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Sight Glass

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SS316L Sanitary Non-Retention Ball- Type Four Way Sight Glass
Video

SS316L Sanitary Non-Retention Ball- Type Four Way Sight Glass

US $ 6-20/ Piece FOB
MOQ: 2 Pieces
Audited Supplier
Main Products
Sanitary Valves, Diaphragm Valve, 3PC Ball Valve, Sanitary Butterfly Valve, Angle Seat Valve, Sampling Valve, Pipe Fittings, CIP Cleaning Ball, Stainless Steel Manhole Cover, Sight Glass
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Zhejiang Sanying Fluid Equipment Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2022
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Food Grade Stainless Steel Sanitary Quick Tri Clamp Straight Sight Glass for Dairy Beer Brewing
Video

Food Grade Stainless Steel Sanitary Quick Tri Clamp Straight Sight Glass for Dairy Beer Brewing

US $ 8-25/ pieces FOB
MOQ: 1 pieces
Head Code : Square
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Zhejiang Sanying Fluid Equipment Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2022
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DIN7080 Tempered Borosilicate Sight Glass High-Temperature & Pressure Resistant Industrial Glass
Video

DIN7080 Tempered Borosilicate Sight Glass High-Temperature & Pressure Resistant Industrial Glass

US $ 5.76-9.6/ piece FOB
MOQ: 10 piece
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Main Products
Safety Sight Glass, Level Gauge Glass, Optical Glass, Industrial Glass, High Pressure Glass Tube, Container Sight Glass, Sintered Sight Glass, Vacuum Sight Glass, Pipeline Sight Glass, Explosion Proof Lights
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Lumistar Special Glass Technology Co., Ltd.

Manufacturer/Factory

Jiangsu , China Since 2025
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Santhai SS304/316L Union Type Sight Glass
Video

Santhai SS304/316L Union Type Sight Glass

US $ 5.88-7.07/ Piece FOB
MOQ: 1 Piece
Shape : Reducing
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WENZHOU SANTHAI VALVE PIPE FITTING CO., LTD.

Manufacturer/Factory

Zhejiang , China Since 2016
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PTFE-Lined Sight Glass Industrial Valve Acid and Alkali Resistant, Corrosion-Proof
Video

PTFE-Lined Sight Glass Industrial Valve Acid and Alkali Resistant, Corrosion-Proof

US $ 42/ Piece FOB
MOQ: 50 Pieces
Audited Supplier
Main Products
Ball Valve, Fluorine-Lined Valve, Fluorine-Lined Ball Valve, Valve, Stainless Steel Ball Valve, Butterfly Valve, Globe Valve, Check Valve
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Kailong Fluorine Lined Valve Technology (Zhejiang) Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2026
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SS304/SS316L/Stainless Steel Elongated Ellipse/Obround Sight Glass with Level Indicator Fitting
Video

SS304/SS316L/Stainless Steel Elongated Ellipse/Obround Sight Glass with Level Indicator Fitting

US $ 12.51-12.69/ Piece FOB
MOQ: 1 Piece
Shape : Reducing
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WENZHOU QIMING STAINLESS CO., LTD.

Manufacturer/Factory,Trading Company

Zhejiang , China Since 2009
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Borosilicate Gauge Reflex Glass for Boiler Watching Window

Borosilicate Gauge Reflex Glass for Boiler Watching Window

US $ 1/ Piece FOB
MOQ: 100 Pieces
Audited Supplier
Main Products
Borosilicate Glass Tube, Neutral Glass Tube, Borosilicate Float Glass, Gauge Glass, Reflex Glass, Glass Cover, Sight Glass, Glass Ceramic, Glass Syringe
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Jinan Everest Glass Company Limited.

Trading Company

Shandong , China Since 2026
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Flamp Proof Heat Resistant Robax Glass Ceramic Stove Glass Fireplace Window Glass

Flamp Proof Heat Resistant Robax Glass Ceramic Stove Glass Fireplace Window Glass

US $ 0.5-10/ Piece FOB
MOQ: 100 Pieces
Certification : CE
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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SS304/316 Sanitary Food Grade in Line Clamp Straight Sight Glass
Video

SS304/316 Sanitary Food Grade in Line Clamp Straight Sight Glass

US $ 0.1-1/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Flange, Valve
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Xingsheng Mechanical Technology Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2019
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Stainless Steel Saintary Union Sight Glass Liquid Level Gauge Glass Boiler Glass
Video

Stainless Steel Saintary Union Sight Glass Liquid Level Gauge Glass Boiler Glass

US $ 0.1-100/ Piece FOB
MOQ: 1 Piece
Certification : CE, ISO13485
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Nanyang Kylin Special Glass Co., Ltd.

