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  5. Flow Measuring Instruments
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  7. Sight Glass Flow Indicators

Sight Glass Flow Indicators (556 items) - Page 6

Dwyer Instruments Sight flow transmitter, 316 stainless steel cover. SF10
Dwyer Instruments

Sight flow transmitter, 316 stainless steel cover.

Zoro # G907149120
Mfr # SF10
product price: 
$1,269.99
/ea
J.W. Winco GN743.5-24-G1-B Oil Sight Glass 743.5-24-G1-B
J.W. Winco

GN743.5-24-G1-B Oil Sight Glass

Zoro # G4668766
Mfr # 743.5-24-G1-B
product price: 
$44.79
/ea
J.W. Winco GN743.3-18-M27-1.5-A Oil Sight Glass 743.3-18-M27X1.5-A
J.W. Winco

GN743.3-18-M27-1.5-A Oil Sight Glass

Zoro # G4705184
Mfr # 743.3-18-M27X1.5-A
product price: 
$21.29
/ea
J.W. Winco GN537-22-28-B Oil Sight Glass Aluminum RD2/B
J.W. Winco

GN537-22-28-B Oil Sight Glass Aluminum

Zoro # G4711414
Mfr # RD2/B
product price: 
$24.25
/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: 
$358.99
/ea
Dixon 6 in HSG SIGHT GLASS FKM REPAIR KIT 2 HSG-RKV600
Dixon

6 in HSG SIGHT GLASS FKM REPAIR KIT 2

Zoro # G409195960
Mfr # HSG-RKV600
product price: 
$174.99
/ea
Dwyer Instruments Sight window, 1" male NPT. SFI-550-1
Dwyer Instruments

Sight window, 1" male NPT.

Zoro # G007149044
Mfr # SFI-550-1
product price: 
$48.85
/ea
Ranco Sight Glass, 5 3/4 in L, 5/8 in Sz, Female RSG-5S
Ranco

Sight Glass, 5 3/4 in L, 5/8 in Sz, Female

Zoro # G922385107
Mfr # RSG-5S
product price: 
$21.89
/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
Dixon End Cap, 3 in, For Use with B54BMP In-Line Sight Glass, Plastic, Acrylic B5416MP-A300
Dixon

End Cap, 3 in, For Use with B54BMP In-Line Sight Glass, Plastic, Acrylic

Zoro # G909195897
Mfr # B5416MP-A300
product price: 
$153.99
/ea
Dwyer Instruments Sight flow indicator, 1/2in body, 4.500in 114 mm L, 3.500in 89 mm flange dia., 1.5in 38 mm viewing dia SFI-400SS-1/2
Dwyer Instruments

Sight flow indicator, 1/2in body, 4.500in 114 mm L, 3.500in 89 mm flange dia., 1.5in 38 mm viewing dia

Zoro # G710389409
Mfr # SFI-400SS-1/2
product price: 
$810.99
/ea
Oil-Rite 303 SS Gasketed Window Sights NPT Thread - 2in. NPT, 2 1/2in., Buna-N, SS B4763-18B
Oil-Rite

303 SS Gasketed Window Sights NPT Thread - 2in. NPT, 2 1/2in., Buna-N, SS

Zoro # G316547500
Mfr # B4763-18B
product price: 
$114.99
/ea
Dwyer Instruments Sight flow indicator, 1/4" 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-300-1/4
Dwyer Instruments

Sight flow indicator, 1/4" 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 # G7493857
Mfr # SFI-300-1/4
product price: 
$297.99
/ea
J.W. Winco GN743.5-11-M16X1.5-A Oil Sight Glass 743.5-11-M16X1.5-A
J.W. Winco

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

Zoro # G4667165
Mfr # 743.5-11-M16X1.5-A
product price: 
$25.59
/ea
J.W. Winco GN743.5-11-G3/8-A Oil Sight Glass 743.5-11-G3/8-A
J.W. Winco

