Watts 0121339 Valve 340155 7026 the Armstrong International 800 3 4 150 Trap the Armstrong International 800 3 4 150 Trap is a heavy duty cast iron inverted bucket steam trap designed for horizontal installation in steam intensive environments these OEM Sensus regulator parts provide the tight shutoff and fast response times necessary for precise fuel air mixing in demanding boiler rooms and manufacturing environments 000 BTU capacity with ASME Section IV and CSA domestic listings Key benefit list: Dual Protection Safety: Provides integrated temperature and pressure relief to prevent system failure in storage tanks and heaters