brass body,plastic core, size:1/2" to 2" certificate: ISO9001:2000 ISO14004:2004 CE FEATURES:working temperature:0°C,120°Cthreaded : ISO228/1:2000suitable medium: domestic water,heating and air-condtioning plants,compressed air system Quality and inspection:Fegular checking on line from production in each workshop, one special inspector inspect the goods in random during the period time of ...