Series NW-BW-1
This series of sight glasses Is 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°F (149°C) with a tempered soda lime lens and 500°F (260°C) with a borosilicate lens
Sight glasses are constructed using code materials. Optional accessories include Series PL, WSL. SLEX. REX. FBX Illuminators. and Type I wipers.
Specifications
| Dimension A | 1 in (25 mm) |
|---|---|
| Dimension B | 4 1/4 in (108 mm) |
| Dimension C1 | 3 1/4 in (83 mm) |
| Approximate Weight | 6 lb (3 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.
1″ ANSI 150# B16.5 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.