1.Nominal pressure:PN16～PN400/Class150～Class2500
2.Nominal diameter:DN15～1200 mm/NPS 1/2～NPS48
3.Applicable temperature:
Low-temperature type(-196～-29℃)、
normal-temperature type(-29～ 250℃)、
Normal-temperature type( 250～ 425℃)、
and high-temperature type( 425～ 600℃).
4.Applicable medium:Water,steam,oil, gas,etc
5.Bonnet form:
standard type(-29～ 250℃)、
medium-high temperature(heat sink)type( 250～ 600℃)
Low-temperature(extended)type(-100～-29℃)、
ultralow temperature(extended)type(-196～-100℃)
6.Leakage level of valve:
Level V for hard seal，Level VI for soft seal (Level VI hard seal shall be ordered specifically符合GB/T4213和ANSI/FCI70-2标准 As per GB/T4213 and ANSI/FCI70-2.
7.Opxional driving forms:
pneumatic,electric,electro-hydraulic,manual,etc.
