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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
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Sight Glass Flow Indicators (544 items) - Page 7

Dwyer Instruments Sight flow indicator, 3/4" body, 3.688" L x 2.250" H (94 x 57 mm), 2.4 lb (1.1 kg). SFI-700-3/4
Dwyer Instruments

Sight flow indicator, 3/4" body, 3.688" L x 2.250" H (94 x 57 mm), 2.4 lb (1.1 kg).

Zoro # G510389418
Mfr # SFI-700-3/4
product price:  $826.99
/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
Dixon Watts by Hi-Flow Filter with Sight Glass, 1 in Port, 250 psig Pressure Range, 300 SCFM Flow Rate, 40 F602-08WJ
Dixon

Watts by Hi-Flow Filter with Sight Glass, 1 in Port, 250 psig Pressure Range, 300 SCFM Flow Rate, 40

Zoro # G409195816
Mfr # F602-08WJ
product price:  $340.75
/ea
Dixon Replacement Glass, 4 in, For Use with B54BMP In-Line Sight Glass, Borosilicate Glass B54G-P400
Dixon

Replacement Glass, 4 in, For Use with B54BMP In-Line Sight Glass, Borosilicate Glass

Zoro # G909195965
Mfr # B54G-P400
product price:  $557.99
/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:  $151.99
/ea
Dixon Replacement Glass, 1-1/2 in, For Use with B54BMP In-Line Sight Glass, Borosilicate Glass B54G-P150
Dixon

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

Zoro # G809195935
Mfr # B54G-P150
product price:  $176.99
/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
Dixon Sight Glass, In-Line, 6-1/2 in Sight Dia, 4 in, Clamp, 7-3/8 in L, 95 psi Working, 316L SS B54BMP-R400
Dixon

Sight Glass, In-Line, 6-1/2 in Sight Dia, 4 in, Clamp, 7-3/8 in L, 95 psi Working, 316L SS

Zoro # G309195961
Mfr # B54BMP-R400
product price:  $886.99
/ea
Dixon End Cap, 2-1/2 in, For Use with B54BMP In-Line Sight Glass, Plastic, Acrylic B5416MP-A250
Dixon

End Cap, 2-1/2 in, For Use with B54BMP In-Line Sight Glass, Plastic, Acrylic

Zoro # G609195876
Mfr # B5416MP-A250
product price:  $111.99
/ea
Dixon Series 1 Sub-Compact Micro-Fog Lubricator with Sight Glass, 1/4 in Port, 51 SCFM Flow Rate, 250 psi L72M-2MB
Dixon

Series 1 Sub-Compact Micro-Fog Lubricator with Sight Glass, 1/4 in Port, 51 SCFM Flow Rate, 250 psi

Zoro # G409195991
Mfr # L72M-2MB
product price:  $143.99
/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:  $120.99
/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:  $334.99
/ea
Dwyer Instruments Sight window, 1/2" male NPT. SFI-550-1/2
Dwyer Instruments

Sight window, 1/2" male NPT.

Zoro # G307149003
Mfr # SFI-550-1/2
product price:  $28.99
/ea
Oil-Rite 303 Stainless Steel Gasketed Window Sights Straight Thread - Straight w/Nut, 1 1/4in.-12, 1 1/2in B4764-15B
Oil-Rite

303 Stainless Steel Gasketed Window Sights Straight Thread - Straight w/Nut, 1 1/4in.-12, 1 1/2in

Zoro # G816547284
Mfr # B4764-15B
product price:  $104.99
/ea
Oil-Rite 303 SS Window Flow Sights - 3/4in. dia, 3/4in. Female NPT, 3/4in. Female NPT, Viton B4766-5V
Oil-Rite

303 SS Window Flow Sights - 3/4in. dia, 3/4in. Female NPT, 3/4in. Female NPT, Viton

Zoro # G716547520
Mfr # B4766-5V
product price:  $84.39
/ea
J.W. Winco GN743.2-14-G1/2-A Oil Sight Glass Brass 743.2-14-G1/2-A
J.W. Winco

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

Zoro # G4706794
Mfr # 743.2-14-G1/2-A
product price:  $17.45
/ea
J.W. Winco GN743.1-11-M16X1.5-A Oil Sight Glass Aluminum 743.1-11-M16X1.5-A
J.W. Winco

GN743.1-11-M16X1.5-A Oil Sight Glass Aluminum

Zoro # G4721729
Mfr # 743.1-11-M16X1.5-A
product price:  $15.99
/ea
Dixon End Cap, 6 in, For Use with B54BMP In-Line Sight Glass, Plastic, Acrylic B5416MP-A600
Dixon

End Cap, 6 in, For Use with B54BMP In-Line Sight Glass, Plastic, Acrylic

Zoro # G509195891
Mfr # B5416MP-A600
product price:  $689.99
/ea
J.W. Winco GN743.1-7-G1/4-A Oil Sight Glass Aluminum 743.1-7-G1/4-A
J.W. Winco

GN743.1-7-G1/4-A Oil Sight Glass Aluminum

Zoro # G4716016
Mfr # 743.1-7-G1/4-A
product price:  $20.65
/ea
Dixon Wilkerson by Compact Airline Particulate Filter with Sight Glass, 1/4 in NPT/BSPP-G Port, Aluminum B F18-02AMB
Dixon

Wilkerson by Compact Airline Particulate Filter with Sight Glass, 1/4 in NPT/BSPP-G Port, Aluminum B

Zoro # G809195942
Mfr # F18-02AMB
product price:  $163.99
/ea
Oil-Rite Fused Window Sights - 3/8in. NPTF, 3/4in., None, Not Applicable, 15/32in. A2890-2
Oil-Rite

Fused Window Sights - 3/8in. NPTF, 3/4in., None, Not Applicable, 15/32in.

