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  3. Test Instruments & Gauges
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  5. Flow Measuring Instruments
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  7. Sight Glass Flow Indicators

Sight Glass Flow Indicators (550 items) - Page 3

J.W. Winco GN743-32-M40X1.5-A Oil Sight Glass 743-32-M40X1.5-A
J.W. Winco

GN743-32-M40X1.5-A Oil Sight Glass

Zoro # G4720855
Mfr # 743-32-M40X1.5-A
product price:  $22.79
/ea
Oil-Rite 303 Stainless Steel Gasketed Window Sights Straight Thread - Straight w/Nut, 1in.-14, 1 1/4in. B4764-14B
Oil-Rite

303 Stainless Steel Gasketed Window Sights Straight Thread - Straight w/Nut, 1in.-14, 1 1/4in.

Zoro # G416547271
Mfr # B4764-14B
product price:  $81.29
/ea
J.W. Winco GN743.5-14-G1/2-A Oil Sight Glass 743.5-14-G1/2-A
J.W. Winco

GN743.5-14-G1/2-A Oil Sight Glass

Zoro # G4675197
Mfr # 743.5-14-G1/2-A
product price:  $27.39
/ea
Oil-Rite Fused Window Sights - 2in. NPT, 2 1/2in., Stainless Steel, Not Applicable, 1 31/32in. A2890-18
Oil-Rite

Fused Window Sights - 2in. NPT, 2 1/2in., Stainless Steel, Not Applicable, 1 31/32in.

Zoro # G716547452
Mfr # A2890-18
product price:  $35.39
/ea
Dwyer Instruments Sight window, 1-1/2" male NPT. SFI-550-1-1/2
Dwyer Instruments

Sight window, 1-1/2" male NPT.

Zoro # G807149183
Mfr # SFI-550-1-1/2
product price:  $89.50
/ea
Oil-Rite Gasketed Window Sight Straight Thread - Straight, 1in.-14, 1 1/4in., 125 PSI, Buna-N, 25/32in. B2394-14
Oil-Rite

Gasketed Window Sight Straight Thread - Straight, 1in.-14, 1 1/4in., 125 PSI, Buna-N, 25/32in.

Zoro # G416547448
Mfr # B2394-14
product price:  $15.39
/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:  $398.99
/ea
Dixon In-Line Sight Glass, Clamp 1-1/2" B54BMP-R150
Dixon

In-Line Sight Glass, Clamp 1-1/2"

Zoro # G7152017
Mfr # B54BMP-R150
product price:  $326.99
/ea
J.W. Winco GN743-18-G3/4-A Oil Sight Glass 743-18-G3/4-A
J.W. Winco

GN743-18-G3/4-A Oil Sight Glass

Zoro # G4721528
Mfr # 743-18-G3/4-A
product price:  $17.89
/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:  $32.89
/ea
J.W. Winco GN743-14-G1/2-A Oil Sight Glass 743-14-G1/2-A
J.W. Winco

GN743-14-G1/2-A Oil Sight Glass

Zoro # G4720478
Mfr # 743-14-G1/2-A
product price:  $14.15
/ea
J.W. Winco GN743-32-M42X1.5-B Oil Sight Glass 743-32-M42X1.5-B
J.W. Winco

GN743-32-M42X1.5-B Oil Sight Glass

Zoro # G4721336
Mfr # 743-32-M42X1.5-B
product price:  $22.95
/ea
Dwyer Instruments Polysulfone sight flow indicator only, range 2-20 GPM (7.6-75.5 LPM), 1/2" female NPT. SFI-800-1/2
Dwyer Instruments

Polysulfone sight flow indicator only, range 2-20 GPM (7.6-75.5 LPM), 1/2" female NPT.

Zoro # G910389421
Mfr # SFI-800-1/2
product price:  $126.99
/ea
Dwyer Instruments Polycarbonate sight flow indicator only, range 2-20 GPM (7.6-75.5 LPM), 1/2" female NPT. SFI-801-1/2
Dwyer Instruments

Polycarbonate sight flow indicator only, range 2-20 GPM (7.6-75.5 LPM), 1/2" female NPT.

Zoro # G207149028
Mfr # SFI-801-1/2
product price:  $112.99
/ea
Oil-Rite Gasketed Window Sight NPT Thread - 1in. NPT, 1 3/8in., Stainless Steel, 100 PSI, Buna-N, 1in. B1740-15
Oil-Rite

Gasketed Window Sight NPT Thread - 1in. NPT, 1 3/8in., Stainless Steel, 100 PSI, Buna-N, 1in.

