air relief valve 1.Cast DR brass body 2.Easy to operate flushing mechanism 3.An integral auxiliary relief 4.Factory air relief valveFeaturesPrevents damage to hot water systems by relieving excess pressure and temperatureCast DR brass bodyStainless steel valve seatEasy to...

safety relief valve 1.Cast DR brass body 2.Easy to operate flushing mechanism 3.An integral auxiliary relief 4.Factory safety relief valveFeaturesPrevents damage to hot water systems by relieving excess pressure and temperatureCast DR brass bodyStainless steel valve...

pressure relief valve 1.Cast DR brass body 2.Easy to operate flushing mechanism 3.An integral auxiliary relief 4.Factory pressure relief valveFeaturesPrevents damage to hot water systems by relieving excess pressure and temperatureCast DR brass bodyStainless steel valve...

pressure relief valve 1.Cast DR brass body 2.Easy to operate flushing mechanism 3.An integral auxiliary relief 4.Factory pressure relief valveFeaturesPrevents damage to hot water systems by relieving excess pressure and temperatureCast DR brass bodyStainless steel valve...

vacuum tube we have 15years experience to produce vacuum tube manufacturer for more than 14years CE,CCC,ISO certificate.  vacuum tube2,graceful appearance long service life and non pollution3,the evacuated tube with superconductive heat pipe is the most advanced product...

vacuum tube 1).High borosilicate 3.3glass. 2).the life can lasts 15years. 3).best price with high quality vacuum tubeSpecifications: 1) Water tank (interior): SUS304-2B food grade stainless steel2) mainfold : aluminum alloy 3) Glass tube: new trivalent element heat tube4)...

solar vacuum tube High borosilicate 3.3glass.the life can lasts 15years. Manufacturer for more than 14years. solar vacuum...

solar water heater parts 1.Lifetime:15years 2.CE,CCC,ISO certification 3.Deliver time:within 10-15days solar water heater parts...

glass tube 1.High borosilicate 3.3glass.the life can lasts 15years. 2.Manufacturer for more than 14years. 3.CE,CCC,ISO glass...

glass vacuum tube Manufacturer for more than 14years. CE,CCC,ISO certificate Life:15years glass vacuum tubeWorking all the year round regardless of the weather.Manufacturer for more than 14years.CE,CCC,ISO certificateLife:15years1,the pipes are made of advavced superconductive...