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Flow Rate
Atomizing nozzles are available in a wide range of flow rates, all
but eliminating the need for specially calibrated nozzles. Between
1.00 GPH and 2.00 GPH, for example, seven different flow rates
are available. Generally, with hot water and warm air heat, the
smallest firing rate that will adequately heat the house on the
coldest day is the proper size to use and the most economical.
Short on-cycles result in low efficiency. Another guideline is to
select the flow rate that provides a reasonable stack temperature
regardless of the connected load. (According to the New England
Fuel Institute, aim for a stack temperature of 400°F or lower on
matched packaged units or 500°F or lower on conversion burners.)
If the boiler or furnace is undersized for the load, it may be
necessary to fire for the load and ignore the efficiency
Spray Angle
Spray angles are available from 30° through 90° in most nozzle
sizes to meet the requirements of a wide variety of burner air
patterns and combustion chambers.
Usually it is desirable to fit the spray angle to the air pattern of the
burner. In todays flame retention burner, it is possible to fire more
than one spray angle with good results. Generally, round or square
combustion chambers should be fired with 70° to 90° nozzles.
Long, narrow chambers usually require 30° to 60° spray angles.
Burner Air Patterns
Burner air patterns are much like nozzle spray patterns in that
they fall into the same general classifications, either hollow or
solid. As you would expect, a burner with a hollow air pattern
generally requires a hollow cone fuel nozzle. A burner with a solid
air pattern will give highest efficiency with a solid cone nozzle,
but the flame will probably be longer
Spray Angle
Danfoss .65-70AS
Danfoss 67L5858 Brass External Equalizer Type TR 6 Straightway Thermostatic Expansion Valve with Check Valve, 3/8" OD Solder, 3-1/2 - 4 Ton, R-22
,
- Valve have a balanced port design which reduces the influence from varying condensing pressures
- Patented built-in check valve for air conditioning and heat pumps
- Adjustable superheat setting
- Anti-hunt charge
- Robust stainless steel capillary tube and sensing bulb
- Hermetic, laser welded, non-replaceable stainless steel power head
- Factory static superheat setting 7.2 deg F
- 24" equalizer capillary tube
,
Danfoss DAN067L5858
Item#:
DAN067L5858
Manufacturer Item:
067L5858
Manufacturer:
DANFOSS LLC(HVAC/R)
Danfoss 67L5857 Brass External Equalizer Type TR 6 Straightway Thermostatic Expansion Valve with Check Valve, 3/8" OD Solder, 2-1/2 - 3 Ton, R-22
,
,
- Valve have a balanced port design which reduces the influence from varying condensing pressures
- Patented built-in check valve for air conditioning and heat pumps
- Adjustable superheat setting
- Anti-hunt charge
- Robust stainless steel capillary tube and sensing bulb
- Hermetic, laser welded, non-replaceable stainless steel power head
- Factory static superheat setting 7.2 deg F
- 24" equalizer capillary tube
,
,
Danfoss DAN067L5857
Item#:
DAN067L5857
Manufacturer Item:
067L5857
Manufacturer:
DANFOSS LLC(HVAC/R)
Danfoss HCP120T2LC6 Scroll A/C Compressor
- 10 Ton 120K BTU 460 VAC 3 PH POE R410A
- Internal inherent protection
- Compressor family series
- Model variation
- Quiet reliable operation, optimized scroll and seal design
- High efficiency motor
- Improved temperature protection
- Larger shaft bearing system
- Internal pressure protection
- New shutdown solution
- Redesigned shell
- Molded plug connectio,
Danfoss HCP120T2LC6
Item#:
HCP120T2LC6
Manufacturer Item:
120U0766
Manufacturer:
DANFOSS LLC(HVAC/R)
Danfoss HRH051U4LP6 Scroll A/C Compressor
- 4-1/4 Ton 51K BTU 230 VAC 1 PH POE
- Internal inherent protection
- Compressor family series
- Model variation
- Quiet reliable operation, optimized scroll and seal design
- High efficiency motor
- Improved temperature protection
- Larger shaft bearing system
- Internal pressure protection
- New shutdown solution
- Redesigned shell
- Molded plug connectio,
,
Danfoss HRH051U4LP6
Item#:
HRH051U4LP6
Manufacturer Item:
120U3333
Manufacturer:
DANFOSS LLC(HVAC/R)
Danfoss HRM047U1LP6A
Danfoss HRM047U1LP6A
Item#:
HRM047U1LP6A
Manufacturer Item:
120U3311
Manufacturer:
DANFOSS LLC(HVAC/R)
Danfoss HRH036U1LP6 Scroll A/C Compressor
- 5 Ton 63K BTU 230 VAC 1 PH POE
- Internal inherent protection
- Compressor family series
- Model variation
- Quiet reliable operation, optimized scroll and seal design
- High efficiency motor
- Improved temperature protection
- Larger shaft bearing system
- Internal pressure protection
- New shutdown solution
- Redesigned shell
- Molded plug connectio,
,
Danfoss HRH036U1LP6
Item#:
HRH036U1LP6
Manufacturer Item:
120U3322
Manufacturer:
DANFOSS LLC(HVAC/R)
Danfoss HRH044U4LP6 Scroll A/C Compressor
- 3-1/2 Ton 44K BTU 230 VAC 1 PH POE
- Internal inherent protection
- Compressor family series
- Model variation
- Quiet reliable operation, optimized scroll and seal design
- High efficiency motor
- Improved temperature protection
- Larger shaft bearing system
- Internal pressure protection
- New shutdown solution
- Redesigned shell
- Molded plug connectio,
,
Danfoss HRH044U4LP6
Item#:
HRH044U4LP6
Manufacturer Item:
120U3332
Manufacturer:
DANFOSS LLC(HVAC/R)