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  5. Flow Measuring Instruments
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  7. Sight Glass Flow Indicators
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Sight Glass Flow Indicators (544 items) - Page 2

Dwyer Instruments Sight flow indicator, 1/4" body, 3.000" L x 1.813" D x 2.125" H (76 x 46 x 54 mm), 1.1 lb (0.5 kg). SFI-100-1/4
Dwyer Instruments

Sight flow indicator, 1/4" body, 3.000" L x 1.813" D x 2.125" H (76 x 46 x 54 mm), 1.1 lb (0.5 kg).

Zoro # G7627541
Mfr # SFI-100-1/4
product price:  $214.99
/ea
J.W. Winco GN743.7-11-3/8-NPT-A Oil Sight Glass 6PTK0
J.W. Winco

GN743.7-11-3/8-NPT-A Oil Sight Glass

Zoro # G4709278
Mfr # 6PTK0
product price:  $21.89
/ea
Dixon Wilkerson by Sight Glass Kit, For Use with M16, M26, L16, L26, CB6 Filter GRP-95-079
Dixon

Wilkerson by Sight Glass Kit, For Use with M16, M26, L16, L26, CB6 Filter

Zoro # G209195832
Mfr # GRP-95-079
product price:  $17.49
/ea
J.W. Winco GN743.7-32-1-1/4-NPT-A Oil Sight Glass 125PTK4
J.W. Winco

GN743.7-32-1-1/4-NPT-A Oil Sight Glass

Zoro # G4681944
Mfr # 125PTK4
product price:  $41.53
/ea
Dixon 1 Series Drip Leg Automatic Drain with Sight Glass, 1/2 in PTF Port, 250 psig Pressure Range, 2 SCFM 17-016-107
Dixon

1 Series Drip Leg Automatic Drain with Sight Glass, 1/2 in PTF Port, 250 psig Pressure Range, 2 SCFM

Zoro # G309195787
Mfr # 17-016-107
product price:  $286.99
/ea
J.W. Winco GN537-32-38-B Oil Sight Glass Aluminum RD3/B
J.W. Winco

GN537-32-38-B Oil Sight Glass Aluminum

Zoro # G4704484
Mfr # RD3/B
product price:  $27.95
/ea
J.W. Winco GN743.7-32-1-1/4-NPT-B Oil Sight Glass 125PTK9
J.W. Winco

GN743.7-32-1-1/4-NPT-B Oil Sight Glass

Zoro # G4706259
Mfr # 125PTK9
product price:  $48.75
/ea
Dixon In-Line Sight Glass, 6 in OD dia Sight, Clamp Connection, 7.6 in L, 80 psi Working B54BMP-R600LX
Dixon

In-Line Sight Glass, 6 in OD dia Sight, Clamp Connection, 7.6 in L, 80 psi Working

Zoro # G009195995
Mfr # B54BMP-R600LX
product price:  $1,087.99
/ea
Dwyer Instruments Sight flow indicator, 3/8" body, 3.063" L x 2.250" D x 2.125" H (78 x 57 x 54 mm), 1.7 lb (0.8 kg). SFI-300SS-3/8
Dwyer Instruments

Sight flow indicator, 3/8" body, 3.063" L x 2.250" D x 2.125" H (78 x 57 x 54 mm), 1.7 lb (0.8 kg).

Zoro # G5558865
Mfr # SFI-300SS-3/8
product price:  $429.99
/ea
Dixon Sight Flow Indicator, 4-3/8 in Sight, 4 in Flanged Short/TTMA, 150 psi 5200-SFI
Dixon

Sight Flow Indicator, 4-3/8 in Sight, 4 in Flanged Short/TTMA, 150 psi

Zoro # G510375107
Mfr # 5200-SFI
product price:  $153.99
/ea
Dwyer Instruments Sight flow indicator, 3/4" body, 4.063" L x 2.750" D x 2.563" H (103 x 70 x 65 mm), 2.6 lb (1.2 kg). SFI-350-3/4
Dwyer Instruments

Sight flow indicator, 3/4" body, 4.063" L x 2.750" D x 2.563" H (103 x 70 x 65 mm), 2.6 lb (1.2 kg).