Manufacturer/Factory

Henan , China Since 2019
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China Wholesale Hardened Environmental Protection JIS B8286 Tempered Sight Glass
Video

China Wholesale Hardened Environmental Protection JIS B8286 Tempered Sight Glass

US $ 4.13-550/ Piece FOB
MOQ: 10 Pieces
Audited Supplier
Main Products
Safety Sight Glass, Level Gauge Glass, Optical Glass, Industrial Glass, High Pressure Glass Tube, Container Sight Glass, Sintered Sight Glass, Vacuum Sight Glass, Pipeline Sight Glass, Explosion Proof Lights
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Lumistar Special Glass Technology Co., Ltd.

Manufacturer/Factory

Jiangsu , China Since 2025
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Tempered Borosilicate Liquid Level Gauge Glass for Observing Liquid Levels in Boiler

Tempered Borosilicate Liquid Level Gauge Glass for Observing Liquid Levels in Boiler

US $ 0.5-10/ Piece FOB
MOQ: 100 Pieces
Certification : CE
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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Sight Glass Sanitary Sight Glass Industrial Sight Glass Tubular Sight Glass Full View Sight Glass
Boiler Glass/Safe Glass/Al-Si Glass/Sight Glass/Level Gauge Glass
Video

Boiler Glass/Safe Glass/Al-Si Glass/Sight Glass/Level Gauge Glass

US $ 1-5/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Glass Lens, Glass Disc, Quartz Glass Tube, Borosilicate Glass Sheet, Boiler Glass, Pyrex Glass Pipe, Borofloat Glass Disc, Laser Glass, Gauge Glass, Sight Glass
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Nanyang Kylin Special Glass Co., Ltd.

Manufacturer/Factory

Henan , China Since 2019
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High-Quality SS304/316L DN10-DN150 Sight Glass with PTFE Gasket
Video

High-Quality SS304/316L DN10-DN150 Sight Glass with PTFE Gasket

US $ 0.1-1/ Piece FOB
MOQ: 1 Piece
Certification : CE, FDA, ISO13485
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Xingsheng Mechanical Technology Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2019
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Durable Reflex Sight Glass for High Pressure Applications
Video

Durable Reflex Sight Glass for High Pressure Applications

US $ 10.55-15.07/ Piece FOB
MOQ: 10 Pieces
Audited Supplier
Main Products
Safety Sight Glass, Level Gauge Glass, Optical Glass, Industrial Glass, High Pressure Glass Tube, Container Sight Glass, Sintered Sight Glass, Vacuum Sight Glass, Pipeline Sight Glass, Explosion Proof Lights
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Lumistar Special Glass Technology Co., Ltd.

Manufacturer/Factory

Jiangsu , China Since 2025
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Glass Ceramic Fireplace Glass Window Wood Burning Stove Glass Window Ceramic Glass Panel

Glass Ceramic Fireplace Glass Window Wood Burning Stove Glass Window Ceramic Glass Panel

US $ 0.5-10/ Piece FOB
MOQ: 100 Pieces
Certification : CE
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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Customized DIN 7081 Boiler Flat Transparent Level Gauge Glass
Video

Customized DIN 7081 Boiler Flat Transparent Level Gauge Glass

US $ 13.96-23.28/ piece FOB
MOQ: 10 piece
Audited Supplier
Main Products
Safety Sight Glass, Level Gauge Glass, Optical Glass, Industrial Glass, High Pressure Glass Tube, Container Sight Glass, Sintered Sight Glass, Vacuum Sight Glass, Pipeline Sight Glass, Explosion Proof Lights
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Lumistar Special Glass Technology Co., Ltd.

Manufacturer/Factory

Jiangsu , China Since 2025
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Oil Sight Glass Oil Level Glass Window Oil Indicator Glass Window Oil Viewports

Oil Sight Glass Oil Level Glass Window Oil Indicator Glass Window Oil Viewports

US $ 1-15/ Piece FOB
MOQ: 100 Pieces
Certification : CE
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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Glass Ceramic Heat Resistant Black Ceramic Glass for Induction Cooker
Video

Glass Ceramic Heat Resistant Black Ceramic Glass for Induction Cooker

US $ 1-100/ Piece FOB
MOQ: 100 Pieces
Audited Supplier
Main Products
Glass Ceramic, Borosilicate 4.0 Fire Proof Glass Sheet, Borosilicate 3.3 Floated Glass Sheet, Processed Glass Plate, Oil Sight Glass, Borosilicate Level Gauge Glass, Quartz Glass Tube, Borosilicate 3.3 Glass Tube, Soda Lime Glass Tube, Explosion Proof Glass Dome
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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Thermal Tempered Toughened Round Borosilicate Soda Lime Sight Glass Disk

