AZ sight glasses are used for visual inspection of the flow in the system.
SIGHT GLASSES, TYPE OCULAR:
This type of sight glass is full bore and has a nozzle entry for turbulences.
The inspection glass for this type is made of borosilicate. Standard the bodies for this type of sight glasses are made of carbon steel A216-WCB/1.0619 (GS-C25) or stainless steel A351-CF8M/1.4408.
Model “Ocular” can also be supplied in a lined version. The sight glass body for the lined version is standard made of ASTM A395 material (GGG40.3). The AZ lined valves have a minimum lining thickness of 3mm, even on sharp edges. Lining material can be PFA; FEP; PVDF, anti-static PFA. AZ valves only uses virgin resin granulate for sight glasses, not regenerated or similar materials.
SIGHT GLASSES, TYPE ZIRKULAR:
This type of sight glass is smooth full bore with DURAN tubular sight glass.
Standard the body is made of stainless steel A351-CF8M/1.4408.
It can also be supplied in lined version (lining FEP/PFA, PVDF, anti-static PFA, thickness minimal 3mm). AZ valves only uses virgin resin granulate for sight glasses, not regenerated or similar materials. The body of the lined sight glasses is made of ASTM A395 material (GGG40.3).
We also have a combination of a lined ball check valves and our sight glass type Zirkular, for further information see the section “Check valves” on our site.
If you have any questions, or require any further information regarding our sight glasses please contact one of our Technical Sales Managers. Fill-in our application form, or call direct at +31 (0) 252-674878.
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