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  5. Flow Measuring Instruments
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  7. Sight Glass Flow Indicators

Sight Glass Flow Indicators (548 items) - Page 4

Dixon Compact Jumbo Compressed Airline Filter with 1/4 Turn Manual Drain and Sight Glass, 2 in Port, Alumi F18-C00M
Dixon

Compact Jumbo Compressed Airline Filter with 1/4 Turn Manual Drain and Sight Glass, 2 in Port, Alumi

Zoro # G709195936
Mfr # F18-C00M
product price:  $1,547.99
/ea
J.W. Winco GN743.2-24-G1-B Oil Sight Glass Brass 743.2-24-G1-B
J.W. Winco

GN743.2-24-G1-B Oil Sight Glass Brass

Zoro # G4712656
Mfr # 743.2-24-G1-B
product price:  $22.19
/ea
J.W. Winco GN743.8-24-1-NPT-B Oil SIght Glass 1PSMI
J.W. Winco

GN743.8-24-1-NPT-B Oil SIght Glass

Zoro # G4722325
Mfr # 1PSMI
product price:  $32.65
/ea
Dixon LOAD ONLY API VALVE, NO SIGHT GLASS 5204LNG
Dixon

LOAD ONLY API VALVE, NO SIGHT GLASS

Zoro # G409195830
Mfr # 5204LNG
product price:  $421.99
/ea
Oil-Rite Fused Window Sights - 3/4in. NPTF, 1 1/16in., Stainless Steel, Aluminum Ball, 25/32in. A4959-4
Oil-Rite

Fused Window Sights - 3/4in. NPTF, 1 1/16in., Stainless Steel, Aluminum Ball, 25/32in.

Zoro # G016547466
Mfr # A4959-4
product price:  $18.29
/ea
Dwyer Instruments Sight flow indicator, 1-1/2in body, 6.375in 162 mm L, 5in 127 mm flange dia, 2.313in 58 mm viewing dia SFI-350FCS-1-1/2
Dwyer Instruments

Sight flow indicator, 1-1/2in body, 6.375in 162 mm L, 5in 127 mm flange dia, 2.313in 58 mm viewing dia

Zoro # G110389429
Mfr # SFI-350FCS-1-1/2
product price:  $1,260.99
/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
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:  $209.99
/ea
Gems Sensors Flow Rate Monitor, Rotor, 60 GPM Max RFO, 194762
Gems Sensors

Flow Rate Monitor, Rotor, 60 GPM Max

Zoro # G2206574
Mfr # RFO, 194762
product price:  $332.99
/ea
Dwyer Instruments Sight flow indicator, 2" body, 5.500" L x 3.688" D x 4.063" H (140 x 93 x 103 mm), 7.0 lb (3.2 kg). SFI-300SS-2
Dwyer Instruments

Sight flow indicator, 2" body, 5.500" L x 3.688" D x 4.063" H (140 x 93 x 103 mm), 7.0 lb (3.2 kg).

Zoro # G5613273
Mfr # SFI-300SS-2
product price:  $1,477.99
/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
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
Oil-Rite 303 Stainless Steel Wndw Flw Sights w/Ball Indicator - 1/2in. Female NPT, 1/2in. Female NPT, Buna-N B4767-4B
Oil-Rite

303 Stainless Steel Wndw Flw Sights w/Ball Indicator - 1/2in. Female NPT, 1/2in. Female NPT, Buna-N

Zoro # G316547289
Mfr # B4767-4B
product price:  $130.99
/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
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
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
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
J.W. Winco GN743.2-24-G1-A Oil Sight Glass Brass 743.2-24-G1-A
J.W. Winco

GN743.2-24-G1-A Oil Sight Glass Brass

Zoro # G4707677
Mfr # 743.2-24-G1-A
product price:  $21.15
/ea
Dixon Cam and Groove Insert, For Use with 4-1460-AL TTMA Sight Flow Indicator, Plexiglas 4PSG
Dixon

Cam and Groove Insert, For Use with 4-1460-AL TTMA Sight Flow Indicator, Plexiglas

Zoro # G908791762
Mfr # 4PSG
product price:  $95.35
/ea
J.W. Winco GN743.8-11-3/8-NPT-B Oil SIght Glass 6PSMF
J.W. Winco

GN743.8-11-3/8-NPT-B Oil SIght Glass

Zoro # G4713024
Mfr # 6PSMF
product price:  $20.35
/ea
J.W. Winco GN743.2-14-G1/2-B Oil Sight Glass Brass 743.2-14-G1/2-B
J.W. Winco

GN743.2-14-G1/2-B Oil Sight Glass Brass

Zoro # G4704938
Mfr # 743.2-14-G1/2-B
product price:  $17.79
/ea
Dwyer Instruments Polysulfone sight flow indicator with A-711 sensor, range 2-20 GPM (7.6-75.5 LPM), 1/2" female NPT. SFI-800-1/2-A711
Dwyer Instruments

Polysulfone sight flow indicator with A-711 sensor, range 2-20 GPM (7.6-75.5 LPM), 1/2" female NPT.

