Armstrong WMT 1 1/2 in NPT Thermostatic Steam Trap

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

Part D500551 is the Armstrong WMT in 1 1/2 in NPT.

Model WMT specifications

• Capacities To: 1000 lb/hr (453 kg/hr)
• Maximum Allowable Pressure: 250 psig (17 bar)
• Maximum Allowable Temperature: 400°F (204°C)
• Body Material: ASTM A240 Grade 304L Stainless Steel
• Maximum Operating Pressure: 250 psig (17 bar)
• Connection Type: Screwed
• Connection Size: 1/4″ (10 mm) 3/8″ (12 mm) 1/2″ (15 mm)

Manufacturer documentation: data sheet, installation and maintenance manual.