Stainless Steel Pipe Sight Glass 64mm OD | SUS 304 & Boro Glass

$111.54 $139.13

Stainless Steel Straight-Through Pipe Sight Glass – 64mm OD

Monitor fluid flow in your household or light industrial pipework with confidence. This straight-through pipe sight glass features a robust SUS 304 stainless steel body paired with a clear borosilicate (boro) glass window, giving you a reliable, corrosion-resistant view of what's moving through your lines — without interrupting flow.

Built for lasting performance, the sight glass uses ultrasonic welding and precision casting techniques to ensure a secure, leak-resistant seal. Its compact yet substantial design fits standard household pipework with a 40mm inner diameter hose connection, making installation straightforward and hassle-free.

Made in Mainland China.

Key Features

Material: SUS 304 stainless steel body with borosilicate glass window
Outside Diameter: 64mm (6.4cm)
Hose Inner Diameter: 40mm
Overall Size: 6.4 × 14.6 cm
Weight: Approx. 1,250g (solid, durable build)
Connection Type: Ultrasonic welding for a secure, tight fit
Manufacture Method: Precision casting for consistent quality
Package Includes: 1 × Pipe Sight Glass

Why Choose This Sight Glass?

✅ Corrosion-resistant SUS 304 steel stands up to moisture, cleaning agents, and everyday pipework environments
✅ Clear borosilicate glass window provides a durable, distortion-free view of flow inside the pipe
✅ Straight-through design maintains consistent flow without restriction
✅ Solid construction at ~1,250g ensures vibration stability in active pipework systems
✅ Versatile use — ideal for household plumbing, brewing setups, water treatment systems, and more

Ideal For

Home plumbing inspection points, water filtration systems, home brewing and fermentation setups, irrigation lines, and any application where visual flow confirmation is needed in a 40mm inner diameter pipe system.

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Frequently Asked Questions

Q: What is the outside diameter and inner hose diameter of this pipe sight glass?

A: This stainless steel pipe sight glass has an outside diameter of 64mm and is designed for use with hoses or pipes with a 40mm inner diameter. The overall unit dimensions are 6.4 × 14.6 cm.

Q: What materials are used in this sight glass?

A: The body is made from SUS 304 stainless steel, which offers excellent corrosion resistance. The viewing window is made from borosilicate (boro) glass, known for its strength, thermal resistance, and optical clarity.

Q: Is this sight glass suitable for home brewing or water filtration systems?

A: Yes! The straight-through design, stainless steel construction, and clear borosilicate glass window make it well-suited for home brewing, fermentation monitoring, water filtration lines, and standard household pipework where visual flow confirmation is needed.