Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Promo Codes
  • Contact Us
Added to Cart
Skip to Main Content
FREE Shipping on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
Cart Icon
0
Cart Icon
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Test Instruments & Gauges
  4. /
  5. Flow Measuring Instruments
  6. /
  7. Sight Glass Flow Indicators
Search Feedback

Sight Glass Flow Indicators (544 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:  $20.66
/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
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
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
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
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
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 In-Line Sight Glass, Clamp, 2" B54BMP-R200
Dixon

In-Line Sight Glass, Clamp, 2"

Zoro # G7146889
Mfr # B54BMP-R200
product price:  $333.55
/ea
Dixon In-Line Sight Glass, Clamp, 3" B54BMP-R300
Dixon

In-Line Sight Glass, Clamp, 3"

Zoro # G7155569
Mfr # B54BMP-R300
product price:  $487.04
/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
Dixon Wilkerson by Standard Combination Unit with Sight Glass, 3/4 in NPT/BSPP-G Port, 175 SCFM Flow Rate C28-06AMB
Dixon

Wilkerson by Standard Combination Unit with Sight Glass, 3/4 in NPT/BSPP-G Port, 175 SCFM Flow Rate

Zoro # G709195851
Mfr # C28-06AMB
product price:  $656.99
/ea
Dixon Wilkerson by Self-Relieving Standard Filter/Regulator with GC230 Gauge and Sight Glass, Aluminum Bow B28-06MGMB
Dixon

Wilkerson by Self-Relieving Standard Filter/Regulator with GC230 Gauge and Sight Glass, Aluminum Bow

Zoro # G609195920
Mfr # B28-06MGMB
product price:  $229.99
/ea
Dwyer Instruments GL FLMTR .5-5 SLMP DR12470M
Dwyer Instruments

GL FLMTR .5-5 SLMP

Zoro # G310113930
Mfr # DR12470M
product price:  $915.99
/ea
Dixon B54BMP-LX 150 Replacement Glass, For Use with In-Line Sight Glass, 1-1/2 in, 200DegF, Polycarbonate B54BMP-LX150
Dixon

B54BMP-LX 150 Replacement Glass, For Use with In-Line Sight Glass, 1-1/2 in, 200DegF, Polycarbonate

Zoro # G709195813
Mfr # B54BMP-LX150
product price:  $84.95
/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
Oil-Rite Gasketed Window Sight NPT Thread - 3/8in. NPT, 3/4in., Stainless Steel, 125 PSI, Buna-N, 15/32in. B1740-12
Oil-Rite

Gasketed Window Sight NPT Thread - 3/8in. NPT, 3/4in., Stainless Steel, 125 PSI, Buna-N, 15/32in.

Zoro # G016547336
Mfr # B1740-12
product price:  $22.15
/ea
Dixon Wilkerson by Standard Combination Unit with Sight Glass, 175 SCFM Flow Rate, Aluminum Bowl C28-04AMB
Dixon

Wilkerson by Standard Combination Unit with Sight Glass, 175 SCFM Flow Rate, Aluminum Bowl

Zoro # G509195785
Mfr # C28-04AMB
product price:  $656.99
/ea
Dixon Watts by Standard Combination Unit with Sight Glass, 275 SCFM Flow Rate, Zinc Bowl, 250 psig Pressur C119-06MMB
Dixon

Watts by Standard Combination Unit with Sight Glass, 275 SCFM Flow Rate, Zinc Bowl, 250 psig Pressur

Zoro # G009195964
Mfr # C119-06MMB
product price:  $910.99
/ea
Dixon Series 1 Compact Micro-Fog Lubricator with Sight Glass, 70 SCFM Flow Rate, 250 psi Pressure, Metal B L73M-4MB
Dixon

Series 1 Compact Micro-Fog Lubricator with Sight Glass, 70 SCFM Flow Rate, 250 psi Pressure, Metal B

Zoro # G509195846
Mfr # L73M-4MB
product price:  $156.99
/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
Oil-Rite Gasketed Window Sght Straight Thread - Straight, 1in.-14, 1 1/4in., SS, 125 PSI, Buna-N, 25/32in. B2396-13
Oil-Rite

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

Zoro # G816547185
Mfr # B2396-13
product price:  $17.59
/ea
Dixon Wilkerson by Standard Combination Unit with Sight Glass, 3/8 in NPT/BSPP-G Port, 150 SCFM Flow Rate C28-03MMB
Dixon

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

Zoro # G009195865
Mfr # C28-03MMB
product price:  $560.99
/ea
Swivel 3 Inchx8 Inch 500Psi Petol Sightglass SW442911
Swivel

