Catalog: Heating
Company/Brand: Duff Company
pressure safety valve in Heating by Duff Company
jacket 3/4 boiler drain asme relief valve 30 lb 1 1/4 circulator wired and piped ... automatic redundant combination gas valve 24v with pilot filter switches one ... deluxe baked enamel steel jacket steam pressure gauge 3/4 boiler drain asme pop safety ... valve set for r15 psi pa-404a pressure-trol one piece cast iron burners gauge glass ...
l8148a honeywell at140c flame rollout safety vacuum switch for proven air flow ... combination pressure/temperature gauge 1 1/4 circulator ... isolation flanges asme relief valve 30 lb complete installed and wired gas ...
oil burner with cad cell oil solenoid valves r8184g primary control mounted tankless ... gauge with trimmings asme 3/4 pop safety valve silicone sealant boiler drain ... draft regulator pa-404a pressure trol l-4006a aquastat steam gauge low ... tankless coil combination temperature pressure gauge boiler drain asme relief valve ...
glass 7 draft regulator asme relief valve model fig no 41285 80806 41286 74974 ... insulation combination temperature pressure gauge asme relief valve high limit ... supply manifold for mounting controls safety disconnect burner plug for front door ...
external push button reset after safety shutdown includes solid state flame ... .0 amps 120 v fig no 10041 10042 10044 safety timing thermostat circuit r8184g4009 45 ... and fan relay operation mfg no safety timing thermostat price circuit ... 45 seconds 24v fig no 66926 solenoid safety delayed oil valves designed to prevent ... operating speed and pump to attain full pressure assuring complete atomization and ... oil oil flow capacity 35 pgh maximum pressure 300 psi cad cell flame detector light ... insulation thickness use for zone valve control or utilize zc zr terminals ... on 5 armored capillary use of zone valve control or utilize zc zr terminals ...
heating vr8304 duff co honeywell gas valves vr8305 dual valve combination gas ... 36e36 -38 36c68 robertshaw 7200der same valve action and features as vr8304 but ... 415,000 gas natural vr8300 compact dual valve combinaiton gas control for standing ... applicances wall heaters etc meets ansi safety standars requireing dual-seated or ... 30,000 to 300,000 gas natural dual valve combination gas control for electronic ... 38 robertshaw 7100der solenoid operated valve operates on an off with thermostat call ... diaphragm operated valve opens under regulatr control closes if ... ignition this compact high capacity valve can be used to replace hundres of gas ... valves used in intermittent pilot hot surface ... ideal for service inventory the vr8345 valve fits even limited space applications ... ,000 to 300,000 gas natural vr8205 dual valve combination gas control for electronic ...
duff co watts relief valves heating watts 374a special pressure hot ... water boiler relief valve 3/4 only 550,000 btu watts 530 ... calibrated pressure relief valve calibrated adjustment feature for ... setting valve to relief pressure adjustable range 50-175 lbs all brass ... as by-pass thermal expansion relief valve 3/4 fig no 3842 price fig no 3774 ... asme rated self-closing t&p relief valve for water heaters up to 100,000 btu/hr ... extends the effective life of the valve of overcoming problems created by ... thermostat male inlet and female outlet pressure range 75-150 lbs standard setting 150 ... 340 a.s.m.e rated ansi z21.22 relief valves and automatic gas shut-off devices ... i temperature relief 210of standard pressure settings 75 100 125 and 150 lbs for gas ... body construction back=up emergency safety fuse plug vacuum relief valve vent in ...
duff co watts 174a a.s.m.e water pressure safety relief valve bronze body safety ... relief valves for pressure protection only of all types of hot ... water heating boiler equipment pressure range 30 to 150 lbs with corresponding ... 970,000 12,170,000 14,370,000 2 relief valves heating 30 psi fig price no 3/4 37414 ... 3838 3840 price watts 740 iron body safety relief valves with expanded outlets for ... hot water space heating boilers pressure range 3-75 lbs with corresponding high ... btu rating size for size than other valves on the market female inlet and outlet ...
6000 series duff co steam and water safety valves kunkle 252 series models 252-253 ... 6010-6021 6030 6221 6230 6238 fbf-fba pressure limits steam to 250 psig 406of air/gas ... intercoolers and after coolers pressure vessels containing steam air or ... receivers sterilizers and autoclaves pressure limits 250 psig 406of applications ... steam boilers and generators pressure reducing stations air/gas compressors ... reciprocating or rotary pressure vessels including tanks receivers ... those hard to get settings kunkle pop safety valve liquid 0-300 psi 3/4 to 4 ... now for your special pricing kunkle pop safety valve stainless steel for corrosive ... call now for your pricing kunkle pop safety valve high pressure liquid gas vapor ...
duff co no 1-a air valve a float-type vent with adjustable port ... 1 slow to 6 fast venting operating pressure up to 1 1/2 psi max pressure 10 tem not ... psi ing 1/8 angle hoffman air valve heating no 40 steamair valve a float- ... ventno 500 steam or water air valve for convectors and radiators a disc- ... type vent with built-in check valve for automatic venting can be taken ... from lime.1/8 straight shank max steam pressure 15 psi fig no fig no fig no 7619 price ... single non-adjustable no 4 quick steam valve port for relieving air from ... operating no 74 steam unit heater air valve only does not close against water ... must be at least 18 above the 38697 pressure operating pressure up to 35 psi boiler ... press 25 psi no 78 water main vent valve designed fig no price for use on high ...
heating type r adjustable relief valve recommended for unloading operatings on ... lines used for pump bypass relief back pressure relief open tank discharging and pump ... should not be used as emergency or safety relief valve found in the following ... 47315 47317 47319 47321 47323 relief valves duff co style b pressure regulating ... valve tight closing for dead end service for ... for processing lines or wherever low-pressure equipment is subject to high-pressure ... cast iron body for 3 to 8 balanced pressure regulator insuring accurate control ... even when incoming pressure fluctuates size 1 1/4 1 1/2 2 2 1/2 3 4 ...
lv e 1/8m x 1/4 o d low pressu re steam safetyrelief va lv e size 3/4 1 1 1/4 1 1/2 2 fig no ... rh lh 65576 65577 asme rated steam safety relief valves up to 450 lbs/hr for low ... pressure steam heating equipment up to 15 lbs ... with lower setting such as 8 lbs for pressure cooker requirements but are not asme ...
heating fusible valves duff co straight female pipe 3/8 fip ... price 3/4 fip fig no 51437 price angle valve 3/8 od flare x 1/4 m fig no 51171 price ... fl x 1/2 od fl fig no 32327 price oil safety valve not fusible 3/8 fip relieves ... pressure strain on fuel pump inlets prevents ... accidental line breakage fem ip check valve spring loaded 3/8 fip x 3/4 fip fig no ... 32328 fig no 32330 price flare check valve spring loaded 3/8 id fl x 3/8 od fl fig ... which have from 0 to 60 psi supply line pressure on the inlet side of the valve but ... on the outlet 3/8 fip side of he valve fig no price 48474 for the fuel to 1/2 ... direct coupled to the motor a check valve and combination vacuum/pressure gauge ...
