We can produce solder ring copper fittings according to EN1254-1 and ASME B16.22 . The EN1254-1 standard solder ring fittings are all approved WRAS already including Copper Reducing Coupling F x F.
EN1254-1 Solder Ring Copper Fitting En1254-1 Solder Ring Copper Fitting,Elbow Copper Pipe Fittings,Elbow Copper Fittings,Elbow Copper Connector Fitting Linhai Yongsheng Pipe Co.,Ltd , http://www.yspipefitting.com
HFO-1234ze is non-flammable, ozone-depleting, and has a global warming potential (GWP) of only 6, and can replace HFC-134a and HFC in aerosol and insulating foam materials (including extruded polystyrene panels) applications -152a, while being considered to replace HFC-134a in large stationary refrigeration applications.
The Reducing Copper Tee F x F x F is similar lile Copper Equal Tee .They are all produced according to EN1254-1 standard .And are all solder ring type.some famous brand also buy copper fittings from us.
On July 6, Honeywell announced that it will invest US$33 million in its Baton Rouge plant in Louisiana, USA, to enable it to commercialize HFO-1234ze from the end of 2013 to meet customers’ needs. "Energy-efficient, safe, economical and greener than existing materials" Honeywell's solution needs.