Thermal Tempered Toughened Round Borosilicate Soda Lime Sight Glass Disk

US $ 0.5-10/ Piece FOB
MOQ: 100 Pieces
Certification : CE
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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Stainless Steel Bellows Tube Tubular Flange Sight Glass for Tank Equipment
Video

Stainless Steel Bellows Tube Tubular Flange Sight Glass for Tank Equipment

US $ 5/ Piece FOB
MOQ: 10 Pieces
Audited Supplier
Main Products
Stainless Steel Flanges, Pipe Fittings, Stainless Steel Valves, Stainless Steel Fittings, Stainless Steel 90 Elbow, Bw Fittings, Stainless Steel Ball Valves, Forged Flange, Flange Ball Valve, Threaded Pipe Fittings
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Zhejiang Zhitong Pipe Valve Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang , China Since 2013
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Stainless Steel High Pressure Transparent Flat Flange Sight Glass for Tank
Video

Stainless Steel High Pressure Transparent Flat Flange Sight Glass for Tank

US $ 5/ Piece FOB
MOQ: 10 Pieces
Material : Stainless Steel
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Zhejiang Zhitong Pipe Valve Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang , China Since 2013
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Hygienic Sight Glass with Flange Connection
Video

Hygienic Sight Glass with Flange Connection

US $ 15-400/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Rotary Lobe Pump, Mixing Proof Valve, Divert Seat Valve, Butterfly Valve, Centrifugal Pump
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Donjoy Technology Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2005
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Premium Double Glass Sight Glass for Easy Installation Solutions
Video

Premium Double Glass Sight Glass for Easy Installation Solutions

US $ 95-700/ Piece FOB
MOQ: 1 Piece
Certification : CE
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Lumistar Special Glass Technology Co., Ltd.

Manufacturer/Factory

Jiangsu , China Since 2025
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Professional Manufacturer 4mm Fireproof Ceramic Glass for Fireplace and Fire Stove

Professional Manufacturer 4mm Fireproof Ceramic Glass for Fireplace and Fire Stove

US $ 0.5-10/ Piece FOB
MOQ: 100 Pieces
Audited Supplier
Main Products
Glass Ceramic, Borosilicate 4.0 Fire Proof Glass Sheet, Borosilicate 3.3 Floated Glass Sheet, Processed Glass Plate, Oil Sight Glass, Borosilicate Level Gauge Glass, Quartz Glass Tube, Borosilicate 3.3 Glass Tube, Soda Lime Glass Tube, Explosion Proof Glass Dome
Contact Supplier
Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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Long Strip Sight Window with Durable Elliptical Frame Design
Video

Long Strip Sight Window with Durable Elliptical Frame Design

US $ 23/ Piece FOB
MOQ: 1 Piece
Certification : CE, FDA, EEC, ISO13485
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Wenzhou Huayu Valve Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2025
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Sanitary Stainless Steel Union Type Sight Glass with Wiper
Video

Sanitary Stainless Steel Union Type Sight Glass with Wiper

US $ 3-6/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Butterfly Valve; Ball Valve; Check Valve; Sanitary Valve; Diaphragm Valve
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WENZHOU SANTHAI VALVE PIPE FITTING CO., LTD.

Manufacturer/Factory

Zhejiang , China Since 2016
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Virgin Material PVDF Sight Glass for Pure Water and Waste Water Systems
Video

Virgin Material PVDF Sight Glass for Pure Water and Waste Water Systems

US $ 20-200/ Piece FOB
MOQ: 1 Piece
Connection : Welding
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Luoyang Pioneer Anticorrosion Equipment Co., Ltd.

Manufacturer/Factory

Henan , China Since 2024
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Clear Flat Step Tempered Glass Borosilicate Liquid Level Gauge Glass Plate
Video

Clear Flat Step Tempered Glass Borosilicate Liquid Level Gauge Glass Plate

US $ 0.1-100/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Glass Lens, Glass Disc, Quartz Glass Tube, Borosilicate Glass Sheet, Boiler Glass, Pyrex Glass Pipe, Borofloat Glass Disc, Laser Glass, Gauge Glass, Sight Glass
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Nanyang Kylin Special Glass Co., Ltd.

