Instruction d'utilisation Bryan Boilers DR850-W-FDGO

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Form No. 3710
(Rev. 6/04)
Bryan “Flexible Water Tube”
DR Series
Steam & Water Boilers
250,000 to 850,000 BTUH
Forced Draft Gas, Oil or Dual Fuel Fired
Water Boiler
DR850-W-FDGO
Steam Boiler
DR350-S150-FDG
Originators of the “Flexible Water Tube” design

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Low initial cost, high operating efficiency deliver substantial return on investment • True “flexible water E tube” design L  High quality steam for A heat or process J  Pressurized firing for I F high efficiency A. Water side or steam side interior accessible for cleanout and inspection, front and rear openings, up- B M per and lower drums. C B. Large volume water leg downcomers promote rapid G K internal circulation, temperature equalization and effi- cient heat transfer. D C. Boiler tube a

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Guaranteed high efficiency performance and easy maintenance insure low cost operation All Bryan DR Series boilers offer these operating and performance features Guaranteed efficiency DR Series boiler occupies very little space in the boiler room. This can result in considerable savings in building The breakthrough in water tube boiler design that produced costs. Pressurized firing permits minimum sized breach- the DR Series provides operating efficiency so reliable, ing and vent. we guarantee it

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Bryan DR Series Steam & Hot Water Boilers STEAM BOILER DIMENSIONS in inches (cm) A B C D E F G H I J K L Boiler Floor to Width Length Height Gas Train Supply Nozzle Min. Tube Clearance Model Overall Return Flue Flue Flow Outside of Over Connection Removal for Servicing Number Length Conn. Size Location 15 psi 150 psi Nozzle Jacket Jacket Jacket (Approx.) Clearance Burner 1 5 13 3 3 13 62 /8 74 /8 33 /16 32 /8 71 /4 1 3 2 6 12 /16 24 30 NA** DR250-S* (157.80) (189.54) (85.88) (82