Zoro # G816547246
Mfr # B1740-15
product price:  $26.89
/ea
J.W. Winco GN743-11-G3/8-A Oil Sight Glass 743-11-G3/8-A
J.W. Winco

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

Zoro # G4714939
Mfr # 743-11-G3/8-A
product price:  $13.19
/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
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-350SS-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 # G210389411
Mfr # SFI-350SS-3/8
product price:  $500.99
/ea
Dixon Sight Glass Repair Kit, Suitable For Use w/ 4530SG and 4540SG API Drop Adapter 4540SG-RK1
Dixon

Sight Glass Repair Kit, Suitable For Use w/ 4530SG and 4540SG API Drop Adapter

Zoro # G209195962
Mfr # 4540SG-RK1
product price:  $61.55
/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:  $155.99
/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
Dixon Compact Sight Glass, 1 in Sight Dia, Clamp, 3-3/8 in L, 100 psi Working, 316L SS B54BMPLX-R100
Dixon

Compact Sight Glass, 1 in Sight Dia, Clamp, 3-3/8 in L, 100 psi Working, 316L SS

Zoro # G809195829
Mfr # B54BMPLX-R100
product price:  $192.99
/ea
Dixon Compact Sight Glass, 2 in Sight Dia, Clamp, 3.83 in L, 100 psi Working, 316L SS B54BMPS-R200
Dixon

Compact Sight Glass, 2 in Sight Dia, Clamp, 3.83 in L, 100 psi Working, 316L SS

Zoro # G009195896
Mfr # B54BMPS-R200
product price:  $304.99
/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
J.W. Winco GN743-18-M27X1.5-A Oil Sight Glass 743-18-M27X1.5-A
J.W. Winco

GN743-18-M27X1.5-A Oil Sight Glass

Zoro # G4717197
Mfr # 743-18-M27X1.5-A
product price:  $22.49
/ea
Dwyer Instruments Sight flow indicator, 1/2" body, 3.688" L x 2.250" H (94 x 57 mm), 2.4 lb (1.1 kg). SFI-700-1/2
Dwyer Instruments

Sight flow indicator, 1/2" body, 3.688" L x 2.250" H (94 x 57 mm), 2.4 lb (1.1 kg).

Zoro # G710389416
Mfr # SFI-700-1/2
product price:  $675.99
/ea
J.W. Winco GN743.1-14-M20X1.5-A Oil Sight Glass Aluminum 743.1-14-M20X1.5-A
J.W. Winco

GN743.1-14-M20X1.5-A Oil Sight Glass Aluminum

Zoro # G4715727
Mfr # 743.1-14-M20X1.5-A
product price:  $16.65
/ea
J.W. Winco GN743.2-11-M16X1.5-B Oil Sight Glass 743.2-11-M16X1.5-B
J.W. Winco

GN743.2-11-M16X1.5-B Oil Sight Glass

Zoro # G4706566
Mfr # 743.2-11-M16X1.5-B
product price:  $12.45
/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
J.W. Winco GN743-32-G1-1/4-A Oil Sight Glass 743-32-G11/4-A
J.W. Winco

GN743-32-G1-1/4-A Oil Sight Glass

Zoro # G4717985
Mfr # 743-32-G11/4-A
product price:  $26.15
/ea
Dwyer Instruments Polysulfone sight flow indicator only, range 3-35 GPM (11.4-132.5 LPM), 3/4" female NPT. SFI-800-3/4
Dwyer Instruments

Polysulfone sight flow indicator only, range 3-35 GPM (11.4-132.5 LPM), 3/4" female NPT.

Zoro # G610389417
Mfr # SFI-800-3/4
product price:  $126.99
/ea
Dixon Replacement Glass, 2 in, For Use with B54BMP In-Line Sight Glass, Borosilicate Glass B54G-P200
Dixon

Replacement Glass, 2 in, For Use with B54BMP In-Line Sight Glass, Borosilicate Glass

Zoro # G509195907
Mfr # B54G-P200
product price:  $230.99
/ea
J.W. Winco GN743-14-M20X1.5-B Oil Sight Glass 743-14-M20X1.5-B
J.W. Winco

GN743-14-M20X1.5-B Oil Sight Glass

Zoro # G4719997
Mfr # 743-14-M20X1.5-B
product price:  $13.49
/ea
Gems Sensors Flow Rate Monitor, Rotor, 30 GPM Max RFO, 194761
Gems Sensors

Flow Rate Monitor, Rotor, 30 GPM Max

Zoro # G2644031
Mfr # RFO, 194761
product price:  $291.99
/ea
Dwyer Instruments MOD 300MP SFI BRONZE 1-1/4 NPT SFI-300MP-1-1/4
Dwyer Instruments

MOD 300MP SFI BRONZE 1-1/4 NPT

Zoro # G910947782
Mfr # SFI-300MP-1-1/4
product price:  $389.99
/ea
J.W. Winco GN743-11-G3/8-B Oil Sight Glass 743-11-G3/8-B
J.W. Winco

GN743-11-G3/8-B Oil Sight Glass

Zoro # G4721519
Mfr # 743-11-G3/8-B
product price:  $12.99
/ea
Sight Glass Flow Indicators (550 items) - Page 3
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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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dwyer flow indicator3/4 in sealtightsight flow indicator 1"3/4 banjo3/4 in all thread
sight flow indicator 2"npt sight glass3/4 sealtite1" npt sight glass1/2 flexzilla

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