Type：micro resistance slowly-closing

Nominal Size：NPS2～NPS56

Pressure Grade：Class150～Class300

Working Temperature：-29℃～200℃

Body Material: Carbon steel,Stainless steel,cast iron

Design standard：AWWA C508，CJ/T 154, GB/T13932,GB/T12236

Connection：RF,WAFER,LUG

Operating：Auto

Medium：Urban water, industrial water