... looking, long service It is double female thread plastic ball valve, available size: 20mm, 25mm, 32mm.“Seher” PP-R ... can be used in pure water supply system.2, Heat-proof: the max temperature of water can reach 95 Celcius degree ... pipe’s, effective in heat preservation and energy conservation of hot water pipe.5, Light, high pressure resistance: the ... or longer. double female thread plastic ball valve