Armstrong FF-4450 Float & Thermostatic Steam Trap

Armstrong FF-4000 Series: float & thermostatic steam trap from Armstrong International. See the manufacturer documentation linked below for specifications.

Part D8179 is the Armstrong FF-4450.

Model FF-4450 specifications

• Maximum Capacity: 1,050 lb/hr (476 kg/hr)
• Maximum Allowable Pressure: 600 psig (41 bar)
• Maximum Allowable Temperature: 800°F (427°C)
• Body Material: ASTM A240 Grade 304L Stainless Steel
• Maximum Operating Pressure: 450 psig (31 bar)
• Connection Type: 2-Bolt, Screwed, Socketweld, Flanged
• Connection Size: 1/2″ (15 mm) 3/4″ (20 mm)

Manufacturer documentation: data sheet, installation and maintenance manual.