Armstrong FF-4250 Float & Thermostatic Steam Trap

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

Part D6676 is the Armstrong FF-4250.

Model FF-4250 specifications

• Maximum Capacity: 420 lb/hr (191 kg/hr)
• Maximum Allowable Pressure: 300 psig (21 bar)
• Maximum Allowable Temperature: 650°F (343°C)
• Body Material: ASTM A240 Grade 304L Stainless Steel
• Maximum Operating Pressure: 250 psig (17 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.