½", bronze
SFI-350-1-1/2 $621.74 USD
Was: $679.50
Availability:
4 to 5 Weeks
Dwyer SFI-350-1-1/4 Sight Flow Indicator, 1¼", bronze
SFI-350-1-1/4 $295.41 USD
Was: $322.85
Availability:
8 to 9 Weeks
Dwyer SFI-350-1/2 Sight Flow Indicator, ½", bronze
SFI-350-1/2 $275.42 USD
Was: $301.00
Availability:
4 to 5 Weeks
Dwyer SFI-350-1/4 Sight Flow Indicator, ¼", bronze
SFI-350-1/4 $243.16 USD
Was: $265.75
Availability:
8 to 9 Weeks
Dwyer SFI-350-2 Sight Flow Indicator, 2", bronze
SFI-350-2 $655.05 USD
Was: $715.90
Availability:
3 Days
Dwyer SFI-350-3/4 Sight Flow Indicator, ¾", bronze
SFI-350-3/4 $277.75 USD
Was: $303.55
Availability:
1 Week
Dwyer SFI-350-3/8 Sight Flow Indicator, ⅜", bronze
SFI-350-3/8 $252.13 USD
Was: $275.55
Availability:
8 to 9 Weeks
Dwyer SFI-350SS-1 Sight Flow Indicator, 1", stainless steel
SFI-350SS-1 $578.51 USD
Was: $632.25
Availability:
4 to 5 Weeks
Dwyer SFI-350SS-1-1/2 Sight Flow Indicator, 1½", stainless steel
SFI-350SS-1-1/2 $1,284.48 USD
Was: $1,403.80
Availability:
2 Days
Dwyer SFI-350SS-1-1/4 Sight Flow Indicator, 1¼", stainless steel
SFI-350SS-1-1/4 $595.12 USD
Was: $650.40
Availability:
8 to 9 Weeks
Dwyer SFI-350SS-1/2 Sight Flow Indicator, ½", stainless steel
SFI-350SS-1/2 $507.60 USD
Was: $554.75
Availability:
8 to 9 Weeks
Dwyer SFI-350SS-1/4 Sight Flow Indicator, ¼", stainless steel
SFI-350SS-1/4 $421.86 USD
Was: $461.05
Availability:
1 to 2 Weeks
Dwyer SFI-350SS-3/4 Sight Flow Indicator, ¾", stainless steel
SFI-350SS-3/4 $520.64 USD
Was: $569.00
Availability:
1 to 2 Weeks
Dwyer SFI-350SS-3/8 Sight Flow Indicator, ⅜", stainless steel
SFI-350SS-3/8 $446.43 USD
Was: $487.90
Availability:
8 to 9 Weeks

The 100 and 300 Series offer threaded process connections, viewing windows, and bodies of brass or 316 SS. The 100 type has a single window with a rotating impeller, the 300 type has a double window with a rotating impeller, the 350 type has a double window with no moving indicator, and the 360 type has a double window with a flapper.

The 100 and 300 Series offer threaded process connections, viewing windows, and bodies of brass or 316 SS. The 100 type has a single window with a rotating impeller, the 300 type has a double window with a rotating impeller, the 350 type has a double window with no moving indicator, and the 360 type has a double window with a flapper.