Zoro # G707149061
Mfr # SFI-800-1/2-A711
product price:  $274.99
/ea
Dixon Wilkerson by Standard Combination Unit with Sight Glass, 1/2 in NPT Port, 128 SCFM Flow Rate, Zinc B C26-04MMB
Dixon

Wilkerson by Standard Combination Unit with Sight Glass, 1/2 in NPT Port, 128 SCFM Flow Rate, Zinc B

Zoro # G109195918
Mfr # C26-04MMB
product price:  $849.99
/ea
Dixon In-Line Sight Glass, Clamp, 3" B54BMP-R300
Dixon

In-Line Sight Glass, Clamp, 3"

Zoro # G7155569
Mfr # B54BMP-R300
product price:  $486.99
/ea
Dixon Compact Sight Glass, 4 in Sight Dia, Clamp, 4.34 in L, 100 psi Working, 316L SS B54BMPS-R400
Dixon

Compact Sight Glass, 4 in Sight Dia, Clamp, 4.34 in L, 100 psi Working, 316L SS

Zoro # G709195981
Mfr # B54BMPS-R400
product price:  $828.99
/ea
Dwyer Instruments Sight flow indicator, 1" body, 4.375" L x 3.125" D x 2.563" H (111 x 79 x 65 mm), 3.0 lb (1.4 kg). SFI-350-1
Dwyer Instruments

Sight flow indicator, 1" body, 4.375" L x 3.125" D x 2.563" H (111 x 79 x 65 mm), 3.0 lb (1.4 kg).

Zoro # G110389405
Mfr # SFI-350-1
product price:  $325.99
/ea
Dwyer Instruments GL FLMTR 20-480 CCM DR224732M
Dwyer Instruments

GL FLMTR 20-480 CCM

Zoro # G210113924
Mfr # DR224732M
product price:  $1,085.99
/ea
Dixon Replacement Glass, 2-1/2 in, For Use with B54BMP In-Line Sight Glass, Borosilicate Glass B54G-P250
Dixon

Replacement Glass, 2-1/2 in, For Use with B54BMP In-Line Sight Glass, Borosilicate Glass

Zoro # G209195900
Mfr # B54G-P250
product price:  $296.99
/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
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
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
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
Dixon Sight Glass, In-Line, 4-3/4 in Sight Dia, 2-1/2 in, Clamp, 6-1/8 in L, 120 psi Working, 316L SS B54BMP-R250
Dixon

Sight Glass, In-Line, 4-3/4 in Sight Dia, 2-1/2 in, Clamp, 6-1/8 in L, 120 psi Working, 316L SS

Zoro # G409195984
Mfr # B54BMP-R250
product price:  $618.99
/ea
Conbraco WATER GAUGE WITH ROD&GLASS 21-205-00
Conbraco

WATER GAUGE WITH ROD&GLASS

Zoro # G609244604
Mfr # 21-205-00
product price:  $202.99
/ea
Dwyer Instruments Sight flow indicator, 2in body, 6.125in 156 mm L, 6in 152 mm flange dia, 3in 76 mm viewing dia SFI-400CI-2
Dwyer Instruments

Sight flow indicator, 2in body, 6.125in 156 mm L, 6in 152 mm flange dia, 3in 76 mm viewing dia

Zoro # G010389420
Mfr # SFI-400CI-2
product price:  $785.99
/ea
Dixon Sight Glass, In-Line, Series: B54BMP, 1 in OD Sight Dia, Clamp, 5.6 in Length, 145 psi Working, 316 B54BMP-R100LX
Dixon

Sight Glass, In-Line, Series: B54BMP, 1 in OD Sight Dia, Clamp, 5.6 in Length, 145 psi Working, 316

Zoro # G809195928
Mfr # B54BMP-R100LX
product price:  $346.99
/ea
Sight Glass Flow Indicators (548 items) - Page 4
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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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