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DIN 3A SMS Food Grade Sanitary Stainless Steel Circular Union Sanitary Sight Glass for Tank
Video

DIN 3A SMS Food Grade Sanitary Stainless Steel Circular Union Sanitary Sight Glass for Tank

US $ 8-35/ pieces FOB
MOQ: 1 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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Stainless Steel SS304 SS316L Circular Round Union Tank Sight Glass with Wireless Lamp Lighting
Video

Stainless Steel SS304 SS316L Circular Round Union Tank Sight Glass with Wireless Lamp Lighting

US $ 25-45/ pieces FOB
MOQ: 1 pieces
Shape : Equal
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Zhejiang Sanying Fluid Equipment Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2022
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Professional Customized Sapphire Glass Tube for Optical Components
Video

Professional Customized Sapphire Glass Tube for Optical Components

US $ 10-2,000/ piece FOB
MOQ: 10 piece
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Main Products
Safety Sight Glass, Level Gauge Glass, Optical Glass, Bulletproof 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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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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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
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Main Products
Pyrex Borosilicate 3.3 Glass Tube, Lead Glass Tube, Lead Free Glass Tube, Soda Lime Glass Tube, Borosilicate Level Gauge Glass, Borosilicate Glass Storage Jar, Latex Balloon Glass Mould, Neutral Pharmaceutical Coe 7.0 Glass Tube, Neutral Pharmaceutical Coe 5.0 Glass Tube, Pyrex Borosilicate Floated Glass Sheet
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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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
Certification : CE, ISO13485
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Nanyang Kylin Special Glass Co., Ltd.

Manufacturer/Factory

Henan , China Since 2019
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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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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
Head Code : Square
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WENZHOU SANTHAI VALVE PIPE FITTING CO., LTD.

Manufacturer/Factory

Zhejiang , China Since 2016
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High Pressure Resistant Aluminosilicate Reflex and Transparent Level Gauge Glass Sight Glass
Video

High Pressure Resistant Aluminosilicate Reflex and Transparent Level Gauge Glass Sight Glass

US $ 10.55-15.07/ piece FOB
MOQ: 10 Pieces
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Main Products
Safety Sight Glass, Level Gauge Glass, Optical Glass, Bulletproof 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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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
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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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Sight Glass Sanitary Sight Glass Industrial Sight Glass Tubular Sight Glass Full View Sight Glass
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, Bulletproof 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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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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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, Bulletproof 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 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
Certification : CE
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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China Wholesale Explosion Proof Corrosion Resistant DIN7080 Tempered Borosilicate Sight Glass
Video

China Wholesale Explosion Proof Corrosion Resistant DIN7080 Tempered Borosilicate Sight Glass

US $ 15-80/ piece FOB
MOQ: 10 piece
Audited Supplier
Main Products
Safety Sight Glass, Level Gauge Glass, Optical Glass, Bulletproof 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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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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Customized Prefabricated Hardened Environmental Protection Long Elliptical Sight Glass
Video

Customized Prefabricated Hardened Environmental Protection Long Elliptical Sight Glass

US $ 27.39-700/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Safety Sight Glass, Level Gauge Glass, Optical Glass, Bulletproof 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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Santahi Tubular Furnace Sight View with Transparent Glass

Santahi Tubular Furnace Sight View with Transparent Glass

US $ 31.51-35/ Piece FOB
MOQ: 1 Piece
Material : Stainless Steel
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WENZHOU SANTHAI VALVE PIPE FITTING CO., LTD.

