High-Temperature Stainless Steel Flange Sight Glass for Tanks Type 317

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: Circular Sight Glass Fittings Type 317
• Certification: CE
• Shape: Equal
• Head Code: Round
• Connection: Flange
• Material: Stainless Steel
• Customized Support: OEM, ODM
• Product Name: Flange Sight Glass
• Transport Package: Wooden Box
• Specification: DN50-DN400
• Trademark: LUMIGLAS
• Origin: China
• HS Code: 8481804090
• Package Size: 60.00cm * 60.00cm * 30.00cm
• Package Gross Weight: 10.000kg

Product Description

PRODUCT DETAILS

For pressurless application up to max. 0,49 barg

Our Type 317 round tank sight glasses (PN 0) are specifically engineered for direct welding onto or into the vessel wall, 

providing a clear view or lighting access to the interior of tanks and process vessels.

Developed in accordance with DIN 28120, the LUMISTAR Type 317 sight glass is a lightweight design optimized for 

non-pressurized applications. The viewing window features a chemically resistant   borosilicate glass pane 

(  DIN 7080 or equivalent), securely clamped between two premium-grade stainless steel flanges with high-integrity sealing

 gaskets to ensure reliable and long-lasting performance.

Technical details
Flange material: Base flange: 1.4571 (factory standard) Cover flange: 1.4571 (factory standard) Other materials on request	Shape: similar toDIN 28120but for pressureless application	Temperature: up to280°Cwith borosilicate glass according or similar to DIN 7080 up to150 °Cwith soda-lime glass according or similar to DIN 8902 up to400 °Cwith untempered borosilcate glass
Sight glass: Boroslicate glassDIN 7080or similar Soda-lime glassDIN 8902or similar Borosilcate glass untempered	Nominal size: DN 50 up to DN 400	Options: WiperWiper SGWwith PTFE or silicone wiper blade LED lights for EX- and Non-EX-areas Mica protection(up to 320 °C with borosilicate glass DIN 7080) special desgins are possible
Gaskets: KlingerSil® C4400 PTFE, FKM, NBR, Silikon, EPDM Graphit or according to customer requirements	Nominal pressure: PN 0 - pressureless
Screws: A4-70
Optional materials: 1.0460 / 1.4301 / 1.4307 (F304L) / 1.4404 (F316L) / 1.4410 (Super Duplex) / 1.4435 (F316L) / 1.4462 (F 51) / 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.