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Lunkenheimer Y Slow-Opening Blowdown Valves

Additional Information

Lunkenheimer Fig. 180 ''Y" Blow-off valves conform to the ASME Boiler Code and are suitable for boiler service up to 80% of valve working steam pressure. They provide approximate flow and drainage of a gate valve and may be used as such on other ser­vices such as throttling and fine regulation. 

 

 

  • Bodies and bonnets ASTM B61 type-S-1 steam bronze. 
  • Seat opening permits almost unrestricted flow. 
  • Cylindrical guides insure proper disc seating.
  • Union Bonnet: Assures strong, pressure-tight connections, facil­itates cleaning and inspection.
  • Discs and seat rings: Regrindable, renewable. NT4 nickel alloy.
  • Back seats: Repackable when disc is wide open under pressure.