Catalog: Heating
Company/Brand: Duff Company
2 in 1 water taps in Heating by Duff Company
to the benefits of the extrol system includes a built-in valve and check valve for ... reducing supply water pressure and maintaining minimum system ... maximum working pressure 100psig maximum operating temperature 240of 1/2 ... fpt fig no 8525 8530 8771 8772 model 109 110 111 112 total vol gals 4.4 7.6 14 ... accept vol gals 1 2.5 2.5 11.5 diameter ins 8 11 11 15 3/8 length 14 3 ... /4 17 3/4 24 5/16 23 price filltrol combination package with ... purger required max working pressure 100 psig maximum operating pressure 240of ... fig no model purger price size 60870 109 1 60871 109 1 1/4 60872 110 1 60873 ...
couplers temperature range 40of to 240of working pressure up to 60 psig fig no ... connectors working pressure for 1/2 55 psig for 3/4 40 psig test pressure ... 150 psig 9 copper tube-8 flex-2 copper tube fig no 8781 8782 nominal ... copper tube sizes 8480 8487 8490 3/4 1 1 1/4 5 5 7/16 5 3/4 7 1/2 8 8 1/2 1 3/8 ... 1 5/8 1 7/8 copper tube size 1/2 3/4 price nominal female pipe sizes ... 8495 8499 8504 3/4 1 1 1/4 7 3/16 8 1/8 8 3/8 9 1/4 10 3/16 10 1/2 1 3/8 1 11 ... /16 2 fig no size balancers bronze maximum ... working pressure=125 psig maximum operating temperature ... 250of length height price tank fittings for ...
adjusts maintains and limits the hot water temperature to a desired setting ... selected by the user in domestic applications it makes the use ... of hot water safe and saves money applications ... domestic water space heating radiant floor heating ... systems heat pump systems solar hot water nursing homes greenhouses public ... facilities industrial applications photo processing fig no ... 48925 59768 59769 59770 connection size 1/2 npt 3/4 npt 1 npt 1/2 npt 3/4 ... npt 1 npt 1/2 npt 3/4 npt 1 npt flow at 22psi pres sure drop 8 gpm ... 10 gpm 12 gpm 8 gpm 10 gpm 12 gpm 8 gpm 10 gpm 12 gpm temp range 110- ... 145of 43-63oc 90-120of 32-49oc 70-100of 21-37oc heating great replacement for watts 70a ...
duff co no 1-a air valve a float-type vent with ... venting port settings from 1 slow to 6 fast venting operating ... pressure up to 1 1/2 psi max pressure 10 tem not requiring psi ing 1/8 angle ... sysproportional ventno 500 steam or water air valve for convectors and radiators ... a disc-type vent with built-in check valve for automatic venting can ... for cleaning without removing from lime.1/8 straight shank max steam pressure 15 ... tems and process equipment systems 1/2 female x operates on temperature ... air valve only does not close against water float-type vent with single ... designed for use quick vent must be installed on a nipwith steam unit heaters vents ... air when ple 6 to 10 above horizontal return fig no price ...
co heating mcdonnel miller make-up water feeder for boiler feeder cut-off ... feeding capacity than connections model 21 ers up to 5000 sf model 47-2 #8840 for ... steam and hot water fig no price boilers model 51-2 fig no ... price make-up water feeder for low pressure steam boilers ... float operated integral strainer monel seat maximum water ... supply pressure 100psig maximum boiler pressure 25 psig model ... 25a feeder cut-off combination for higher ... service up to 75 lbs for steam and hot water model 53-2 8840 20050 fig no price fig ... no price fig no price 8850 8856 25697 low water fuel cut-off for low pressure ... steam boilers for quick hook-up in gauge glass tappings model 67 low water ... fuel cut-off for 1 equalizing pipe installation on low pressure steam boilers model 61 ...
thermocouple tester see page 732 for water finding paste for quick testing of ... thermocouple output provides visual indication of proper thermocouple operation fig no ... 66260 size 18 24 36 fig no 16852 16858 16864 price price size 9 ft 14 ft fig ... no 25678 29220 price thermostat cable with plastic ... jacket self tapping boiler plugs size 1/4 5/16 3/8 7/16 fig no 16799 16804 ... 16812 16817 price size 18-2 18-3 18-4 18-5 18-6 fig no 8838 8845 8864 8865 8867 ... pipe size fig no price ace boiler plug 1/2 3/4 1 1 1/4 1 1/2 2 16879 16884 16886 ... 16894 16899 21354 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 16908 16909 16914 16915 ...
duff co duff quiz 1 how many british thermal units btu s ... are required to raise one pound of water 1 degree fahrenheit a 212 b 100 c 1 d ... 513 2 a b c d 3 a b c d one cubic foot of ... water weighs 1 lb 8.33 lbs 7.48 lbs 62.4 lbs one ... gallon of water weighs 1 lb 8.33 lbs 7.48 lbs 62.4 lbs 5 how ... many btu s are in 1 kilowatthour a 212 b 3,412 c 1,000 d 62.4 6 if you mix 180 ... -degree hot water with 40-degree cold water to obtain 140-degree tempered water ... what percentage of the mixed water is hot water a 88.3 b 71.5 c 75.2 d 50. ... 7 if you have a storage tank that is 30 inches in diameter by 60 inches high how many ... gallons of water will the storage tank hold a 183.62 v=3 ...
