Armstrong 811 BVSW 3/4 in NPT Inverted Bucket Steam Trap, 5/32 in orifice

Armstrong BVSW Series: inverted bucket steam trap from Armstrong International. See the manufacturer documentation linked below for specifications.

Part D591660 is the Armstrong 811 BVSW in 3/4 in NPT with a 5/32 in orifice.

Model 811 BVSW specifications

• Maximum Capacity: 7,000 lb/hr (3,175 kg/hr)
• Maximum Allowable Pressure: 250 psig @ 450°F (17 bar @ 232°C)
• Body Material: ASTM A48 Class 30 Cast Iron
• Connection Type: Screwed Flanged PN40 or PN100
• Connection Sizes: 1/2″ (15 mm) 3/4″ (20 mm) 1″ (25 mm)

Manufacturer documentation: data sheet, installation and maintenance manual.