GN743.5-11-G3/8-A Oil Sight Glass

Zoro # G4716217
Mfr # 743.5-11-G3/8-A
product price: 
$23.85
/ea
J.W. Winco GN743.8-32-1-1/4-NPT-B Oil SIght Glass 125PSMJ
J.W. Winco

GN743.8-32-1-1/4-NPT-B Oil SIght Glass

Zoro # G4681768
Mfr # 125PSMJ
product price: 
$50.99
/ea
J.W. Winco GN743.5-24-G1-A Oil Sight Glass 743.5-24-G1-A
J.W. Winco

GN743.5-24-G1-A Oil Sight Glass

Zoro # G4668504
Mfr # 743.5-24-G1-A
product price: 
$44.25
/ea
Dixon 2.5 in HSG SIGHT GLASS POLYCARBONATE HSG-POLY-250
Dixon

2.5 in HSG SIGHT GLASS POLYCARBONATE

Zoro # G909195941
Mfr # HSG-POLY-250
product price: 
$213.99
/ea
J.W. Winco JW Winco GN743.6-18-G3/4 Oil Sight Glass 743.6-18-G3/4
J.W. Winco

JW Winco GN743.6-18-G3/4 Oil Sight Glass

Zoro # G600663749
Mfr # 743.6-18-G3/4
product price: 
$26.15
/ea
Oil-Rite Gasketed Window Sight NPT Thread - 1in. NPT, 1 3/8in., None, 100 PSI, Buna-N, 1in. B1740-5
Oil-Rite

Gasketed Window Sight NPT Thread - 1in. NPT, 1 3/8in., None, 100 PSI, Buna-N, 1in.

Zoro # G516547645
Mfr # B1740-5
product price: 
$24.29
/ea
Dixon Wilkerson by Standard Combination Unit with Sight Glass, 3/8 in NPT Port, 60 SCFM Flow Rate, Zinc Bo C26-03MMB
Dixon

Wilkerson by Standard Combination Unit with Sight Glass, 3/8 in NPT Port, 60 SCFM Flow Rate, Zinc Bo

Zoro # G709195912
Mfr # C26-03MMB
product price: 
$849.99
/ea
Dixon Wilkerson by Jumbo Combination Unit with Sight Glass, 1 in NPT Port, 374 SCFM Flow Rate, Zinc Bowl C31-08AMB
Dixon

Wilkerson by Jumbo Combination Unit with Sight Glass, 1 in NPT Port, 374 SCFM Flow Rate, Zinc Bowl

Zoro # G809195997
Mfr # C31-08AMB
product price: 
$1,192.99
/ea
Dixon B54BMP-LX 100 Replacement Glass, For Use with In-Line Sight Glass, 1 in, 200DegF, Polycarbonate B54BMP-LX100
Dixon

B54BMP-LX 100 Replacement Glass, For Use with In-Line Sight Glass, 1 in, 200DegF, Polycarbonate

Zoro # G809195812
Mfr # B54BMP-LX100
product price: 
$62.99
/ea
Ranco Sight Glass, 2 5/8 in L, 1/4 in Sz, Female RSG-3FM
Ranco

Sight Glass, 2 5/8 in L, 1/4 in Sz, Female

Zoro # G022387360
Mfr # RSG-3FM
product price: 
$23.49
/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
Oil-Rite 303 Stainless Steel Wndw Flw Sights w/Ball Indicator - 1/4in. Female NPT, 1/4in. Female NPT, Buna-N B4767-2B
Oil-Rite

303 Stainless Steel Wndw Flw Sights w/Ball Indicator - 1/4in. Female NPT, 1/4in. Female NPT, Buna-N

Zoro # G816547543
Mfr # B4767-2B
product price: 
$87.99
/ea
Dwyer Instruments Sight flow indicator, 1-1/2" body, 4.875" L x 2.750" H (124 x 70 mm), 5.1 lb (2.3 kg). SFI-700-1-1/2
Dwyer Instruments

Sight flow indicator, 1-1/2" body, 4.875" L x 2.750" H (124 x 70 mm), 5.1 lb (2.3 kg).

