ISO Units for Honeywell S55XBE Range

The viewing head lens will withstand 5 psi. if the lens assembly is exposed to greater than 5psi through the sight pipe or process connection, then an isolation unit must be used. Honeywell isolation units with purge air entrance are available as accessories: ISO-UNIT, ISO-UNITSS & ISO-UNITHPGT. Each has a quartz window, two 1-in. NPTF connections and a 1/2-in. NPTF purge port.

ISO-UNIT

Material: Black Anodized Casted Aluminium

Viewing Pipe Connections: 1″ NPT-F to 1″ NPT-F

Purge Port: 1/2″ NPT-F

Separation: Quartz Viewing Window

Pressure: 20psig

Length Appr: 3.5″ – 90mm

ISO-UNIT-SS

Material: Stainless Steel

Viewing Pipe Connections: 1″ NPT-F to 1″ NPT-F

Purge Port: 1/2″ NPT-F

Separation: Quartz Viewing Window

Pressure: 50psig

Length Appr: 3.5″ – 90mm

ISO-UNIT-HPGT

Material: Stainless Steel

Viewing Pipe Connections: 1″ NPT-F to 1″ NPT-F

Purge Port: 1/2″ NPT-F

Separation: Quartz Viewing Window (1/2″)

Pressure: 500psig

Length Appr: 3.5″ – 90mm