Dwyer SFI-100-3/4 Indicator, Sight Flow, 3/4" NPT
SFI-100-3/4 $228.84 USD
Was: $250.10
Availability:
2 in Stock
Dwyer SFI-100-1 Indicator, Sight Flow, 1"
SFI-100-1 $275.42 USD
Was: $301.00
Availability:
3 to 4 Weeks
Dwyer SFI-100-1-1/2 Indicator, Sight Flow, 1.5"
SFI-100-1-1/2 $450.77 USD
Was: $492.65
Availability:
3 Days
Dwyer SFI-100-1-1/2-G1-I2 Indicator, Sight Flow, 1-1/2", PTFE gasket
SFI-100-1-1/2-G1-I2 $515.51 USD
Was: $563.40
Availability:
5 to 6 Weeks
Dwyer SFI-100-1-1/4 Indicator, Sight Flow, 1 1/4" NPT
SFI-100-1-1/4 $298.70 USD
Was: $326.45
Availability:
4 to 5 Weeks
Dwyer SFI-100-1-G1-I2 Indicator, Sight Flow, 1", PTFE gasket
SFI-100-1-G1-I2 $329.17 USD
Was: $359.75
Availability:
3 Days
Dwyer SFI-100-1/2 Indicator, Sight Flow, 1/2" NPT
SFI-100-1/2 $216.53 USD
Was: $236.65
Availability:
5 Days
Dwyer SFI-100-1/4 Indicator, Sight Flow, 1/4" NPT, Bronze
SFI-100-1/4 $189.91 USD
Was: $207.55
Availability:
4 to 5 Weeks
Dwyer SFI-100-2 Indicator, Sight Flow, 2" NPT
SFI-100-2 $480.70 USD
Was: $525.35
Availability:
1 to 2 Weeks
Dwyer SFI-100-2-G1-I2 Indicator, Sight Flow, 2", PTFE gasket
SFI-100-2-G1-I2 $556.93 USD
Was: $608.67
Availability:
1 to 2 Weeks
Dwyer SFI-100-3/8 Indicator, Sight Flow, 3/8" NPT
SFI-100-3/8 $197.59 USD
Was: $215.95
Availability:
1 Week
Dwyer SFI-300-1 Indicator, Sight Flow, 1" NPT
SFI-300-1 $303.05 USD
Was: $331.20
Availability:
1 to 2 Weeks
Dwyer SFI-300-1-1/2 Indicator, Sight Flow, 1-1/2" NPT
SFI-300-1-1/2 $658.34 USD
Was: $719.50
Availability:
1 to 2 Weeks
Dwyer SFI-300-1-1/4 Indicator, Sight Flow, 1 1/4" NPT
SFI-300-1-1/4 $309.73 USD
Was: $338.50
Availability:
5 to 6 Weeks
Dwyer SFI-300-1/2 Indicator, Sight Flow, 1/2" NPT
SFI-300-1/2 $295.41 USD
Was: $322.85
Availability:
4 Days
Dwyer SFI-300-1/4 Indicator, Sight Flow, 1/4" NPT
SFI-300-1/4 $264.44 USD
Was: $289.00
Availability:
1 to 2 Weeks
Dwyer SFI-300-2 Indicator, Sight Flow, 2" NPT
SFI-300-2 $684.97 USD
Was: $748.60
Availability:
5 Days
Dwyer SFI-300-3/4 Indicator, Sight Flow, 3/4" NPT
SFI-300-3/4 $295.41 USD
Was: $322.85
Availability:
5 Days
Dwyer SFI-300-3/8 Indicator, Sight Flow, 3/8" NPT
SFI-300-3/8 $274.41 USD
Was: $299.90
Availability:
1 to 2 Weeks
Dwyer SFI-360-1 Indicator, Sight Flow, 1" NPT, SS Flapper
SFI-360-1 $303.05 USD
Was: $331.20
Availability:
2 Days
Dwyer SFI-360-1-1/2 Indicator, Sight Flow, 1-1/2"NPT, SS Flapper
SFI-360-1-1/2 $645.03 USD
Was: $704.95
Availability:
7 to 8 Weeks
Dwyer SFI-360-1-1/4 Indicator, Sight Flow, 1-1/4"NPT, SS Flapper
SFI-360-1-1/4 $308.72 USD
Was: $337.40
Availability:
8 to 9 Weeks
Dwyer SFI-360-1/2 Indicator, Sight Flow, 1/2" NPT, SS Flapper
SFI-360-1/2 $289.78 USD
Was: $316.70
Availability:
1 to 2 Weeks
Dwyer SFI-360-1/4 Indicator, Sight Flow, 1/4" NPT, SS Flapper
SFI-360-1/4 $256.47 USD
Was: $280.30
Availability:
8 to 9 Weeks
Dwyer SFI-360-2 Indicator, Sight Flow, 2" NPT, SS Flapper
SFI-360-2 $675.00 USD
Was: $737.70
Availability:
1 Week
Dwyer SFI-360-3/4 Indicator, Sight Flow, 3/4" NPT, SS Flapper
SFI-360-3/4 $295.41 USD
Was: $322.85
Availability:
1 Week
Dwyer SFI-360-3/8 Indicator, Sight Flow, 3/8" NPT, SS Flapper
SFI-360-3/8 $269.79 USD
Was: $294.85
Availability:
8 to 9 Weeks
Dwyer SFI-300SS-1 Indicator, Sight Flow, 1"NPT, 316SS Body, 2 Win
SFI-300SS-1 $546.26 USD
Was: $597.00
Availability:
2 Days
Dwyer SFI-300SS-1-1/2 Indicator, Sight Flow, 1-1/2"NPT, 316SS Body, 2 Win
SFI-300SS-1-1/2 $1,206.89 USD
Was: $1,319.00
Availability:
8 to 9 Weeks
Dwyer SFI-300SS-1-1/4 Indicator, Sight Flow, 1-1/4"NPT, 316SS Body, 2 Win
SFI-300SS-1-1/4 $556.23 USD
Was: $607.90
Availability:
4 Days
Dwyer SFI-300SS-1/2 Indicator, Sight Flow, 1/ 2"NPT, 316SS Body, 2 Win
SFI-300SS-1/2 $456.40 USD
Was: $498.80
Availability:
1 to 2 Weeks
Dwyer SFI-300SS-1/4 Indicator, Sight Flow, 1/ 4"NPT, 316SS Body, 2 Win
