Gradual wear slightly increases the diameter of the seat and alters the shape and diameter of the valve.
Armstrong inverted bucket steam trap.
A unique leverage system multiplies the force provided by the bucket to open the valve against system pressure.
The most reliable steam trap known the inverted bucket provides efficient condensate drainage of virtually all types of steam using equipment.
Armstrong 300 series inverted bucket steam traps forged carbon steel for vertical installation for pressures to 650 psig 45 bar capacities to 20 000 lb hr 9072 kg hr.
S product pages 3.
Armstrong 200 series cast iron inverted bucket steam traps for pressures to 250 psig 17 bar capacities to 20 000 lb hr 9072 kg hr.
Installation and testing of armstrong steam traps cg 46 steam traps section 1.
Put the inverted bucket to work in a tough cast iron package and you have the best of both worlds.
But as this occurs a tight seal is still preserved the ball merely seats itself more deeply.
Recommended locations are given in fig.
An armstrong inverted bucket steam trap continues to operate efficiently with use.
Armstrong 814 816 series inverted bucket steam traps cast iron pressures to 250 psig 17 bar capacities to 20 000 lb hr 9072 kg hr.