Zoro # G210389428
Mfr # SFI-700-1-1/2
product price: 
$1,213.99
/ea
Oil-Rite Gasketed Window Sight NPT Thread - 1/2in. NPT, 15/16in., None, 125 PSI, Buna-N, 19/32in. B1740-3
Oil-Rite

Gasketed Window Sight NPT Thread - 1/2in. NPT, 15/16in., None, 125 PSI, Buna-N, 19/32in.

Zoro # G316547166
Mfr # B1740-3
product price: 
$22.89
/ea
Dixon Sight Flow Indicator Repair Kit, For Use with 5201-SFI Sight Flow Indicator 5201-SFI-RK1
Dixon

Sight Flow Indicator Repair Kit, For Use with 5201-SFI Sight Flow Indicator

Zoro # G110375019
Mfr # 5201-SFI-RK1
product price: 
$141.99
/ea
Dixon Wilkerson by Jumbo Combination Unit with Sight Glass, 3/4 in NPT Port, 374 SCFM Flow Rate, Zinc Bowl C31-06MMB
Dixon

Wilkerson by Jumbo Combination Unit with Sight Glass, 3/4 in NPT Port, 374 SCFM Flow Rate, Zinc Bowl

Zoro # G409195946
Mfr # C31-06MMB
product price: 
$1,235.99
/ea
Dixon Seal Kit, 2 in, For Use with B54BMP In-Line Sight Glass, Buna-N, Black B54BMP-SK200
Dixon

Seal Kit, 2 in, For Use with B54BMP In-Line Sight Glass, Buna-N, Black

Zoro # G709195806
Mfr # B54BMP-SK200
product price: 
$10.49
/ea
Dixon 1 Series Standard Oil-Fog Lubricator with Sight Glass, 186 SCFM Flow Rate, 250 psi Pressure, Aluminu L74C-6MB
Dixon

1 Series Standard Oil-Fog Lubricator with Sight Glass, 186 SCFM Flow Rate, 250 psi Pressure, Aluminu

Zoro # G509195921
Mfr # L74C-6MB
product price: 
$196.99
/ea
Oil-Rite 303 SS Gasketed Window Sights Straight Thread - Straight w/Nut, 1in.-14, 1 1/4in., Buna-N B4764-04B
Oil-Rite

303 SS Gasketed Window Sights Straight Thread - Straight w/Nut, 1in.-14, 1 1/4in., Buna-N

Zoro # G716547506
Mfr # B4764-04B
product price: 
$73.89
/ea
Oil-Rite Gasketed Window Sight Straight Thread - Straight, 1/2in.-20, 11/16in., 125 PSI, Buna-N, 5/16in. B2394-11
Oil-Rite

Gasketed Window Sight Straight Thread - Straight, 1/2in.-20, 11/16in., 125 PSI, Buna-N, 5/16in.

Zoro # G916547474
Mfr # B2394-11
product price: 
$22.59
/ea
J.W. Winco GN743.2-14-M20X1.5-A Oil Sight Glass 743.2-14-M20X1.5-A
J.W. Winco

GN743.2-14-M20X1.5-A Oil Sight Glass

Zoro # G4715018
Mfr # 743.2-14-M20X1.5-A
product price: 
$15.15
/ea
Dwyer Instruments GL FLMTR .5-9.5 SLPM DR12082M
Dwyer Instruments

GL FLMTR .5-9.5 SLPM

Zoro # G510113945
Mfr # DR12082M
product price: 
$902.99
/ea
Sight Glass Flow Indicators (556 items) - Page 6
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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.

Related Categories

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dwyer flow indicator1" npt sight glass3/4 in all thread3/4" velcronpt sight glass
3/4" curb stop1/2 flexzillasight flow indicator 2"3/4 sealtite3/4 in sealtight

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