±0.5% ±0.5%, ±0.2% (optional) ±0.5%， ±1.0% (optional) ±1.5% ±1.5%， ±1.0% (optional) ±2.5%

2''thread, 2''flange (optional) clamp flange flange/ insertion/ tri-clamp/ wafer/ thread thread tri-clamp wafer type

DN100~DN3000 DN10~DN3000 DN15~DN200 DN15~DN600 DN200~DN1000 DN25~DN200 DN25~DN400 DN4~DN100 (male thread)， DN15~DN50 (female thread) DN4~DN80