SFI-300SS-1/4 $394.18 USD
Was: $430.80
Availability:
1 to 2 Weeks
Dwyer SFI-300SS-2 Indicator, Sight Flow, 2"NPT, 316SS Body, 2 Win
SFI-300SS-2 $1,255.52 USD
Was: $1,372.15
Availability:
7 to 8 Weeks
Dwyer SFI-300SS-3/4 Indicator, Sight Flow, 3/ 4"NPT, 316SS Body, 2 Win
SFI-300SS-3/4 $480.70 USD
Was: $525.35
Availability:
3 Days
Dwyer SFI-300SS-3/8 Indicator, Sight Flow, 3/ 8"NPT, 316SS Body, 2 Win
SFI-300SS-3/8 $421.86 USD
Was: $461.05
Availability:
3 Days
Dwyer SFI-360SS-1 Indicator, Sight Flow, 1" NPT, 316SS Body, 2 Wndw
SFI-360SS-1 $584.14 USD
Was: $638.40
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-1-1/2 Indicator, Sight Flow, 1-1/2" NPT, 316SS Body, 2 Wn
SFI-360SS-1-1/2 $1,295.73 USD
Was: $1,416.10
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-1-1/4 Indicator, Sight Flow, 1-1/4" NPT, 316SS Body, 2 Wn
SFI-360SS-1-1/4 $608.43 USD
Was: $664.95
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-1/2 Indicator, Sight Flow, 1/2" NPT, 316SS Body, 2 Wndw
SFI-360SS-1/2 $501.97 USD
Was: $548.60
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-1/4 Indicator, Sight Flow, 1/4" NPT, 316SS Body, 2 Wndw
SFI-360SS-1/4 $425.15 USD
Was: $464.65
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-2 Indicator, Sight Flow, 2" NPT, 316SS Body, 2 Wndw
SFI-360SS-2 $1,345.64 USD
Was: $1,470.65
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-3/4 Indicator, Sight Flow, 3/4" NPT, 316SS Body, 2 Wndw
SFI-360SS-3/4 $517.30 USD
Was: $565.35
Availability:
8 to 9 Weeks
Dwyer SFI-360SS-3/8 Indicator, Sight Flow, 3/8" NPT, 316SS Body, 2 Wndw
SFI-360SS-3/8 $459.74 USD
Was: $502.45
Availability:
8 to 9 Weeks
Dwyer SFI-350-1 Sight Flow Indicator, 1", bronze
SFI-350-1 $289.78 USD
Was: $316.70
Availability:
3 to 4 Weeks
Dwyer SFI-350-1-1/2 Sight Flow Indicator, 1½", bronze
SFI-350-1-1/2 $621.74 USD
Was: $679.50
Availability:
4 to 5 Weeks
Dwyer SFI-350-1-1/4 Sight Flow Indicator, 1¼", bronze
SFI-350-1-1/4 $295.41 USD
Was: $322.85
Availability:
8 to 9 Weeks
Dwyer SFI-350-1/2 Sight Flow Indicator, ½", bronze
SFI-350-1/2 $275.42 USD
Was: $301.00
Availability:
4 to 5 Weeks
Dwyer SFI-350-1/4 Sight Flow Indicator, ¼", bronze
SFI-350-1/4 $243.16 USD
Was: $265.75
Availability:
8 to 9 Weeks
Dwyer SFI-350-2 Sight Flow Indicator, 2", bronze
SFI-350-2 $655.05 USD
Was: $715.90
Availability:
3 Days
Dwyer SFI-350-3/4 Sight Flow Indicator, ¾", bronze
SFI-350-3/4 $277.75 USD
Was: $303.55
Availability:
1 Week
Dwyer SFI-350-3/8 Sight Flow Indicator, ⅜", bronze
SFI-350-3/8 $252.13 USD
Was: $275.55
Availability:
8 to 9 Weeks
Dwyer SFI-350SS-1 Sight Flow Indicator, 1", stainless steel
SFI-350SS-1 $578.51 USD
Was: $632.25
Availability:
4 to 5 Weeks
Dwyer SFI-350SS-1-1/2 Sight Flow Indicator, 1½", stainless steel
SFI-350SS-1-1/2 $1,284.48 USD
Was: $1,403.80
Availability:
2 Days
Dwyer SFI-350SS-1-1/4 Sight Flow Indicator, 1¼", stainless steel
SFI-350SS-1-1/4 $595.12 USD
Was: $650.40
Availability:
8 to 9 Weeks
Dwyer SFI-350SS-1/2 Sight Flow Indicator, ½", stainless steel
SFI-350SS-1/2 $507.60 USD
Was: $554.75
Availability:
8 to 9 Weeks
Dwyer SFI-350SS-1/4 Sight Flow Indicator, ¼", stainless steel
SFI-350SS-1/4 $421.86 USD
Was: $461.05
Availability:
1 to 2 Weeks
Dwyer SFI-350SS-3/4 Sight Flow Indicator, ¾", stainless steel
SFI-350SS-3/4 $520.64 USD
Was: $569.00
Availability:
1 to 2 Weeks
Dwyer SFI-350SS-3/8 Sight Flow Indicator, ⅜", stainless steel
SFI-350SS-3/8 $446.43 USD
Was: $487.90
Availability:
8 to 9 Weeks

What's included with the Dwyer SFI-100 & SFI-300 Series

  • Dwyer SFI-100 & SFI-300 Series MIDWEST Sight Flow Indicators

What's included with the Dwyer SFI-100 & SFI-300 Series

  • Dwyer SFI-100 & SFI-300 Series MIDWEST Sight Flow Indicators

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