Square Window

Squire window sight glasses are suitable for high pressure lines. Available materials are carbon steel, stainless steel any other unique materials.
For low temperature use, nonfreezing type sight glasses are available.

MATERIAL
Available Materials. We can manufacture in a wide variety of special materials. If you need sight glasses in other unique materials, please contact us.
End Connection | Design | Material |
---|---|---|
Flanged | Welded | Carbon Steel (SGP, STPG370, etc) Stainless Steel (304, 304L, 316, 316L) Lining (Glass, Rubber, Teflon Coating) Special Metals (LF-2, Titanium, Hastelloy, etc) |
Machined | Forged (S25C, A105, SF440A, SUS) Special Metals (Titanium, Hastelloy, etc) | |
Screwed | Welded | Carbon Steel (SGP, STPG370, etc) Stainless Steel (304, 304L, 316, 316L) Lining (Glass, Rubber, Teflon Coating) Special Metals (LF-2, Titanium, Hastelloy, etc) |
Machined | Forged (S25C, A105, SF440A, SUS) Special Metals (Titanium, Hastelloy, etc) | |
Socket Weld | Welded | Carbon Steel (SGP, STPG370, etc) Stainless Steel (304, 304L, 316, 316L) Lining (Glass, Rubber, Teflon Coating) Special Metals (LF-2, Titanium, Hastelloy, etc) |
Machined | Forged (S25C, A105, SF440A, SUS) Special Metals (Titanium, Hastelloy, etc) |
Swipe to see the table
WHERE TO PLACE
We have delivered sight glasses to various plants all over the world. And, thanks to our clients, our sight glasses are highly appreciated not only in Japan but also all over the world.
Our products are custom-made. With fifty year experiences, we are flexible with the demands of custom tailoring and have a capability to meet any requirements.
As a pioneer of sight glass manufacturer, we keep on developing new products and provide our clients with high-quality products.
FAQ
Q1. What kind of glasses is available?
Answer.
- Tempered Glass: Max. Temperature 80°C
- Pyrex Tempered Glass: Max. Temperature 260°C
- Silica Glass: Max. Temperature 1000°C
Tempered Glass and Pyrex Tempered Glass are mainly applied to sight glasses.
However, all of these glasses are inapplicable for alkali fluids. For alkali fluids, Teflon lined glasses or MICA are applied.
CONTACT DAIDO
Please click Contact page
Tel : +81-3-3252-0411
CATALOG DOWNLOAD
Please click Catalog page