Zoro # G710389430
Mfr # SFI-350-3/4
product price:  $312.99
/ea
Oil-Rite Gasketed Window Sight With Reflector 1-1/2 Npt Viton O-Ring B1740-17V
Oil-Rite

Gasketed Window Sight With Reflector 1-1/2 Npt Viton O-Ring

Zoro # G016547237
Mfr # B1740-17V
product price:  $35.35
/ea
Dixon Compact Sight Glass, 1-1/2 in Sight Dia, Clamp, 3.64 in L, 100 psi Working, 316L SS B54BMPS-R150
Dixon

Compact Sight Glass, 1-1/2 in Sight Dia, Clamp, 3.64 in L, 100 psi Working, 316L SS

Zoro # G709195844
Mfr # B54BMPS-R150
product price:  $233.99
/ea
J.W. Winco GN743.8-18-3/4-NPT-B Oil SIght Glass 11PSMH
J.W. Winco

GN743.8-18-3/4-NPT-B Oil SIght Glass

Zoro # G4668300
Mfr # 11PSMH
product price:  $22.65
/ea
Dixon 1 Side Beveled Flanged Sight Flow Indicator, 1-3/4 in Sight, 4 in TTMA, 150 psi TT4ASG-ETH
Dixon

1 Side Beveled Flanged Sight Flow Indicator, 1-3/4 in Sight, 4 in TTMA, 150 psi

Zoro # G310375109
Mfr # TT4ASG-ETH
product price:  $332.99
/ea
J.W. Winco GN743.3-11-G 3/8-B Oil Sight Glass Brass 743.3-11-G3/8-B
J.W. Winco

GN743.3-11-G 3/8-B Oil Sight Glass Brass

Zoro # G4711694
Mfr # 743.3-11-G3/8-B
product price:  $16.95
/ea
Dixon Sight Glass, In-Line, Series: B54BMP, 2-1/2 in OD Sight Dia, Clamp, 6.1 in Length, 120 psi Working,  B54BMP-R250LX
Dixon

Sight Glass, In-Line, Series: B54BMP, 2-1/2 in OD Sight Dia, Clamp, 6.1 in Length, 120 psi Working,

Zoro # G409195915
Mfr # B54BMP-R250LX
product price:  $630.99
/ea
Oil-Rite 303 SS Window Flow Sights w/Ball Indicator - 1/4in. Female NPT, 1/4in. Female NPT, Viton B4767-2V
Oil-Rite

303 SS Window Flow Sights w/Ball Indicator - 1/4in. Female NPT, 1/4in. Female NPT, Viton

Zoro # G416547400
Mfr # B4767-2V
product price:  $58.99
/ea
No Product Image Available
Ranco

Sight Glass, 5 3/4 in L, 1/2 in Sz, Female

Zoro # G522380151
Mfr # RSG-4S
product price:  $19.69
/ea
No Product Image Available
Ranco

Sight Glass, 6 7/8 in L, 7/8 in Sz, Female

Zoro # G122384658
Mfr # RSG-7S
product price:  $28.99
/ea
Dixon Wilkerson by Self-Relieving Standard Filter/Regulator with GC230 Gauge and Sight Glass, 3/8 in NPT/B B28-03MGMB
Dixon

Wilkerson by Self-Relieving Standard Filter/Regulator with GC230 Gauge and Sight Glass, 3/8 in NPT/B

Zoro # G709195868
Mfr # B28-03MGMB
product price:  $228.99
/ea
Dwyer Instruments Sight flow indicator, 3/4" body, 4.063" L x 2.750" D x 2.563" H (103 x 70 x 65 mm), 2.6 lb (1.2 kg). SFI-360-3/4
Dwyer Instruments

Sight flow indicator, 3/4" body, 4.063" L x 2.750" D x 2.563" H (103 x 70 x 65 mm), 2.6 lb (1.2 kg).

Zoro # G910389414
Mfr # SFI-360-3/4
product price:  $332.99
/ea
Oil-Rite 303 SS Window Flow Sights - 9/16in. dia, 1/2in. Female NPT, 1/2in. Female NPT, Viton B4766-4V
Oil-Rite

303 SS Window Flow Sights - 9/16in. dia, 1/2in. Female NPT, 1/2in. Female NPT, Viton

Zoro # G216547525
Mfr # B4766-4V
product price:  $83.59
/ea
Dwyer Instruments Sight flow indicator, 3in body, 6.250in 159 mm L, 7.500in 191 mm flange dia., 4in 102 mm viewing dia SFI-400SS-3
Dwyer Instruments

Sight flow indicator, 3in body, 6.250in 159 mm L, 7.500in 191 mm flange dia., 4in 102 mm viewing dia

Zoro # G310389427
Mfr # SFI-400SS-3
product price:  $2,067.99
/ea
Oil-Rite Gasketed Wndw Sight Straight Thread - Straight, 1 3/4in.-12, 2in., SS, 50 PSI, Buna-N, 1 17/32in. B2396-16
Oil-Rite

Gasketed Wndw Sight Straight Thread - Straight, 1 3/4in.-12, 2in., SS, 50 PSI, Buna-N, 1 17/32in.

