Armstrong 881 3/4 in NPT Inverted Bucket Steam Trap, 15 PSIG PMO

Armstrong's 880 Series inverted bucket steam traps are cast iron traps for horizontal installation with an integral strainer, continuous air venting at steam temperature, a free-floating stainless steel mechanism and a discharge orifice at the top of the trap.

Part C5297-53 is the Armstrong 881 in 3/4 in NPT, rated 15 psig maximum operating pressure.

Model 881 specifications

• Maximum Capacity: 1,050 lb/hr (476 kg/hr)
• Maximum Allowable Pressure: 250 psig @ 450°F (17 bar @ 232°C)
• Maximum Operating Pressure: 250 psig (17 bar)
• Connection Type: Screwed NPT and BSPT
• Connection Size: 1/2″ (15 mm) 3/4″ (20 mm) 1″ (25 mm)

Manufacturer documentation: data sheet, installation and maintenance manual.