Armstrong M12 3 in NPT Float & Thermostatic Steam Trap, 250 PSIG PMO

Armstrong's L and M Series ultra-capacity float and thermostatic steam traps have cast iron bodies with stainless steel floats, valves, seats and lever mechanisms. The integral balanced-pressure phosphor-bronze bellows air vent, caged in stainless steel, follows the steam pressure-temperature curve from 0 to 250 psig.

Part D502277 is the Armstrong M12 in 3 in NPT, rated 250 psig maximum operating pressure.

Model M12 specifications

• Maximum Capacity: 208,000 lb/hr (94,348 kg/hr)
• Maximum Allowable Pressure: 250 psig (17 bar)
• Maximum Allowable Temperature: 450°F (232°C)
• Body Material: ASTM A48 Class 30 Cast Iron
• Maximum Operating Pressure (Saturated Steam): 250 psig (17 bar)
• Connection Type: Screwed, Flanged
• Connection Size: 3″ (80 mm)
• Flow Direction: Horizontal

Manufacturer documentation: data sheet, installation and maintenance manual.