Manufacturer/Factory

Henan , China Since 2019
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High-Quality Corrosion-Resistant Sanitary Sight Glass for Industrial Use
Video

High-Quality Corrosion-Resistant Sanitary Sight Glass for Industrial Use

US $ 1-30/ Piece FOB
MOQ: 1 Piece
Material : Stainless Steel
Audited Supplier
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Wenzhou Safety Stainless Steel Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang , China Since 2025
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Stainless Steel 304 316L Sanitary Flange Boosilicate Sight Glass with Light for Tank
Video

Stainless Steel 304 316L Sanitary Flange Boosilicate Sight Glass with Light for Tank

US $ 20-65/ Piece FOB
MOQ: 2 Pieces
Audited Supplier
Main Products
Sanitary Valves, Diaphragm Valve, 3PC Ball Valve, Sanitary Butterfly Valve, Angle Seat Valve, Sampling Valve, Pipe Fittings, CIP Cleaning Ball, Stainless Steel Manhole Cover, Sight Glass
Contact Supplier
Zhejiang Sanying Fluid Equipment Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2022
Chat Now Send Inquiry
SS304 SS316L Stainless Steel Straight Sight Glass
Video

SS304 SS316L Stainless Steel Straight Sight Glass

US $ 9.6-10/ Piece FOB
MOQ: 1 Piece
Shape : Equal
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WENZHOU LONGVA MACHINE CO.,LTD

Zhejiang , China Since 2011
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Sanitary Stainless Steel SMS Butt Weld Sight Glass
Video

Sanitary Stainless Steel SMS Butt Weld Sight Glass

US $ 2.8-9.9/ Piece FOB
MOQ: 10 Pieces
Audited Supplier
Main Products
Sanitary Stainless Steel Valve
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Milee Clean Valve Technology (Zhejiang) Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang , China Since 2024
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Stainless Steel Flange Type Sight Glass with Light

Stainless Steel Flange Type Sight Glass with Light

US $ 20/ Piece FOB
MOQ: 1 Piece
Shape : Equal
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QILI HOLDING GROUP CO., LTD.

Manufacturer/Factory

Zhejiang , China Since 2015
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Infrared Laser Protection Glass for Cutting Machine

Infrared Laser Protection Glass for Cutting Machine

US $ 1-100/ Piece FOB
MOQ: 1,000 Pieces
Audited Supplier
Main Products
Borosilicate Glass Tube Tubing Rod, Glass Ceramic Pyroceram Ceran Neoceram, Lamp Lantern Lighting Glass Chimney Cover Shade, Neutral Pharmaceutical Glass Vial & Ampoule, Borofloat Borosilicate Glass Sheet Corning Pyrex, Heat Resistant Glass Baking Dish Casserole Bowl, Glass Cosmetic Container Perfume Glass, Glass Tableware Kitchenware Tabletop, Soda Lime Glass Tube Tubing Rod, Lead Free Glass Tube Tubing
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Jinan Honhai Glass Company Limited

Manufacturer/Factory,Group Corporation

Shandong , China Since 2012
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Wenzhou Kasin Sanitary Stainless Steel Sight Glass
Video

Wenzhou Kasin Sanitary Stainless Steel Sight Glass

US $ 1/ Piece FOB
MOQ: 10 Pieces
Material : Stainless Steel
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Wenzhou Kasin Valve Pipe Fitting Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang , China Since 2015
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Sanitary Sight Glass Tank Tri Clamp Sight Glass
Video

Sanitary Sight Glass Tank Tri Clamp Sight Glass

US $ 0.1-1/ Piece FOB
MOQ: 100 Pieces
Audited Supplier
Main Products
Flange
Contact Supplier
Wenzhou Long'an Flange Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2025
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High Light Transmittance Liquid Level Gauge Glass
Video

High Light Transmittance Liquid Level Gauge Glass

US $ 1/ Piece FOB
MOQ: 100 Pieces
Certification : ISO13485
Audited Supplier
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Jinan Everest Glass Company Limited.

Trading Company

Shandong , China Since 2026
Chat Now Send Inquiry
Sight Glass Union Type Sight Glass Straight Sight Glass Tank Sight Glass Sanitary Sight Glass Level Gauge Glass
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About Sight Glass FAQ

  • QWhy are sight glasses important in construction applications?

    Sight glasses allow real-time monitoring of fluid levels within industrial systems, essential for preventing costly construction mistakes. Their durable build reduces need for frequent replacements, offering top reliability and OEM options. Contact us for competitive prices and distributor insights.

  • QHow to choose the best sight glass for decoration projects?

    Consider factors like material strength and design compatibility for decorative purposes. Opt for glass types with trends matching surrounding aesthetics. Our distributor network offers cheap yet premium options, ready for factory direct shipping. Request a price list to explore styles.

  • QCan sight glasses be customized for specific installation needs?

    Yes, many sight glasses are versatile for Custom fitting in construction environments. Whether for machinery or aesthetic decoration, these adaptable parts suit both OEM specifications and standard setups. Learn from our detailed guide by contacting us now; ask for a wholesale quote!

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