Manufacturer/Factory

Zhejiang , China Since 2016
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[Ruoteng] Stainless Steel Union Type Round Sight Glass for Food Grade Industrial
Video

[Ruoteng] Stainless Steel Union Type Round Sight Glass for Food Grade Industrial

US $ 1/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Stainless Steel Pipe Fittings, Stainless Steel Joints, Stainless Steel Elbow, Elbow, Valve, Joint
Contact Supplier
Zhejiang Ruoteng Valve Co., Ltd

Manufacturer/Factory

Zhejiang , China Since 2024
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Attractive Price Durable Corrosion Resistant Double Glass Sight Glass
Video

Attractive Price Durable Corrosion Resistant Double Glass Sight Glass

US $ 95-700/ Piece FOB
MOQ: 1 Piece
Material : Stainless Steel
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Lumistar Special Glass Technology Co., Ltd.

Manufacturer/Factory

Jiangsu , China Since 2025
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Tempered Borosilicate Steam Boiler Sight Glass

Tempered Borosilicate Steam Boiler Sight Glass

US $ 0.5-10/ Piece FOB
MOQ: 100 Pieces
Audited Supplier
Main Products
Pyrex Borosilicate 3.3 Glass Tube, Lead Glass Tube, Lead Free Glass Tube, Soda Lime Glass Tube, Borosilicate Level Gauge Glass, Borosilicate Glass Storage Jar, Latex Balloon Glass Mould, Neutral Pharmaceutical Coe 7.0 Glass Tube, Neutral Pharmaceutical Coe 5.0 Glass Tube, Pyrex Borosilicate Floated Glass Sheet
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Jinan JSV Industrial Co., Ltd.

Manufacturer/Factory

Shandong , China Since 2024
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Four-Way Sight Glass Stainless Steel Hygienic Weld Tubular Sight Glass
Video

Four-Way Sight Glass Stainless Steel Hygienic Weld Tubular Sight Glass

US $ 0.1-1/ Piece FOB
MOQ: 100 Pieces
Certification : CE, FDA, EEC
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Wenzhou Long'an Flange Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2025
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Stainless Steel 1/2''-4'' Sight Glass with Light Wiper High Quality
Video

Stainless Steel 1/2''-4'' Sight Glass with Light Wiper High Quality

US $ 7-10/ 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
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Flange Sight Glass with Light
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Flange Sight Glass with Light

US $ 15-400/ Piece FOB
MOQ: 1 Piece
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Donjoy Technology Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2005
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SS304/316 High Quality Sight Glass for Industry Use
Video

SS304/316 High Quality Sight Glass for Industry Use

US $ 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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SS304 SS316L Stainless Steel Straight Sight Glass Pipe Sight Glass Pipe Viewer Sanitary Sight Glass Pipe Inline with Protective Cover

SS304 SS316L Stainless Steel Straight Sight Glass Pipe Sight Glass Pipe Viewer Sanitary Sight Glass Pipe Inline with Protective Cover

MOQ: 10 Pieces
Certification : CE, FDA, EEC, ISO13485
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Milee Clean Valve Technology (Zhejiang) Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang , China Since 2024
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Food Grade Sanitary Stainless Steel SS304 SS316L Tube Welded Corss Sight Glass
Video

Food Grade Sanitary Stainless Steel SS304 SS316L Tube Welded Corss Sight Glass

US $ 40-55/ Piece FOB
MOQ: 5 Pieces
Audited Supplier
Main Products
Sanitary Valves, Sanitary Pipe Fittings, Sanitary Manhole Cover, Sanitary Centrifugal Pump, Sanitary Lobe Pump, Sanitary Spray Balls, Sanitary Unions, Sanitary Pressure Relief Valve, Sanitary Divert Seat Valve, Sanitary Sight Glass
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Quzhou KingGo Machinery Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2021
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Ss Food Grade with Protection Net/Tank Level Straight Sight Glass

Ss Food Grade with Protection Net/Tank Level Straight Sight Glass

US $ 8-15/ Piece FOB
MOQ: 1 Piece
Material : Stainless Steel
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QILI HOLDING GROUP CO., LTD.