Zoro # G516547362
Mfr # A2890-2
product price:  $4.29
/ea
Sold in mult. of 2 for $8.58
Oil-Rite Fused Window Sights - 2in. NPT, 2 1/2in., Stainless Steel, Aluminum Ball, 1 31/32in. A4959-7
Oil-Rite

Fused Window Sights - 2in. NPT, 2 1/2in., Stainless Steel, Aluminum Ball, 1 31/32in.

Zoro # G616547507
Mfr # A4959-7
product price:  $62.75
/ea
Dixon LOAD ONLY API VALVE, NO SIGHT GLASS 5204LSNGP
Dixon

LOAD ONLY API VALVE, NO SIGHT GLASS

Zoro # G709195837
Mfr # 5204LSNGP
product price:  $562.99
/ea
Dixon Wilkerson by Standard Airline Particulate Filter with Sight Glass, 3/4 in NPT/BSPP-G Port, 5 micron,  F28-06MMB
Dixon

Wilkerson by Standard Airline Particulate Filter with Sight Glass, 3/4 in NPT/BSPP-G Port, 5 micron,

Zoro # G509195877
Mfr # F28-06MMB
product price:  $135.21
/ea
Dixon Sight Glass, In-Line, Series: B54BMP, 3 in OD Sight Dia, Clamp, 7.3 in Length, 120 psi Working, 316 B54BMP-R300LX
Dixon

Sight Glass, In-Line, Series: B54BMP, 3 in OD Sight Dia, Clamp, 7.3 in Length, 120 psi Working, 316

Zoro # G709195899
Mfr # B54BMP-R300LX
product price:  $614.99
/ea
Dixon Jumbo Compressed Airline Filter with 1/4 Turn Manual Drain and Pyrex Sight Glass, 3/4 in Port, 325 S F17-600M
Dixon

Jumbo Compressed Airline Filter with 1/4 Turn Manual Drain and Pyrex Sight Glass, 3/4 in Port, 325 S

Zoro # G309195794
Mfr # F17-600M
product price:  $381.99
/ea
Dwyer Instruments GL FLMTR 20-300 SCCM DR12422M
Dwyer Instruments

GL FLMTR 20-300 SCCM

Zoro # G910113903
Mfr # DR12422M
product price:  $915.99
/ea
Dixon Wilkerson by Standard Combination Unit with Sight Glass, 3/8 in NPT/BSPP-G Port, 150 SCFM Flow Rate C28-03AMB
Dixon

Wilkerson by Standard Combination Unit with Sight Glass, 3/8 in NPT/BSPP-G Port, 150 SCFM Flow Rate

Zoro # G709195974
Mfr # C28-03AMB
product price:  $627.31
/ea
Oil-Rite 303 Stainless Steel Window Flow Sights - 11/32in. dia, 1/8in. Female NPT, 1/8in. Female NPT, Buna-N B4766-1B
Oil-Rite

303 Stainless Steel Window Flow Sights - 11/32in. dia, 1/8in. Female NPT, 1/8in. Female NPT, Buna-N

Zoro # G216547631
Mfr # B4766-1B
product price:  $55.99
/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
J.W. Winco GN743.2-11-G3/8-A Oil Sight Glass Brass 743.2-11-G3/8-A
J.W. Winco

GN743.2-11-G3/8-A Oil Sight Glass Brass

Zoro # G4707799
Mfr # 743.2-11-G3/8-A
product price:  $13.29
/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:  $25.82
/ea
Dwyer Instruments Sight flow indicator, 3in body, 8.875in 225 mm L, 7.500in 191 mm flange dia, 3in 76 mm viewing dia SFI-350FCS-3
Dwyer Instruments

Sight flow indicator, 3in body, 8.875in 225 mm L, 7.500in 191 mm flange dia, 3in 76 mm viewing dia

Zoro # G410389419
Mfr # SFI-350FCS-3
product price:  $2,170.99
/ea
J.W. Winco GN743.2-11-G3/8-B Oil Sight Glass Brass 743.2-11-G3/8-B
J.W. Winco

GN743.2-11-G3/8-B Oil Sight Glass Brass

Zoro # G4712114
Mfr # 743.2-11-G3/8-B
product price:  $13.55
/ea
Dixon 1 Side Beveled Optically Enhanced Sight Glass, 1-3/4 in dia Sight, 4 in TTMA Connection TT4ASG-ETHOE
Dixon

1 Side Beveled Optically Enhanced Sight Glass, 1-3/4 in dia Sight, 4 in TTMA Connection

Zoro # G209195788
Mfr # TT4ASG-ETHOE
product price:  $405.99
/ea
Dixon Wilkerson by Standard Airline Particulate Filter with Sight Glass, 3/4 in NPT/BSPP-G Port, Aluminum F28-06AMB
Dixon

Wilkerson by Standard Airline Particulate Filter with Sight Glass, 3/4 in NPT/BSPP-G Port, Aluminum

Zoro # G909195989
Mfr # F28-06AMB
product price:  $200.99
/ea
Sight Glass Flow Indicators (544 items) - Page 7
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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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