Zoro # G816547192
Mfr # B2396-16
product price:  $52.89
/ea
Dwyer Instruments Sight Flow Indicator, Model 300Mp Sfi Bronze 1 Npt SFI-300MP-1
Dwyer Instruments

Sight Flow Indicator, Model 300Mp Sfi Bronze 1 Npt

Zoro # G707149092
Mfr # SFI-300MP-1
product price:  $354.99
/ea
Dwyer Instruments MOD 300MP SFI BRONZE 1-1/2 NPT SFI-300MP-1-1/2
Dwyer Instruments

MOD 300MP SFI BRONZE 1-1/2 NPT

Zoro # G410947787
Mfr # SFI-300MP-1-1/2
product price:  $728.99
/ea
Oil-Rite 303 SS Window Flow Sights - 7/16in. dia, 1/4in. Female NPT, 1/4in. Female NPT, Viton B4766-2V
Oil-Rite

303 SS Window Flow Sights - 7/16in. dia, 1/4in. Female NPT, 1/4in. Female NPT, Viton

Zoro # G516547584
Mfr # B4766-2V
product price:  $39.59
/ea
Dixon Wilkerson by Compact Combination Unit with Sight Glass, Aluminum Bowl, 250 psig Pressure C18-03MMB
Dixon

Wilkerson by Compact Combination Unit with Sight Glass, Aluminum Bowl, 250 psig Pressure

Zoro # G609195968
Mfr # C18-03MMB
product price:  $458.99
/ea
Dixon Sight Glass, In-Line, Series: B54BMP, 1-1/2 in OD Sight Dia, Clamp, 5.6 in Length, 145 psi Working,  B54BMP-R150LX
Dixon

Sight Glass, In-Line, Series: B54BMP, 1-1/2 in OD Sight Dia, Clamp, 5.6 in Length, 145 psi Working,

Zoro # G309195886
Mfr # B54BMP-R150LX
product price:  $392.99
/ea
J.W. Winco GN743-11-M16X1.5-B Oil Sight Glass 743-11-M16X1.5-B
J.W. Winco

GN743-11-M16X1.5-B Oil Sight Glass

Zoro # G4715806
Mfr # 743-11-M16X1.5-B
product price:  $13.45
/ea
Dixon TTMA Flanged Sight Flow Indicator 4-1460-AL
Dixon

TTMA Flanged Sight Flow Indicator

Zoro # G7149278
Mfr # 4-1460-AL
product price:  $140.99
/ea
Gems Sensors Flow Rate Indicator, Rotor, 5 GPM Max RFI, 142541
Gems Sensors

Flow Rate Indicator, Rotor, 5 GPM Max

Zoro # G1573275
Mfr # RFI, 142541
product price:  $215.99
/ea
Dwyer Instruments Sight flow indicator, 3/8" body, 3.063" L x 2.250" D x 2.125" H (78 x 57 x 54 mm), 1.7 lb (0.8 kg). SFI-300-3/8
Dwyer Instruments

Sight flow indicator, 3/8" body, 3.063" L x 2.250" D x 2.125" H (78 x 57 x 54 mm), 1.7 lb (0.8 kg).

Zoro # G6122155
Mfr # SFI-300-3/8
product price:  $290.99
/ea
J.W. Winco GN743.7-24-1-NPT-B Oil Sight Glass 1PTK8
J.W. Winco

GN743.7-24-1-NPT-B Oil Sight Glass

Zoro # G4721598
Mfr # 1PTK8
product price:  $31.27
/ea
J.W. Winco GN743.1-14-G1/2-A Oil Sight Glass Aluminum 743.1-14-G1/2-A
J.W. Winco

GN743.1-14-G1/2-A Oil Sight Glass Aluminum

Zoro # G4715955
Mfr # 743.1-14-G1/2-A
product price:  $15.89
/ea
Sight Glass Flow Indicators (544 items) - Page 2
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About Sight Glass Flow Indicators

Sight Glass Flow Indicators are a type of visual flow indicator used to measure the rate and direction of liquids, gases, and steam in pipes. They are a critical tool for many industries that rely on accurate measurements of flow in order to maintain safety and efficiency.

Types of Sight Glass Flow Indicators

There are several types of Sight Glass Flow Indicators commonly used today. Flanged sight glass flow indicators are often used when more accuracy is needed, while inline sight flow indicators are typically better suited for heavier duty applications. Oil flow sight glasses may be preferred for certain applications where viscosity is an issue. Water flow indicator sight glasses may also be necessary depending on the particular application.

How Sight Glass Flow Indicators are Made

Sight Glass Flow Indicators are typically made with high-quality glass and metal components. The glass allows professionals to visually inspect the contents inside the pipe while also allowing light to pass through so they can see what is happening inside the pipe. The metal components provide support and protection to ensure proper function over time.

Industries that use Sight Glass Flow Indicators

Sight Glass Flow Indicators can be found in a variety of industries, from plumbing and engineering to oil refining and chemical production. Professionals across these fields rely on these tools for their ability to accurately measure the rate, direction, temperature, pressure, and other characteristics related to liquid or gas flows.

Find the Sight Glass Flow Indicators You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of sight glass flow indicators, along with other tools or equipment to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.

Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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