Armstrong WT-1 1 1/2 in NPT Thermostatic Steam Trap

Armstrong WT Series: thermostatic steam trap from Armstrong International. See the manufacturer documentation linked below for specifications.

Part D15977 is the Armstrong WT-1 in 1 1/2 in NPT.

Model WT-1 specifications

• Capacities To: 1600 lb/hr (726 kg/hr)
• Maximum Allowable Pressure: 400 psig (28 bar)
• Maximum Allowable Temperature: 650°F (343°C)
• Body Material: ASTM A-240 -304L Stainless Steel
• Maximum Operating Pressure: 400 psig (28 bar)
• Connection Type: 2-Bolt, Screwed, Socketweld
• Connection Size: 1/2″ (15 mm) 3/4″ (20 mm)

Manufacturer documentation: data sheet, installation and maintenance manual.