... No.: BV-8010Size range: 1/2 to 2" We supply all kinds of valves,pipe fittings and faucets.And for more ... the cities and industrial enterprise of water, heating and gas supply system, In the farmland irrigating systematized, In metallurgical production ... the cities and industrial enterprise of water, heating and gas supply system, In the farmland irrigating systematized, In metallurgical production ...