Armstrong 4011 3/4 in NPT Inverted Bucket Steam Trap

Armstrong 4000 Series: inverted bucket steam trap from Armstrong International. See the manufacturer documentation linked below for specifications.

Part D688969 is the Armstrong 4011 in 3/4 in NPT.

Model 4011 specifications

• Maximum Capacity: 1300 lb/hr (590 kg/hr)
• Maximum Allowable Pressure: 400 psig @ 800°F (28 bar @ 427°C)
• Maximum Allowable Temperature: 800°F (427°C)
• Body Material: ASTM A240 Grade 304L Stainless Steel
• Maximum Operating Pressure: 400 psig (28 bar)
• Connection Type: 4-Bolt, Screwed, Socketweld, Flanged
• Connection Size: 3/4″ (20 mm) 1″ (25 mm)

Manufacturer documentation: data sheet.