HSG001 sight glass

purple HSG01

The HSG01 range of sight glasses are designed to fit directly onto ASME BPE clamp fittings using a conventional seal and clamp. The unique fused glass and stainless steel construction provides a strong and resilient solution for sight glass applications in a wide range of services. Where illumination is required, a version is available with a back light.

Size range 1-1/2″ – 4″ ASME BPE compliant clamp connections
Material 316L stainless steel
Pressure rating 1-1/2″, 2″ & 2-1/2″ – 16 barg
3″ & 4″ – 10 barg
Options Disc design with borosilicate or soda lime window
C22 alloy glass surround
The HSG01 can be used on Staitech’s range of Tank Weld Flanges
Back lit version available for use on vessels and crosses
Literature
HSG02 sight glass

purple HSG02

Designed for application where through vision is required, HSG02 sight glasses comprise of 316L stainless steel body with toughened borosilicate glass lens and a range of FDA and USP Class VI compliant seals. All units have clamp ends, are rated to 10 barg with wetted surfaces finished to 0.5 microns Ra.

Size range 1/2″ – 4″ ASME BPE compliant clamp connections
Material 316L stainless steel
Pressure rating 10 barg
Options DN8 – DN50 DIN & ISO clamp connections
Back light illumination
Polycarbonate knock shield
Low ferrite stainless steel and other alloys
Several seal options available
Enhanced surface finish and electropolishing
Literature
HSG03 sight glass

purple HSG03

Similar in design to the HSG02, the HSG03 is also intended for applications where through vision is required. Being of bolted construction the HSG03 can be used in applications where twisting within the piping system may be possible. The HSG03 range of sight glasses are available with both clamp and weld end connections.

Size range 1/2″ – 4″ ASME BPE compliant clamp & weld connections
DN8 – DN50 DIN, ISO clamp & weld connections
Material 316L stainless steel
Pressure rating 10 barg
Options Back light illumination
Polycarbonate knock shield
Low ferrite stainless steel and other alloys
Several seal options available
Enhanced surface finish and electropolishing
Literature
HSG04 sight glass

purple HSG04

The HSG04 has an unobstructed viewing aperture allowing through vision from any angle. Wetted parts are 316L stainless steel with toughened borosilicate glass viewing lens and a range of FDA and USP Class VI compliant seals. Alternative lengths are also available with this design.

Size range 1/2″ – 4″ ASME BPE compliant clamp & weld connections
DN8 – DN50 DIN, ISO clamp & weld connections
Material 316L stainless steel
Pressure rating 10 barg
Options Polycarbonate knock shield
Low ferrite stainless steel and other alloys
Threaded connections
Several seal options available
Enhanced surface finish and electropolishing
Literature
HSG05 sight glass

purple HSG05

The HSG05 is a tubular design allowing through vision from any angle and is available with either DIN or ASNI flanged connections.

Size range 1/2″ – 4″ DIN & ANSI flanged connections
Material 316L stainless steel
Pressure rating 10 barg
Options Polycarbonate knock shield
Other materials available
Several seal options available
Alternative lengths
Literature
Flanged sight glass

purple Single & double window sight glasses

A range of single and double window sight glasses for general purpose applications. Available in a wide range of sizes and pressure ratings, with DIN and ANSI flanged connections.

Size range 1/2″ – 8″ DIN & ANSI flanged connections
1/2″ – 2″ screwed connections
Material 316L stainless steel
Pressure rating Up to 40 barg
Options Borosilicate and Sodalime glass
PTFE seals
Flow indicator (spinner)
Literature
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