Armstrong B7551 Mechanism Repair 300KD for 300-KD Float & Thermostatic Steam Trap

Armstrong part B7551: mechanism repair 300kd for the Armstrong 300-KD float & thermostatic steam trap (JD & KD Series).

Armstrong's JD and KD Series ultra-capacity float and thermostatic steam traps have ductile 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 300 psig.

Manufacturer documentation for the JD & KD Series: data sheet, installation and maintenance manual.