3 Inchx8 Inch 500Psi Petol Sightglass

Zoro # G510758948
Mfr # SW442911
product price:  $146.99
/ea
Dixon LOAD ONLY API VALVE, NO SIGHT GLASS 5204LNG
Dixon

LOAD ONLY API VALVE, NO SIGHT GLASS

Zoro # G409195830
Mfr # 5204LNG
product price:  $400.99
/ea
J.W. Winco GN743.2-11-M16X1.5-A Oil Sight Glass 743.2-11-M16X1.5-A
J.W. Winco

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

Zoro # G4708334
Mfr # 743.2-11-M16X1.5-A
product price:  $12.79
/ea
Dixon Watts by  Sight Glass Repair Kit, For Use with Watts L606-06, L606-08 and L606-12 Lubricators, Domes RKB605WB
Dixon

Watts by Sight Glass Repair Kit, For Use with Watts L606-06, L606-08 and L606-12 Lubricators, Domes

Zoro # G309195862
Mfr # RKB605WB
product price:  $29.15
/ea
Dwyer Instruments GL FLMTR .5-5 SLPM DR10470M
Dwyer Instruments

GL FLMTR .5-5 SLPM

Zoro # G010113926
Mfr # DR10470M
product price:  $500.99
/ea
J.W. Winco GN743.5-14-M20X1.5-B Oil Sight Glass 743.5-14-M20X1.5-B
J.W. Winco

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

Zoro # G4667655
Mfr # 743.5-14-M20X1.5-B
product price:  $27.15
/ea
Dixon Compact Jumbo Compressed Airline Filter with Automatic Drain and Sight Glass, 2 in Port, 40 micron,  F18-C00A
Dixon

Compact Jumbo Compressed Airline Filter with Automatic Drain and Sight Glass, 2 in Port, 40 micron,

Zoro # G809195867
Mfr # F18-C00A
product price:  $1,509.99
/ea
J.W. Winco GN743.8-14-1/2-NPT-A Oil SIght Glass 8PSMB
J.W. Winco

GN743.8-14-1/2-NPT-A Oil SIght Glass

Zoro # G4673334
Mfr # 8PSMB
product price:  $23.95
/ea
Dixon Series 1 Jumbo Oil-Fog Lubricator with Sight Glass, 3/4 in NPT Port, 160 SCFM Flow Rate, 250 psi Pre L17-600D
Dixon

Series 1 Jumbo Oil-Fog Lubricator with Sight Glass, 3/4 in NPT Port, 160 SCFM Flow Rate, 250 psi Pre

Zoro # G709195790
Mfr # L17-600D
product price:  $342.99
/ea
Dixon Series 1 Compact Micro-Fog Lubricator with Sight Glass, 70 SCFM Flow Rate, 250 psi Pressure, Metal B L73M-2MB
Dixon

Series 1 Compact Micro-Fog Lubricator with Sight Glass, 70 SCFM Flow Rate, 250 psi Pressure, Metal B

Zoro # G109195994
Mfr # L73M-2MB
product price:  $156.04
/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 Compact Sight Glass, 3 in Sight Dia, Clamp, 4.13 in L, 100 psi Working, 316L SS B54BMPS-R300
Dixon

Compact Sight Glass, 3 in Sight Dia, Clamp, 4.13 in L, 100 psi Working, 316L SS

Zoro # G509195969
Mfr # B54BMPS-R300
product price:  $558.99
/ea
Dixon Watts by Hi-Flow Filter with Sight Glass, 3/4 in Port, 175 psig Pressure Range, 270 SCFM Flow Rate,  F602-06WJR
Dixon

Watts by Hi-Flow Filter with Sight Glass, 3/4 in Port, 175 psig Pressure Range, 270 SCFM Flow Rate,

Zoro # G709195776
Mfr # F602-06WJR
product price:  $381.99
/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
Sight Glass Flow Indicators (544 items) - Page 3
  • First
  • Previous
  • 3
    of 16 pages
  • Next
  • Last

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

Water GaugesPressure GaugesTest Leads & ProbesPressure TransducersLevel Gauges
TachometersClamp On Power MetersVacuum GaugesDifferential Pressure Gauge AccessoriesGauge guards, Seals & Accessories
1/2 acr1/2 carflex1/2 flexzilla1-1/2 crowfoot1/2 cross
1/2 bulk head1-1/2 filter1/2 bulkhead1-1/4 sight glass1-1/2 padlock

Sign Up & Save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow Us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every Part Plays a Part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Promo Codes
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research

Zoro, Inc

Connect

Customer Service From Real People

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc