Advantage Analysis of Traditional Lighting Enterprises Entering LED Lighting
Aone-Best Balancing valves have two materials, the valves`s matreial
below DN50 is bronze and the others are ductile iron. The valve`s core is brass.
The seals are EPDM Hydraulic Valve,Balancing Valve,Hydraulic Control Valve,Hydraulic Balancing Valve A1BEST International Corporation , https://www.aone-best.com