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China, Chinese Premium Stainless Steel Flange Sight Glass for Tank Monitoring/Circular Sight Glass Fittings Type 390V1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Pipe FittingsSight GlassFlange Sight GlassStainless Steel Sight Glass
Lumistar Special Glass Technology Co., Ltd.
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Product DescriptionPRODUCT DETAILSOur LUMISTAR Type 390V vacuum tank sight glass fittings are engineered for direct welding onto vessel walls or pipelines, providing reliable visual access and illumination of internal process media under vacuum conditions. Featuring DIN EN 1092-1 Type 11 welding ends, these fittings integrate seamlessly with standard piping systems.Constructed from premium 1.4571 (316Ti) stainless steel, each unit holds an industry-proven borosilicate glass 3.3 pane (DIN 7080 or equivalent) securely between two precision-machined flanges. The media side is sealed with high-integrity ring gaskets available in materials optimized for vacuum service, including PTFE, NBR, EPDM, FKM, silicone, and other branded compounds to suit special applications.Technical detailsFlange material:Version:Temperature:Baseflange:1.4571 (factory standard)Cover flange:1.4571 (factory standard)Other materials on requestVaccumdesignwith weldingendsaccordingto DIN EN 1092-1 type 11up to220Cwithborosilicateglassaccording or similar toDIN 7080sight glass:Nominal size:Options:BorosilicateglassDIN 7080orsimilarDN 15 up to DN 350Wiper SGW with PTFE or silicone wiperbladeLED lights for EX-and Non-EX-areasForvacuumapplications2(Type 390V)withthreadconnection(Type 392)withpipeconnection(Type 391)Mica protectionspecial desgins arepossibledepending onenvironmental variablesGaskets:Nominal pressure:PTFE,FKM,NBR,Silicone,EPDM·-0,9bargup to16barg2or according to customerrequirementsScrews:A4-70 /A2-70Optionalmaterials:1.0460/1.4301/1.4307(F304L)/1.4404(F316L)/1.4410(super Duplex)/1.4435(F316L)/1.4462(F51)/1.4529(Alloy 926)/1.4539(Alloy 904L)/1.4541(F321)/1.4547(F44)/1.4550(F347)/1.4571(316Ti)/1.4828/1.4841/1.4876(Alloy 800H)/1.4878/1.7335/2.4068(Alloy 201)/2.4360(Alloy 400)/2.4375(Alloy K500)/2.4602(ALloy C-22)/2.4605(Alloy 59)/2.4610(Alloy C-4)/2.4816(Alloy 600)/2.4819(Alloy C-276)/2.4856(Alloy 625)/2.4858(Alloy 825)/3.7035(Titan)Screws:limited by gasketA4-70depending on environmental variablesOptionalmaterials:1.0460/1.4301/1.4307(F304L)/1.4404(F316L)/1.4410(super Duplex)/1.4435(F316L)/1.4462(F51)/1.4529(Alloy 926)/1.4539(Alloy 904L)/1.4541(F321)/1.4547(F44)/1.4550(F347)/1.4571(316Ti)/1.4828/1.4841/1.4876(Alloy 800H)/1.4878/1.7335/2.4068(Alloy 201)/2.4360(Alloy 400)/2.4375(ALloy K500)/2.4602(Alloy C-22)/2.4605(Alloy 59)/2.4610(Alloy C-4)/2.4816(Alloy 600)/2.4819(Alloy C-276)/2.4856(Alloy 625)/2.4858(Alloy 825)/3.7035(Titan)Lumistar Special Glass Technology Co., Ltd. is a professional enterprise that produces safety glass windows and water level gauge glass windows. Our products include DIN7080 safety glass sight glass,DIN7081 water level gauge glass, JIS B8286 pressure vessel sight glass, high-pressure resistant aluminum silicate glass, alkali resistant glass sight glass, alkali resistant water level gauge glass sight glass, sapphire glass sight glass, optical quartz glass, bullet proof glass, and explosion proof glass. We focus on the application of high-tech glass industry and can provide customers with pressure vessel sight glasses, pipeline sight glasses, and various matching explosion-proof spotlights that comply with DIN28120,DIN28121, ASME B16.5,JIS B standards.Our company has successively won honors such as National High tech Enterprise.Jiangsu Private Science and Technology Enterprise, and Jiangsu Innovative Small and Medium sized Enterprise. It has strong capabilities in the development and innovation of new product technologies. Lumistar's sight glass products are renowned in the industry for their quality and safety performance. Sharp eyed equipment manufacturing companies around the world have recognized one thing: Lumistar's sight glass from Nanjing, China are 100% risk-free ! The various types of glass we produce can withstand the harshest working conditions, whether it is high-temperature and high-pressure steam boilers or various strong acid and alkali chemical environments. Lumistar's glass can easily withstand high temperatures, pressures, and corrosion!Q1: Do you have a factory?A1: Yes, we have a factory in Jiangsu. Welcome to visit our company and factory. Weare a professional manufacturer and provide OEM/ODM services to customers.Q2: Could I get some samples, and how?A2: No problem, we provide free samples, and it is only needed for you to pay for theshipping charge.Q3: Can the company customize the specifications we want?A3: Our company can customize various safety glass sight glasses with high temperature resistance, high pressure resistance, chemical resistance, and excellentthermal shock resistance according to customer needs, and issue EN10204-3.1 or3.2 factory quality certificates, or according to customer needs Invite certificationagencies such as TUV to come and witness the test.Our company can also provideOEM and ODM brands for users, making it convenient for agents from various coun-tries to set up their own glass brands.Q4: Can you give me some discount?A4: Usually the discount depends on the quantity. However we can discuss it.Q5: How do you deliver the qoods?A5: We can choose suitable sea freight, air freight, and international express deliveryaccording to the customer's needs, andselect the most economical and fastest logis-tics delivery method based on the actual situation of the goods.
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