Steam & Air Traps Armstrong 1000 Series Inverted Bucket Trap (452K) Armstrong 1800 Series Inverted Bucket Trap (559K) Armstrong 200 Series Inverted Bucket Trap (664K) Armstrong 300 series inverted bucket trap (706K) Armstrong 400 Series Inverted Bucket Trap (553K) Armstrong 5000 Series Inverted Bucket Trap (576K) Armstrong 6000 Series Inverted Bucket Trap (433K) Armstrong 800-813 Series Inverted Bucket Trap (541K) Armstrong AV11 air vent (84K) Armstrong Cast Iron Air Vent (77K) Armstrong Cast Iron Float Trap 208000LBS_Hr (180K) Armstrong Cast Iron Float Trap 8900LBS_Hr (157K) Armstrong Cast Steel Float Trap 13281 LBS_Hr (86K) Armstrong Cast Steel Float Trap 280000 LBS_Hr (180K)