Manufacturer/Factory

Zhejiang , China Since 2015
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Stainless Steel High Pressure Double Window Cross Type Flange Sight Glass
Video

Stainless Steel High Pressure Double Window Cross Type Flange Sight Glass

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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Sight Glass with Scraper Sanitary Stainless Steel Round Flange Sight Glass with Wiper
Video

Sight Glass with Scraper Sanitary Stainless Steel Round Flange Sight Glass with Wiper

US $ 98.6-100/ Piece FOB
MOQ: 1 Piece
Shape : Equal
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Wenzhou Longva Light Industrial Machinery Co., Ltd.

Zhejiang , China Since 2011
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Sanitary Stainless Steel Tri Clamp Connector with Threaded Sight Glass
Video

Sanitary Stainless Steel Tri Clamp Connector with Threaded Sight Glass

US $ 25/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Ball Valves, Butterfly Valves, Check Valves, Diaphragm Valvesdirectional Valves, Stainless Steel Fittings, Steel Pipes, Flanges, Food Packaging Accessories
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Wenzhou Huayu Valve Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2025
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Sanitary Stainless Steel Hex Flange Sight Glass
Video

Sanitary Stainless Steel Hex Flange Sight Glass

US $ 1-30/ Piece FOB
MOQ: 1 Piece
Shape : Equal
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Wenzhou Safety Stainless Steel Co., Ltd.

Manufacturer/Factory,Trading Company

Zhejiang , China Since 2025
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Hastelloy Steam Flat Type Welding Beer Circular 24V DC Sight Glass Light
Video

Hastelloy Steam Flat Type Welding Beer Circular 24V DC Sight Glass Light

US $ 40/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Butterfly Valve, Diaphragm Valve, Check Valve, Pipe Fitting, Sample Valve, Union, Cpm Valve, Centrifugal Pump, Manhole Cover, Safety Valve
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Wenzhou Joneng Valves Co., Limited

Manufacturer/Factory

Zhejiang , China Since 2014
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Hot Sale Food Grade Stainless Steel 304 316 Sanitary Flange Sight Glass

Hot Sale Food Grade Stainless Steel 304 316 Sanitary Flange Sight Glass

US $ 3-50/ Piece FOB
MOQ: 1 Piece
Shape : Equal
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Changsha OROSION Metal Technology Ltd Company

Manufacturer/Factory

Zhejiang , China Since 2019
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Stainless Steel Straight Jacketed Sight Glass for Pipe and Tank
Video

Stainless Steel Straight Jacketed Sight Glass for Pipe and Tank

US $ 58.06-105.83/ Piece FOB
MOQ: 1 Piece
Audited Supplier
Main Products
Seamless Steel Pipe, Pipe-Fittings, Flange, Valve, Elbow, Tee, Cross, Weldolet, Reducer, Bend
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Cangzhou Yulong Steel Co., Ltd.

Manufacturer/Factory

Hebei , China Since 2025
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Customized Sanitary DN80/DN100/DN125/DN150 Light Indicator Light Sight Glass

Customized Sanitary DN80/DN100/DN125/DN150 Light Indicator Light Sight Glass

US $ 9.9/ Piece FOB
MOQ: 1 Piece
Head Code : Square
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Zhejiang Jiurong Fluid Equipment Technology Co., Ltd.

Manufacturer/Factory

Zhejiang , China Since 2024
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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

  • QWhat material options are available for sight glass in the construction & decoration industry?

    Common material choices for sight glass in construction & decoration include borosilicate glass, soda-lime glass, and quartz. Each material has its own strengths and applications, catering to different project needs.

  • QWhere can I find trustworthy suppliers of sight glass in China?

    Trustworthy suppliers in China can be found through online platforms, industry exhibitions, and supplier directories. It is important to conduct thorough research, verify supplier credentials, and request product samples to ensure quality and reliability.

  • QWhat advantages are there to buying sight glass wholesale for construction & decoration projects?

    Purchasing sight glass wholesale offers benefits such as cost savings, bulk ordering options, and customized solutions. Wholesale purchases also provide access to a wide range of styles and sizes, ensuring you have the flexibility to meet your project requirements.

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