Weldable Sight Glass with Neck ZW15

Weldable sight glasses for tanks are devices installed in tanks and pressure vessels to allow the visualization of the contents and the processes occurring inside the tank. The oval shape of the sight glass provides a wide viewing area, making it easier for operators to inspect the contents and internal processes of the tank.

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Weldable sight glasses for tanks are devices installed in tanks and pressure vessels to allow the visualization of the contents and the processes occurring inside the tank. The oval shape of the sight glass provides a wide viewing area, making it easier for operators to inspect the contents and internal processes of the tank.

Weld Neck Sight Glasses – Applications

These sight glasses are particularly useful in food and beverage processing, as well as in the pharmaceutical, chemical, and other industries where direct observation of the tank’s contents is crucial for controlling and monitoring the process.

Weldable Flanged Sight Glasses - Tank Manholes
ItemPart nameMaterial options
1BoltsStainless Steel 316L
Stainless Steel 304
2Cover FlangeStainless Steel 316L
Stainless Steel 304
Carbon Steel w/ anti-corrosion coating
3Gaskets *(max temp)Non Asbestos (200°C)
Exp Graphite (450°C)
Graph/Kevlar (450°C)
FKM (260°C)
PTFE (260°C)
EPDM (140°C)
4Sight Glass (max temp)DIN7080 Tempered Borosilicate (280°C)
DIN8902 Tempered Soda Lime (150°C)
Quartz, Min. 95% Fused Silica (1450°C)
5Weld PadStainless Steel 316L
Stainless Steel 304
Carbon Steel w/ anti-corrosion coating

Installation

The numbers in the following installation instructions refer to the drawing above. After properly welding the base flange (5) to the vessel wall, assemble the gasket (3), sight glass (4), gasket (3), and cover flange (2) in that order.

Tighten the bolts (1) according to the torque values indicated in the technical data table (always tighten the bolts in pairs of diametrically opposite bolts).

Weldable Sight Glass with Neck - Process Viewing Sight Glass

Weld Neck Sight Glasses – Technical Information
IDA (Visible Diam)B (Total Diam)C (Total thickness)
3”3” (76.20 mm)5” (127.00 mm)3.5” (88.90 mm)
4”4” (101.6 mm)6” (152.40 mm)3.5” (88.90 mm)
5”5” (127.00 mm)7.5” (190.50 mm)4” (101.60 mm)
6”6” (152.40 mm)9” (228.60 mm)4.5” (114.30 mm)
7”7” (177.80 mm)10” (254.00 mm)5” (127.00 mm)
8”8” (203.20 mm)11” (279.40 mm)5” (127.00 mm)
9”9” (228.60 mm)12” (304.80 mm)6” (152.40 mm)

Iniflu’s Level Sight Glasses are designed to provide precise and secure monitoring of liquid levels in tanks and industrial systems. Made with high-quality materials, our sight glasses ensure long-lasting durability and resistance to extreme conditions. Discover our range of level sight glasses.

At Iniflu, we value open and effective communication. If you have any questions or need additional information about our products and services, feel free to contact us. We are here to assist you and address your needs.

Benefits

Improved Quality Control: They allow direct visual inspection, which can prevent quality issues before they escalate.

Operational Safety: By enabling observation without the need to open the tank, the risk of exposure to hazardous substances is minimized.

Ease of Maintenance: The weldability and robust design simplify installation and maintenance.

Optimized Cleaning Processes: Direct inspection of cleaning levels helps identify areas that need attention, improving the efficiency of cleaning procedures.

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