1.5″ NW-RF, NW-RF Series Circular Sight Glasses
This series of sight glasses are designed for attachment to stub end pipe, ANSI flanged nozzles or vessel studding outlets.
Each is rated for 150 PSIG (10.3 Barg) at 300 ºF (149 ºC) with a tempered soda lime lens and 500 ºF (260 ºC) with a borosilicate lens. Sight glasses are constructed using code materials. Optional accessories include Series PL, MSL, SLEX, REX, FBX illuminators, and Type I wipers.
Specifications
| Size | 1 1/2 in |
|---|---|
| Dimension A | 1 7/8 in |
| Dimension B | 5 in |
| Dimension C1 | 2 1/16 in |
| Approximate Weight | 7 lb |
| Connection Type | Flanged |
| Rated Pressure at 300 °F (149 °C) Temperature | |
| Rated Pressure at 500 °F (260 °C) Temperature | 150 psig |
| Lens Material | Tempered Soda Lime |
| Shape | Circular |
| Accessories | Series PL, MSL, SLEX, REX, FBX Illuminators |
1 Dimension C contains the thickness of a standard heavy hexagon nut.

