Series NW-BW-1 1/2
1-1/2″ ANSI B165 weld neck style sight glasses are designed for welding to a stub end pipe or may be supplied with a cut radius on the weld neck to straddle the side of a pipe. Each is rated for 150PSIG (10.3 Barg) at 300ºF (149ºC) with a tempered soda lime lens and 500ºF (260ºC) with a borosilicate lens.
Sight glass flanges are constructed using code materials. Optional accessories include Series PL, MSL, SLEX, REX, FBX illuminators, and Type I wipers.
Specifications
| Dimension A | 1 in (25 mm) |
|---|---|
| Dimension B | 5 in (127 mm) |
| Dimension C1 | 3 3/4 in (95 mm) |
| Approximate Weight | 9 lb (4 kg) |
| Connection Type | Buttweld |
| Rated Pressure at 300 °F (149 °C) Temperature | 150 psig 10.3 Barg |
| Rated Pressure at 500 °F (260 °C) Temperature | 150 psig 10.3 Barg |
| Lens Material | Tempered Soda Lime, Borosilicate Glass |
| Shape | Circular |
| Accessories | Series PL, MSL, SLEX, REX, FBX Illuminators, Type I Wiper |
Notes: 1 Dimension C contains the thickness of a standard heavy hexagon nut.